Fluoropolyether group-containing oxyalkyleneamide compounds

Abstract

To provide an article with a surface treatment layer that has improved friction durability.SOLUTION: The present disclosure provides a component (B): a fluoropolyether group-containing oxyalkylene amide compound represented by formula (B1) or (B2) (each symbol in the formulas being as described in the specification).SELECTED DRAWING: None

Description

[Technical Field]

[0001] This disclosure relates to fluoropolyether group-containing oxyalkyleneamide compounds and surface treatment agents containing such compounds. [Background technology]

[0002] Certain fluoropolyether group-containing silane compounds are known to provide excellent water repellency, oil repellency, and stain resistance when used for surface treatment of substrates. Layers obtained from surface treatment agents containing fluoropolyether group-containing silane compounds (hereinafter also referred to as "surface treatment layers") are applied as so-called functional thin films to a wide variety of substrates, such as glass, plastics, fibers, sanitary products, and building materials (Patent Document 1). [Prior art documents] [Patent Documents]

[0003] [Patent Document 1] Japanese Patent Publication No. 2014-218639 [Overview of the project] [Problems that the invention aims to solve]

[0004] While the fluoropolyether group-containing silane compound described in Patent Document 1 can provide a surface treatment layer with excellent functionality, there is a need for a surface treatment layer with even higher friction resistance.

[0005] This disclosure aims to provide articles having a surface treatment layer with higher friction resistance. [Means for solving the problem]

[0006] This disclosure includes the following aspects: [1] Component (B): Formula (B1) or (B2): [ka] [In formula: R FB1 is Rf 1 -R F -O q - and R FB2 is -Rf 2 p -R F -O q - and R F are each independently a divalent fluoropolyether group, Rf 1 is a C alkyl group which may be substituted by one or more fluorine atoms, 1-16 Rf 2 is a C alkylene group which may be substituted by one or more fluorine atoms, 1-6 p is 0 or 1, q is each independently 0 or 1, X B are each independently a single bond or a divalent group, R B1 are each independently an oxyalkylene-containing group, R B2 are each independently a hydrogen atom, an oxyalkylene-containing group, or a monovalent hydrocarbon group.] A fluoropolyether group-containing oxyalkylene amide compound represented by. [2] R B2 are each independently an oxyalkylene-containing group or a monovalent hydrocarbon group, the fluoropolyether group-containing oxyalkylene amide compound according to claim 1. [3] R B2 are each independently an oxyalkylene-containing group, the fluoropolyether group-containing oxyalkylene amide compound according to claim 1 or 2. [4] The oxyalkylene-containing group is each independently represented by the following formula: -R 61 -(OR 63 ) b3 -R 62 or ​​-X E (-R 61 -(OR 63 ) b3 -R 62 ) r2 [In formula: R 61 Each of these is independently a single bond, or C 1-6 It is an alkylene group, R 62 These are, independently, hydrogen atoms and C 1-6 Alkyl alkyl group, or C 1-6 It is an alkoxy group, R 63 Each of them is independent of C 1-6 It is an alkylene group, b3 are each an independent integer between 1 and 6. X E It is a 3-10 valent group, r² is an integer between 2 and 9, and X E It is 1 less than the valence of [the variable]. A fluoropolyether group-containing oxyalkyleneamide compound according to any one of claims 1 to 3, wherein the group is represented by . [5] Each of the oxyalkylene-containing groups is independently represented by the following formula: -R 61 -(OR 63 ) b3 -R 62 [In formula: R 61 is a single bond, or C 1-6 It is an alkylene group, R 62 C is a hydrogen atom. 1-6 Alkyl alkyl group, or C 1-6 It is an alkoxy group, R 63 Each of them is independent of C 1-6 It is an alkylene group, b3 is an integer between 1 and 6. A fluoropolyether group-containing oxyalkyleneamide compound according to any one of claims 1 to 4, wherein the group is represented by . [6] R 63 C 1-3The oxyalkylene amide compound containing a fluoropolyether group according to claim 4 or 5, wherein the alkylene group is an alkylene group. [7] X B These are, independently, single bonds, or -(R 67 ) b1 -(R 68 ) b2 - [In formula: R 67 Each of them is independent of C 1-6 It is an alkylene group, R 68 These are, independently, an oxygen atom, a sulfur atom, CO, and NR. 69 CONR 69 , NR 69 CO, or C 6-12 It is an arylene group, R 69 Each of these is independently a hydrogen atom, or C 1-6 It is an alkyl group, b1 is an integer between 0 and 6. b2 is an integer between 0 and 6. The sum of b1 and b2 is 1 or greater. The order in which each repeating unit, denoted by b1 or b2 and enclosed in parentheses, exists is arbitrary within the expression. The fluoropolyether group-containing oxyalkyleneamide compound according to any one of claims 1 to 6. [8] X B Each of them is independently a single bond, C 1-6 Alkylene group, or -R 64 -OR 65 -and, R 64 is a single bond, or C 1-6 It is an alkylene group, R 65 is a single bond, or C 1-6 It is an alkylene group. A fluoropolyether group-containing oxyalkyleneamide compound according to any one of claims 1 to 7. [9] R F Each is independent of the formula: -(OC6F 12 )a -(OC5F 10 ) b -(OC4F8) c -(OC3R Fa 6) d -(OC2F4) e -(OCF2) f - [where: R Fa is, independently of each other, a hydrogen atom, a fluorine atom or a chlorine atom, a, b, c, d, e and f are, independently of each other, integers from 0 to 200, and the sum of a, b, c, d, e and f is 1 or more, and the order of existence of each repeating unit enclosed in parentheses with a, b, c, d, e or f is arbitrary in the formula, provided that when all R Fa is a hydrogen atom or a chlorine atom, at least one of a, b, c, e and f is 1 or more.] a group represented by the formula, the fluoropolyether group-containing oxyalkylene amide compound according to any one of claims 1 to 8.

[10] Rf 1 is a C 1-16 perfluoroalkyl group, Rf 2 is a C 1-6 perfluoroalkylene group, R F is, independently of each other, of the formula: -(OC6F 12 ) a -(OC5F 10 ) b -(OC4F8) c -(OC3F6) d -(OC2F4) e -(OCF2) f - [where: a, b, c, d, e and f are, independently of each other, integers from 0 to 200, and the sum of a, b, c, d, e and f is 1 or more, and the order of existence of each repeating unit enclosed in parentheses with a, b, c, d, e or f is arbitrary in the formula, provided that when all R FaIf is a hydrogen atom or a chlorine atom, then at least one of a, b, c, e, and f is 1 or more. A fluoropolyether group-containing oxyalkyleneamide compound according to any one of claims 1 to 9, wherein the group is represented by .

[11] R F These are, independently, expressed in the following equations (f1), (f2), (f3), (f4), (f5), or (f6): -(OC3F6) d -(OC2F4) e - (f1) [In the formula, d is an integer between 1 and 200, and e is either 0 or 1.] -(OC4F8) c -(OC3F6) d -(OC2F4) e -(OCF2) f - (f2) [In the formula, c and d are each independent integers between 0 and 30.] e and f are independent integers between 1 and 200. The sum of c, d, e, and f is an integer between 10 and 200. The order of existence of each repeating unit, denoted by c, d, e, or f and enclosed in parentheses, is arbitrary within the expression. -(R 6 -R 7 ) g - (f3) [In the formula, R 6 This is OCF2 or OC2F4, R 7 OC2F4, OC3F6, OC4F8, OC5F 10 and OC6F 12 It is a group selected from these groups, or a combination of two or three groups selected from these groups. g is an integer between 2 and 100. -(R 6 -R 7 ) g -R r -(R 7’ -R 6’ ) g’ - (f4) [In the formula, R6 This is OCF2 or OC2F4, R 7 OC2F4, OC3F6, OC4F8, OC5F 10 and OC6F 12 It is a group selected from these groups, or a combination of two or three groups selected independently from these groups. R 6’ This is OCF2 or OC2F4, R 7’ OC2F4, OC3F6, OC4F8, OC5F 10 and OC6F 12 It is a group selected from these groups, or a combination of two or three groups selected independently from these groups. g is an integer between 2 and 100. g' is an integer between 2 and 100. R r teeth, [ka] (In the formula, * indicates the bonding position.) That is the case. -(OC6F 12 ) a -(OC5F 10 ) b -(OC4F8) c -(OC3F6) d -(OC2F4) e -(OCF2) f - (f5) [In the formula, e is an integer between 1 and 200, a, b, c, d, and f are each independent integers between 0 and 200, and the order of existence of each repeating unit enclosed in parentheses with a, b, c, d, e, or f is arbitrary in the formula.] -(OC6F 12 ) a -(OC5F 10 ) b -(OC4F8) c -(OC3F6) d -(OC2F4) e -(OCF2) f - (f6) [In the formula, f is an integer between 1 and 200, a, b, c, d, and e are each independent integers between 0 and 200, and the order of existence of each repeating unit enclosed in parentheses with a, b, c, d, e, or f is arbitrary in the formula.] A fluoropolyether group-containing oxyalkyleneamide compound according to any one of claims 1 to 11, wherein the group is represented by .

[12] Component (A): Fluoropolyether group-containing silane compound, and Component (B): Fluoropolyether group-containing oxyalkylene amide compound according to any one of claims 1 to 11 A surface treatment agent containing [this ingredient].

[13] The fluoropolyether group-containing silane compound is defined by the following formula (A1) or (A2): [ka] [In formula: R FA1 Each of them is independent of Rf 1 -R F -O q -and, R FA2 -Rf 2 p -R F -O q -and, R F These are, independently, divalent fluoropolyether groups, Rf 1 C may be substituted with one or more fluorine atoms. 1-16 It is an alkyl group, Rf 2 C may be substituted with one or more fluorine atoms. 1-6 It is an alkylene group, p is either 0 or 1, q is either 0 or 1, independently of each other. R Si Each of these is independently a monovalent group containing a hydroxyl group, a hydrolyzable group, a hydrogen atom, or a Si atom to which a monovalent group is bonded. at least one RSi This is a monovalent group containing a Si atom to which a hydroxyl group or hydrolyzable group is bonded, X A Each of these is independently a single bond or a 2-10 valent group. α1 is an integer between 1 and 9. β1 is an integer between 1 and 9. Each of the γ1 values ​​is an integer between 1 and 9, independently of the others. The surface treatment agent according to claim 12, which is a compound represented by [the formula shown].

[14] In equations (A1) and (A2), R F Each is independent of the formula: -(OC6F 12 ) a -(OC5F 10 ) b -(OC4F8) c -(OC3R Fa 6) d -(OC2F4) e -(OCF2) f - [In formula: R Fa These are, independently, a hydrogen atom, a fluorine atom, or a chlorine atom. a, b, c, d, e, and f are each independent integers between 0 and 200, the sum of a, b, c, d, e, and f is 1 or greater, the order of existence of each repeating unit enclosed in parentheses with a, b, c, d, e, or f is arbitrary in the expression, except all R Fa If is a hydrogen atom or a chlorine atom, then at least one of a, b, c, e, and f is 1 or more. The surface treatment agent according to claim 13, wherein the group is represented by [the specified group].

[15] In equations (A1) and (A2), Rf 1 C 1-16 It is a perfluoroalkyl group, Rf 2 C 1-6 It is a perfluoroalkylene group, R F Each is independent of the formula: -(OC6F 12 ) a -(OC5F10 ) b -(OC4F8) c -(OC3F6) d -(OC2F4) e -(OCF2) f - [In formula: a, b, c, d, e, and f are each independent integers between 0 and 200, the sum of a, b, c, d, e, and f is 1 or greater, the order of existence of each repeating unit enclosed in parentheses with a, b, c, d, e, or f is arbitrary in the expression, except all R Fa If is a hydrogen atom or a chlorine atom, then at least one of a, b, c, e, and f is 1 or more. A surface treatment agent according to claim 13 or 14, wherein the group is represented by .

[16] In equations (A1) and (A2), R F These are, independently, expressed in the following equations (f1), (f2), (f3), (f4), (f5), or (f6): -(OC3F6) d -(OC2F4) e - (f1) [In the formula, d is an integer between 1 and 200, and e is either 0 or 1.] -(OC4F8) c -(OC3F6) d -(OC2F4) e -(OCF2) f - (f2) [In the formula, c and d are each independent integers between 0 and 30.] e and f are independent integers between 1 and 200. The sum of c, d, e, and f is an integer between 10 and 200. The order of existence of each repeating unit, denoted by c, d, e, or f and enclosed in parentheses, is arbitrary within the expression. -(R 6 -R 7 ) g - (f3) [In the formula, R 6 This is OCF2 or OC2F4, R 7 OC2F4, OC3F6, OC4F8, OC5F10 and OC6F 12 It is a group selected from these groups, or a combination of two or three groups selected from these groups. g is an integer between 2 and 100. -(R 6 -R 7 ) g -R r -(R 7’ -R 6’ ) g’ - (f4) [In the formula, R 6 This is OCF2 or OC2F4, R 7 OC2F4, OC3F6, OC4F8, OC5F 10 and OC6F 12 It is a group selected from these groups, or a combination of two or three groups selected independently from these groups. R 6’ This is OCF2 or OC2F4, R 7’ OC2F4, OC3F6, OC4F8, OC5F 10 and OC6F 12 It is a group selected from these groups, or a combination of two or three groups selected independently from these groups. g is an integer between 2 and 100. g' is an integer between 2 and 100. R r teeth, [ka] (In the formula, * indicates the bonding position.) That is the case. -(OC6F 12 ) a -(OC5F 10 ) b -(OC4F8) c -(OC3F6) d -(OC2F4) e -(OCF2) f - (f5) [In the formula, e is an integer between 1 and 200, a, b, c, d, and f are each independent integers between 0 and 200, and the order of existence of each repeating unit enclosed in parentheses with a, b, c, d, e, or f is arbitrary in the formula.] -(OC6F 12 ) a -(OC5F 10 ) b -(OC4F8) c -(OC3F6) d -(OC2F4) e -(OCF2) f - (f6) [In the formula, f is an integer between 1 and 200, a, b, c, d, and e are each independent integers between 0 and 200, and the order of existence of each repeating unit enclosed in parentheses with a, b, c, d, e, or f is arbitrary in the formula.] A surface treatment agent according to any one of claims 13 to 15, wherein the group is represented by .

[17] R Si This is expressed by the following formulas (S1), (S2), (S3), (S4), or (S5): [ka] [In formula: R 11 Each of these is independently a hydroxyl group or a hydrolyzable group, R 12 Each of these is independently a hydrogen atom or a monovalent organic group. n1 is (SiR 11 n1 R 12 3-n1 Each unit is an independent integer between 0 and 3. X 11 Each of these is independently a single bond or a divalent group, R 13 Each of these is independently a hydrogen atom or a monovalent organic group. Each t is an independent integer greater than or equal to 2. R 14 Each of these is independently a hydrogen atom, a halogen atom, or -X 11 -SiR11 n1 R 12 3-n1 And, R 15 Each of these is independently a single bond, an oxygen atom, an alkylene group having 1 to 6 carbon atoms, or an alkylene oxy group having 1 to 6 carbon atoms. R a1 These are, independently, -Z 1 -SiR 21 p1 R 22 q1 R 23 r1 and; Z 1 Each of these is independently a divalent group, R 21 These are, independently, -Z 1’ -SiR 21’ p1’ R 22’ q1’ R 23’ r1’ and; R 22 Each of these is independently a hydroxyl group or a hydrolyzable group, R 23 Each of these is independently a hydrogen atom or a monovalent organic group. p1 is an integer between 0 and 3, independently of each other. Each q1 is an integer between 0 and 3, independently of the others. Each r1 is an independent integer between 0 and 3. The sum of p1, q1, and r1 is (SiR 21 p1 R 22 q1 R 23 r1 In units, it is 3, Z 1’ Each of these is independently a divalent group, R 21’ These are, independently, -Z 1” -SiR 22” q1” R 23” r1” and; R 22’Each of these is independently a hydroxyl group or a hydrolyzable group, R 23’ Each of these is independently a hydrogen atom or a monovalent organic group. p1' are each independent integers between 0 and 3. Each of q1' is an independent integer between 0 and 3. r1' are each independent integers between 0 and 3. The sum of p1', q1', and r1' is (SiR 21’ p1’ R 22’ q1’ R 23’ r1’ In units, it is 3, Z 1” Each of these is independently a divalent group, R 22” Each of these is independently a hydroxyl group or a hydrolyzable group, R 23” Each of these is independently a hydrogen atom or a monovalent organic group. Each of q1'' is an independent integer between 0 and 3. Each of r1'' is an independent integer between 0 and 3. The sum of q1" and r1" is (SiR 22” q1” R 23” r1” In units, it is 3, R b1 Each of these is independently a hydroxyl group or a hydrolyzable group, R c1 Each of these is independently a hydrogen atom or a monovalent organic group. k1 is an integer between 0 and 3, independently of each other. l1 are all independent integers between 0 and 3. Each m1 is an independent integer between 0 and 3. The sum of k1, l1, and m1 is (SiR a1 k1 R b1 l1 R c1 m1 In units, it is 3, Rd1 These are, independently, -Z 2 -CR 31 p2 R 32 q2 R 33 r2 and; Z 2 These are, independently, single-bonded, divalent groups; R 31 These are, independently, -Z 2’ -CR 32’ q2’ R 33’ r2’ and; R 32 These are, independently, -Z 3 -SiR 34 n2 R 35 3-n2 And, R 33 Each of these is independently a hydrogen atom, a hydroxyl group, or a monovalent organic group. p2 is an integer between 0 and 3, independently of each other. Each of the q2 values ​​is an integer between 0 and 3, independently of the others. Each of the r2 values ​​is an integer between 0 and 3, independently of the others. The sum of p2, q2, and r2 is (CR 31 p2 R 32 q2 R 33 r2 In units, it is 3, Z 2’ Each of these is independently a single bond or a divalent group; R 32’ These are, independently, -Z 3 -SiR 34 n2 R 35 3-n2 And, R 33’ Each of these is independently a hydrogen atom, a hydroxyl group, or a monovalent organic group. q2' are each independent integers between 0 and 3. r2' are each independent integers between 0 and 3. The sum of q2' and r2' is (CR 32’ q2’ R 33’ r2’ In units, it is 3, Z 3 Each of these is independently a single bond or a divalent group; R 34 Each of these is independently a hydroxyl group or a hydrolyzable group, R 35 Each of these is independently a hydrogen atom or a monovalent organic group. n2 are each an independent integer between 0 and 3. R e1 These are, independently, -Z 3 -SiR 34 n2 R 35 3-n2 And, R f1 Each of these is independently a hydrogen atom, a hydroxyl group, or a monovalent organic group. k2 are each an independent integer between 0 and 3. l2 are each an independent integer between 0 and 3. Each m2 is an independent integer between 0 and 3. The sum of k2, l2, and m2 is (CR d1 k2 R e1 l2 R f1 m2 In units, it is 3, R g1 and R h1 These are, independently, -Z 4 -SiR 11 n1 R 12 3-n1 , -Z 4 -SiR a1 k1 R b1 l1 R c1 m1 , or -Z 4 -CR d1 k2 R e1 l2 R f1m2 And, Z 4 Each of these is independently a single bond or a divalent group. However, in formulas (S1), (S2), (S3), (S4), and (S5), there is at least one Si atom to which a hydroxyl group or a hydrolyzable group is bonded. A surface treatment agent according to any one of claims 13 to 16, wherein the group is represented by .

[18] α1, β1, and γ1 are 1, X A The surface treatment agent according to any one of claims 13 to 17, wherein is a single bond or a divalent group.

[19] X A is a single bond or the following formula: -(R 51 ) p5 -(X 51 ) q5 - [In formula: R 51 This is a single bond, -(CH2) s5 - or o-, m- or p-phenylene group, s5 is an integer between 1 and 20. X 51 is, -(X 52 ) l5 -and, X 52 These are, independently, -O-, -S-, o-, m- or p-phenylene groups, -C(O)O-, -Si(R 53 )2-,-(Si(R 53 )2O) m5 -Si(R 53 )2-, -CONR 54 -, -O-CONR 54 -, -NR 54 -and-(CH2) n5 - is a group selected from the group consisting of R 53 These are, independently, a phenyl group and a C 1-6 Alkyl alkyl group or C 1-6 It is an alkoxy group, R 54 Each of these is independently a hydrogen atom, a phenyl group, or C 1-6 It is an alkyl group, Each of m5 is an independent integer between 1 and 100. n5 are each an independent integer between 1 and 20. l5 is an integer between 1 and 10. p5 is either 0 or 1. q5 is either 0 or 1. Here, at least one of p5 and q5 is 1, and the order of existence of each repeating unit enclosed in parentheses with p5 or q5 is arbitrary. Right side is R Si [Combine with...] A surface treatment agent according to any one of claims 13 to 18, wherein the divalent group is represented by .

[20] X A The formula is as follows: [ka] [where, X a It is a single bond or a divalent group. A surface treatment agent according to any one of claims 13 to 17, wherein the group is represented by .

[21] The surface treatment agent according to any one of claims 12 to 20, wherein the content of component (B) is 1 to 70% by mass relative to the sum of component (A) and component (B).

[22] The surface treatment agent according to any one of claims 12 to 21, wherein the content of component (B) is 1 to 50% by mass relative to the sum of component (A) and component (B).

[23] The surface treatment agent according to any one of claims 12 to 22, further comprising one or more other components selected from fluorine-containing oils, silicone oils, alcohols, and catalysts.

[24] The surface treatment agent according to any one of claims 12 to 23, further comprising a solvent.

[25] A surface treatment agent according to any one of claims 12 to 24, which is used as an antifouling coating agent or a waterproof coating agent.

[26] A pellet containing the surface treatment agent according to any one of claims 12 to 25.

[27] An article comprising a base material and a layer formed on the base material from a surface treatment agent according to any one of claims 12 to 25.

[28] The article according to claim 27, wherein the substrate is a glass substrate.

[29] The article according to claim 27, which is an optical component. [Effects of the Invention]

[0007] According to this disclosure, a surface treatment agent can be provided that can give a surface treatment layer having higher friction resistance. [Modes for carrying out the invention]

[0008] In this specification, "monovalent organic group" means a monovalent group containing carbon. Monovalent organic groups are not particularly limited, but may be hydrocarbon groups or derivatives thereof. A derivative of a hydrocarbon group means a group having one or more N, O, S, Si, amide, sulfonyl, siloxane, carbonyl, carbonyloxy, etc., at the terminal or molecular chain of a hydrocarbon group. When simply referred to as "organic group," it means a monovalent organic group. Furthermore, "divalent organic group" means a divalent group containing carbon. Examples of such divalent organic groups include divalent groups obtained by removing one more hydrogen atom from an organic group. Similarly, trivalent or higher organic groups mean groups obtained by removing a predetermined number of hydrogen atoms from an organic group.

[0009] As used herein, "hydrocarbon group" means a group containing carbon and hydrogen, obtained by removing a hydrogen atom from a hydrocarbon. Such hydrocarbon groups are not particularly limited, but include C 1-20 Examples of hydrocarbon groups include aliphatic hydrocarbon groups and aromatic hydrocarbon groups. The above-mentioned "aliphatic hydrocarbon group" may be linear, branched, or cyclic, and may be saturated or unsaturated. The hydrocarbon group may also contain one or more ring structures. The hydrocarbon group may be substituted with one or more substituents.

[0010] In the use herein, the substituents of the "hydrocarbon group" are not particularly limited, but may be, for example, a halogen atom, or a halogen atom, or C 1-6 Alkyl alkyl group, C 2-6 Alkenyl group, C 2-6 Alkynyl group, C 3-10 Cycloalkyl groups, C 3-10 Unsaturated cycloalkyl group, 5-10 membered heterocyclyl group, 5-10 membered unsaturated heterocyclyl group, C 6-10 Examples include one or more groups selected from aryl groups and 5- to 10-membered heteroaryl groups.

[0011] In this specification, "hydrolyzable group" means a group that can undergo hydrolysis, that is, a group that can be removed from the main skeleton of a compound by hydrolysis. Examples of hydrolyzable groups include -OR h1 , -OCOR h1 , -ON=CR h1 2. -NR h1 2, -NHR h1 , -NCO, halogen (in these formulas, R h1 Examples include -OR (where - represents a substituted or unsubstituted C1-C4 alkyl group), and preferably -OR h1 (That is, an alkoxy group). h1 Examples include unsubstituted alkyl groups such as methyl, ethyl, propyl, isopropyl, n-butyl, and isobutyl groups; and substituted alkyl groups such as chloromethyl groups. Among these, alkyl groups, particularly unsubstituted alkyl groups, are preferred, and methyl or ethyl groups are more preferred.

[0012] (Surface treatment agent) The surface treatment agents disclosed herein are Component (A): Fluoropolyether group-containing silane compound, and Component (B): Formula (B1) or (B2): [ka] [In formula: R FB1Rf 1 -R F -O q -and, R FB2 -Rf 2 p -R F -O q -and, R F These are, independently, divalent fluoropolyether groups, Rf 1 C may be substituted with one or more fluorine atoms. 1-16 It is an alkyl group, Rf 2 C may be substituted with one or more fluorine atoms. 1-6 It is an alkylene group, p is either 0 or 1, q is either 0 or 1, independently of each other. X B Each of these is independently a single bond or a divalent group. R B1 Each of these is independently an oxyalkylene-containing group, R B2 Each of these is independently an oxyalkylene-containing group or a monovalent hydrocarbon group. Fluoropolyether group-containing oxyalkylene amide compounds represented by Includes.

[0013] The surface treatment agent disclosed herein, by containing a fluoropolyether group-containing oxyalkyleneamide compound as component (B), can provide a surface treatment layer with excellent friction resistance.

[0014] (Silane compounds containing fluoropolyether groups) The above-mentioned fluoropolyether group-containing silane compound is a compound containing a fluoropolyether group and a hydrolyzable silane group.

[0015] In one embodiment, the fluoropolyether group-containing silane compound is of the following formula (A1) or (A2): [ka] [In formula: R FA1 Each of them is independent of Rf 1 -R F -O q -and, R FA2 -Rf 2 p -R F -O q -and, R F These are, independently, divalent fluoropolyether groups, Rf 1 C may be substituted with one or more fluorine atoms. 1-16 It is an alkyl group, Rf 2 C may be substituted with one or more fluorine atoms. 1-6 It is an alkylene group, p is either 0 or 1, q is either 0 or 1, independently of each other. R Si Each of these is independently a monovalent group containing a hydroxyl group, a hydrolyzable group, a hydrogen atom, or a Si atom to which a monovalent group is bonded. at least one R Si This is a monovalent group containing a Si atom to which a hydroxyl group or hydrolyzable group is bonded, X A Each of these is independently a single bond or a 2-10 valent group. α1 is an integer between 1 and 9. β1 is an integer between 1 and 9. Each of the γ1 values ​​is an integer between 1 and 9, independently of the others. This is a fluoropolyether group-containing silane compound represented by [formula].

[0016] In equation (A1), R FA1 Each of them is independent of Rf 1 -R F -O q - is

[0017] In equation (A2), R FA2 -Rf 2 p -R F -O q - is

[0018] In equations (A1) and (A2), Rf 1 Each of these C atoms may be independently substituted with one or more fluorine atoms. 1-16 It is an alkyl group.

[0019] C may be substituted with one or more fluorine atoms as described above. 1-16 "C" in alkyl groups 1-16 The alkyl group may be linear or branched, preferably linear or branched C 1-6 Alkyl groups, especially C 1-3 It is an alkyl group, more preferably a linear C 1-6 Alkyl groups, especially C 1-3 It is an alkyl group.

[0020] Rf 1 Preferably, C is substituted with one or more fluorine atoms. 1-16 It is an alkyl group, more preferably CF2H-C 1-15 A perfluoroalkylene group, more preferably C 1-16 It is a perfluoroalkyl group.

[0021] C above 1-16 The perfluoroalkyl group may be linear or branched, preferably linear or branched C 1-6 Perfluoroalkyl groups, especially C 1-3 A perfluoroalkyl group, more preferably a linear C 1-6 Perfluoroalkyl groups, especially C 1-3 Perfluoroalkyl groups, specifically -CF3, -CF2CF3, or -CF2CF2CF3.

[0022] In equations (A1) and (A2), Rf 2C may be substituted with one or more fluorine atoms. 1-6 It is an alkylene group.

[0023] C may be substituted with one or more fluorine atoms as described above. 1-6 "C" in the alkylene group 1-6 The alkylene group may be linear or branched, preferably linear or branched C 1-3 An alkylene group, more preferably a linear C group 1-3 It is an alkylene group.

[0024] Rf 2 Preferably, C is substituted with one or more fluorine atoms. 1-6 It is an alkylene group, and more C 1-6 A perfluoroalkylene group, more preferably C 1-3 It is a perfluoroalkylene group.

[0025] C above 1-6 The perfluoroalkylene group may be linear or branched, preferably linear or branched C 1-3 A perfluoroalkylene group, more preferably a linear C 1-3 The perfluoroalkylene group is specifically -CF2-, -CF2CF2-, or -CF2CF2CF2-.

[0026] In the above formula, p is either 0 or 1. In one embodiment, p is 0. In another embodiment, p is 1.

[0027] In the above equation, q is either 0 or 1, independently of the other. In one embodiment, q is 0. In another embodiment, q is 1.

[0028] In equations (A1) and (A2), R F These are, independently, divalent fluoropolyether groups.

[0029] R F Preferably, the formula is: -(OC6F 12 ) a -(OC5F 10 ) b -(OC4F8) c -(OC3R Fa 6) d -(OC2F4) e -(OCF2) f - [In formula: R Fa These are, independently, a hydrogen atom, a fluorine atom, or a chlorine atom. a, b, c, d, e, and f are each independent integers between 0 and 200, and the sum of a, b, c, d, e, and f is 1 or greater. The order of existence of each repeating unit enclosed in parentheses with a, b, c, d, e, or f is arbitrary in the expression. However, all R Fa If is a hydrogen atom or a chlorine atom, then at least one of a, b, c, e, and f is 1 or more. It is a base represented by .

[0030] R Fa is preferably a hydrogen atom or a fluorine atom, and more preferably a fluorine atom. However, all R Fa If is a hydrogen atom or a chlorine atom, then at least one of a, b, c, e, and f is 1 or more.

[0031] a, b, c, d, e, and f may each be an integer, preferably between 0 and 100, more preferably between 0 and 50.

[0032] The sum of a, b, c, d, e, and f is preferably 5 or more, more preferably 10 or more, and even more preferably 20 or more, for example, 25 or more or 30 or more. The sum of a, b, c, d, e, and f is preferably 200 or less, more preferably 100 or less, and even more preferably 60 or less, for example, 50 or less or 30 or less.

[0033] These repeating units may be linear, branched, or contain ring structures. For example, -(OC6F12 )- may also be -(OCF2CF2CF2CF2CF2CF2)-, -(OCF(CF3)CF2CF2CF2CF2)-, -(OCF2CF(CF3)CF2CF2CF2)-, -(OCF2CF2CF(CF3)CF2CF2)-, -(OCF2CF2CF2CF(CF3)CF2)-, -(OCF2CF2CF2CF2CF(CF3))-, etc. -(OC5F 10 )- may be -(OCF2CF2CF2CF2CF2)-, -(OCF(CF3)CF2CF2CF2)-, -(OCF2CF(CF3)CF2CF2)-, -(OCF2CF2CF(CF3)CF2)-, -(OCF2CF2CF2CF(CF3))-, etc. -(OC4F8)- may be -(OCF2CF2CF2CF2)-, -(OCF(CF3)CF2CF2)-, -(OCF2CF(CF3)CF2)-, -(OCF2CF2CF(CF3))-, -(OC(CF3)2CF2)-, -(OCF2C(CF3)2)-, -(OCF(CF3)CF(CF3))-, -(OCF(C2F5)CF2)-, and -(OCF2CF(C2F5))-. -(OC3F6)-(that is, in the above formula, R Fa (where is a fluorine atom) may be any of -(OCF2CF2CF2)-, -(OCF(CF3)CF2)-, and -(OCF2CF(CF3))-. -(OC2F4)- may be any of -(OCF2CF2)- and -(OCF(CF3))-.

[0034] The above ring structure may be a three-membered ring, a four-membered ring, a five-membered ring, or a six-membered ring. [ka] [In the formula, * indicates a bonding position.]

[0035] The above ring structure may preferably be a four-membered ring, a five-membered ring, or a six-membered ring, more preferably a four-membered ring or a six-membered ring.

[0036] The repeating units having a ring structure may preferably be the following units. [ka] [In the formula, * indicates a bonding position.]

[0037] In one embodiment, the repeating unit is linear. By making the repeating unit linear, the surface slipperiness, frictional durability, etc., of the surface treatment layer can be improved.

[0038] In one embodiment, the repeating unit is branched and chain-like. By making the repeating unit branched and chain-like, the coefficient of dynamic friction of the surface treatment layer can be increased.

[0039] In one embodiment, R F Each of these is an independent group that can be represented by one of the following equations (f1) to (f6). -(OC3F6) d -(OC2F4) e - (f1) [In the formula, d is an integer between 1 and 200, and e is 0 or 1, preferably 0.] -(OC4F8) c -(OC3F6) d -(OC2F4) e -(OCF2) f - (f2) [In the formula, c and d are independent integers between 0 and 30, and e and f are independent integers between 1 and 200.] The sum of c, d, e, and f is 2 or greater. The order of existence of each repeating unit, denoted by c, d, e, or f and enclosed in parentheses, is arbitrary within the expression. -(R 6 -R 7 ) g - (f3) [In the formula, R 6 This is OCF2 or OC2F4, R 7 OC2F4, OC3F6, OC4F8, OC5F 10 and OC6F 12 It is a group selected from these groups, or a combination of two or three groups selected independently from these groups. g is an integer between 2 and 100. -(R 6 -R 7 ) g -R r -(R 7’ -R 6’ ) g’ - (f4) [In the formula, R 6 This is OCF2 or OC2F4, R 7 OC2F4, OC3F6, OC4F8, OC5F 10 and OC6F 12 It is a group selected from these groups, or a combination of two or three groups selected independently from these groups. R 6’ This is OCF2 or OC2F4, R 7’ OC2F4, OC3F6, OC4F8, OC5F 10 and OC6F 12 It is a group selected from these groups, or a combination of two or three groups selected independently from these groups. g is an integer between 2 and 100. g' is an integer between 2 and 100. R r teeth, [ka] (In the formula, * indicates the bonding position.) That is the case. -(OC6F 12 ) a -(OC5F 10 ) b -(OC4F8) c -(OC3F6) d -(OC2F4) e -(OCF2) f - (f5) [In the formula, e is an integer between 1 and 200, a, b, c, d, and f are each independent integers between 0 and 200, and the order of existence of each repeating unit enclosed in parentheses with a, b, c, d, e, or f is arbitrary in the formula.] -(OC6F 12 ) a -(OC5F 10 ) b -(OC4F8) c -(OC3F6) d -(OC2F4) e -(OCF2) f - (f6) [In the formula, f is an integer between 1 and 200, a, b, c, d, and e are each independent integers between 0 and 200, and the order of existence of each repeating unit enclosed in parentheses with a, b, c, d, e, or f is arbitrary in the formula.]

[0040] In the above formula (f1), d is preferably an integer between 5 and 200, more preferably between 10 and 100, and even more preferably between 15 and 50, for example between 25 and 35. In the above formula (f1), OC3F6 is preferably (OCF2CF2CF2), (OCF(CF3)CF2), or (OCF2CF(CF3)), and more preferably (OCF2CF2CF2). In one embodiment, e is 0. In another embodiment, e is 1. In the above formula (f1), (OC2F4) is preferably (OCF2CF2) or (OCF(CF3)), and more preferably (OCF2CF2).

[0041] In the above formula (f2), e and f are each an integer, preferably between 5 and 200, more preferably between 10 and 200. The sum of c, d, e, and f is preferably 5 or greater, more preferably 10 or greater, and may be, for example, 15 or greater or 20 or greater. In one embodiment, the above formula (f2) is preferably -(OCF2CF2CF2CF2) c -(OCF2CF2CF2) d -(OCF2CF2) e -(OCF2) f - is the base represented by -. In another embodiment, formula (f2) is -(OC2F4) e -(OCF2) f It may also be represented as a base by -.

[0042] In the above equation (f3), R6 Preferably, it is OC2F4. In (f3) above, R 7 Preferably, the group is selected from OC2F4, OC3F6, and OC4F8, or a combination of two or three groups independently selected from these groups, and more preferably OC3F6 or OC4F8. The combination of two or three groups independently selected from OC2F4, OC3F6, and OC4F8 is not particularly limited, but examples include -OC2F4OC3F6-, -OC2F4OC4F8-, -OC3F6OC2F4-, -OC3F6OC3F6-, -OC3F6OC4F8-, -OC4F8OC4F8-, -OC4F8OC3F6-, -OC4F8OC2F4-, -OC Examples include 2F4OC2F4OC3F6-, -OC2F4OC2F4OC4F8-, -OC2F4OC3F6OC2F4-, -OC2F4OC3F6OC3F6-, -OC2F4OC4F8OC2F4-, -OC3F6OC2F4OC2F4-, -OC3F6OC2F4OC3F6-, -OC3F6OC3F6OC2F4-, and -OC4F8OC2F4OC2F4-. In the above formula (f3), g is preferably an integer of 3 or more, more preferably 5 or more. The above g is preferably an integer of 50 or less. In the above formula (f3), OC2F4, OC3F6, OC4F8, OC5F 10 and OC6F 12 The chain may be either linear or branched, and is preferably linear. In this embodiment, the above formula (f3) is preferably -(OC2F4-OC3F6) g -or-(OC2F4-OC4F8) g - is

[0043] In the above equation (f4), R 6 , R 7 And g have the same meaning as described in the above formula (f3) and have the same characteristics. 6’ , R 7’ and g' are R as described in formula (f3) above, respectively. 6 , R 7 And g are synonymous and have similar characteristics. r Preferably, [ka] [In the formula, * indicates a bonding position.] and, more [ka] [In the formula, * indicates a bonding position.] That is the case.

[0044] In the above formula (f5), e is preferably an integer between 1 and 100, more preferably between 5 and 100. The sum of a, b, c, d, e, and f is preferably 5 or more, more preferably 10 or more, for example between 10 and 100.

[0045] In the above formula (f6), f is preferably an integer between 1 and 100, more preferably between 5 and 100. The sum of a, b, c, d, e, and f is preferably 5 or more, more preferably 10 or more, for example between 10 and 100.

[0046] In one embodiment, R F This is the group represented by the above formula (f1).

[0047] In one embodiment, R F This is the group represented by the above formula (f2).

[0048] In one embodiment, R F This is a group represented by the above formula (f3) or (f4).

[0049] In one embodiment, the above R F This is the group represented by the above formula (f3).

[0050] In one embodiment, the above R F This is the group represented by the above formula (f4).

[0051] In one embodiment, R F This is the group represented by the above formula (f5).

[0052] In one embodiment, R F This is the group represented by the above formula (f6).

[0053] R F In this compound, the ratio of e to f (hereinafter referred to as the "e / f ratio") is preferably 0.1 to 10, more preferably 0.2 to 5, even more preferably 0.2 to 2, even more preferably 0.2 to 1.5, and particularly preferably 0.2 to 0.85. By setting the e / f ratio to 10 or less, the slipperiness, frictional durability, and chemical resistance (e.g., resistance to artificial sweat) of the surface treatment layer obtained from this compound can be further improved. The smaller the e / f ratio, the more the slipperiness and frictional durability of the surface treatment layer can be improved. On the other hand, by setting the e / f ratio to 0.1 or more, the stability of the compound can be further improved. The larger the e / f ratio, the more the stability of the compound can be improved.

[0054] In one embodiment, from the viewpoint of heat resistance, the above e / f ratio may be preferably 1.0 or higher, and more preferably 1.0 to 2.0.

[0055] In the above fluoropolyether group-containing silane compound, R FA1 and R FB2 The number-average molecular weight of the part is not particularly limited, but is, for example, 500 to 30,000, preferably 1,500 to 30,000, and more preferably 2,000 to 10,000. In this specification, R FA1 and R FA2 The number-average molecular weight is, 19 The value shall be measured by 1F-NMR.

[0056] In equations (A1) and (A2), R Si Each is independently a monovalent group containing a hydroxyl group, a hydrolyzable group, a hydrogen atom, or a monovalent group bonded to a Si atom, and at least one R Si This is a monovalent group containing a Si atom to which a hydroxyl group or hydrolyzable group is bonded.

[0057] In a preferred embodiment, R SiThis is a monovalent group containing a Si atom to which a hydroxyl group or a hydrolyzable group is bonded, more preferably a monovalent group containing a Si atom to which a hydrolyzable group is bonded.

[0058] In a preferred embodiment, R Si This is expressed by the following formulas (S1), (S2), (S3), (S4), or (S5): [ka] It is a base represented by .

[0059] In the above formula, R 11 These are, independently, hydroxyl groups or hydrolyzable groups.

[0060] R 11 Preferably, each of these is independently a hydrolyzable group.

[0061] R 11 Preferably, each is independently -OR h1 , -OCOR h1 , -ON=CR h1 , -NR h1 2, -NHR h1 , -NCO, or halogen (wherein R in these formulas) h1 C is either substituted or non-substituted. 1-4 (representing an alkyl group), more preferably OR h1 (That is, an alkoxy group). h1 Examples include unsubstituted alkyl groups such as methyl, ethyl, propyl, isopropyl, n-butyl, and isobutyl groups; and substituted alkyl groups such as chloromethyl groups. Among these, alkyl groups, particularly unsubstituted alkyl groups, are preferred, and methyl or ethyl groups are more preferred. In one embodiment, R h1 is a methyl group. In another embodiment, R h1 This is an ethyl group.

[0062] In the above formula, R 12 Each of these is independently a hydrogen atom or a monovalent group. Such a monovalent group is a monovalent group other than the hydrogen atom, hydroxyl group, and hydrolyzable group mentioned above.

[0063] The above monovalent group is preferably a monovalent organic group. Such a monovalent organic group is a monovalent organic group other than the above hydrolyzable group.

[0064] R 12 In this, the monovalent group is preferably C 1-20 It is an alkyl group, more preferably C 1-6 An alkyl group, more preferably a methyl group.

[0065] In the above formula, n1 is (SiR 11 n1 R 12 3-n1 Each unit is an independent integer between 0 and 3. However, R Si If is a group represented by formula (S1) or (S2), then the terminal R of formulas (A1) and (A2) Si In the part (hereinafter also simply referred to as the "terminal part" of equations (A1) and (A2)), n1 is 1 to 3 (SiR 11 n1 R 12 3-n1 There is at least one unit. That is, in such terminal parts, not all n1s are 0 at the same time. In other words, in the terminal parts of formulas (A1) and (A2), there is at least one Si atom to which a hydroxyl group or hydrolyzable group is bonded.

[0066] n1 is (SiR 11 n1 R 12 3-n1 Each unit is independently preferably an integer between 1 and 3, more preferably 2 or 3, and even more preferably 3.

[0067] In the above formula, X 11 Each of these is independently a single bond or a divalent group. Such a divalent group is preferably an oxygen atom, a sulfur atom, NH, CO, or a divalent organic group. The divalent group is preferably a divalent organic group. Such a divalent organic group is preferably -R 28 -O x -R 29-(In the formula, R 28 and R 29 Each of these is independently a single bond or C 1-20 It is an alkylene group, and x is 0 or 1. 1-20 The alkylene group may be linear or branched, but is preferably linear. 1-20 The alkylene group is preferably C 1-10 Alkylene group, more preferably C 1-6 Alkylene group, more preferably C 1-3 It is an alkylene group.

[0068] In one embodiment, X 11 These are, independently, -C 1-6 Alkylene-OC 1-6 Alkilen- or -OC 1-6 It is alkylene-. Note that X 11 The right side is bonded to Si.

[0069] In a preferred embodiment, X 11 Each of these is independently a single bond or a linear chain of carbon atoms. 1-6 An alkylene group, preferably a single bond or a linear C bond. 1-3 Alkylene group, more preferably single bond or linear carbon 1-2 An alkylene group, more preferably a linear carbon group. 1-2 It is an alkylene group.

[0070] In the above formula, R 13 Each of these is independently a hydrogen atom or a monovalent organic group. Such a monovalent organic group is preferably C 1-20 It is an alkyl group. 1-20 The alkyl group may be linear or branched, but is preferably linear.

[0071] In a preferred embodiment, R 13 Each of these is independently a hydrogen atom or a linear C 1-6 It is an alkyl group, preferably a hydrogen atom or a linear C 1-3 The alkyl group is preferably a hydrogen atom or a methyl group.

[0072] In the above equations, each t is an independent integer greater than or equal to 2.

[0073] Each of t is independently preferably an integer between 2 and 10, more preferably an integer between 2 and 6.

[0074] In the above formula, R 14 Each of these is independently a hydrogen atom, a halogen atom, or -X 11 -SiR 11 n1 R 12 3-n1 The halogen atom is preferably an iodine atom, a chlorine atom, or a fluorine atom, and more preferably a fluorine atom. In a preferred embodiment, R 14 This is a hydrogen atom.

[0075] In the above formula, R 15 In each instance, independently, these are a single bond, an oxygen atom, an alkylene group with 1 to 6 carbon atoms, or an alkylene oxy group with 1 to 6 carbon atoms. Note that in the alkylene oxy group, the alkylene group is R 13 It bonds to the two carbon atoms.

[0076] In one embodiment, R 15 In each instance, these are independently an oxygen atom, a C1-C6 alkylene group, or a C1-C6 alkylene oxy group.

[0077] In a preferred embodiment, R 15 It is a single bond.

[0078] In one embodiment, equation (S1) is given by the following equation (S1-a). [ka] [In the formula, R 11 , R 12 , R 13 , X 11 , and n1 have the same meaning as described in the above formula (S1), t1 and t2 are each independent integers greater than or equal to 0, preferably greater than or equal to 1, more preferably between 1 and 10, and even more preferably between 2 and 10, for example between 1 and 5 or between 2 and 5, and the sum of t1 and t2 is 2 or greater. The order in which each repeating unit, denoted by t1 and t2 and enclosed in parentheses, exists is arbitrary within the expression.

[0079] In a preferred embodiment, formula (S1) is the following formula (S1-b). [ka] [In the formula, R 11 , R 12 , R 13 , X 11 n1 and t have the same meaning as described in the above formula (S1).

[0080] In the above formula, R a1 These are, independently, -Z 1 -SiR 21 p1 R 22 q1 R 23 r1 That is the case.

[0081] Z 1 These are each independently divalent groups. Furthermore, Z 1 The structure described as follows is (SiR 21 p1 R 22 q1 R 23 r1 ) is joined to it.

[0082] The above-mentioned divalent group is preferably an oxygen atom, a sulfur atom, NH, CO, or a divalent organic group, more preferably an oxygen atom or a divalent organic group.

[0083] In a preferred embodiment, Z 1 It is a divalent organic group.

[0084] In a preferred embodiment, Z 1 is, Z1 It does not contain any element that forms a siloxane bond with the Si atom to which it is bonded. Preferably, in formula (S3), (Si-Z 1 -Si) does not contain a siloxane bond.

[0085] The above Z 1 Preferably, C 1-6 Alkylene group, -(CH2) z1 -O-(CH2) z2 -(wherein z1 is an integer between 0 and 6, e.g., an integer between 1 and 6, and z2 is an integer between 0 and 6, e.g., an integer between 1 and 6) or -(CH2) z3 -Phenylene-(CH2) z4 -(wherein z3 is an integer from 0 to 6, for example, an integer from 1 to 6, and z4 is an integer from 0 to 6, for example, an integer from 1 to 6). Such C 1-6 The alkylene group may be linear or branched, but is preferably linear. These groups may include, for example, a fluorine atom, C 1-6 Alkyl alkyl group, C 2-6 Alkenyl group, and C 2-6 The alkynyl group may be substituted with one or more substituents selected from the alkynyl group, but is preferably unsubstituted.

[0086] In a preferred embodiment, Z 1 C 1-6 Alkylene group or -(CH2) z3 -Phenylene-(CH2) z4 -, preferably -phenylene-(CH2) z4 - is Z 1 If the group is such that it can have higher light resistance, especially UV resistance.

[0087] In another preferred embodiment, the above Z 1 C 1-3 It is an alkylene group. In one embodiment, Z 1 This could be -CH2CH2CH2-. In another embodiment, Z 1 It can be -CH2CH2-.

[0088] R 21These are, independently, -Z 1’ -SiR 21’ p1’ R 22’ q1’ R 23’ r1’ That is the case.

[0089] The above Z 1’ These are each independently divalent groups. Furthermore, Z 1’ The structure described as follows is (SiR 21’ p1’ R 22’ q1’ R 23’ r1’ ) is joined to it.

[0090] The above-mentioned divalent group is preferably an oxygen atom, a sulfur atom, NH, CO, or a divalent organic group, more preferably an oxygen atom or a divalent organic group.

[0091] In a preferred embodiment, Z 1’ It is a divalent organic group.

[0092] In a preferred embodiment, Z 1’ is, Z 1’ It does not contain any element that forms a siloxane bond with the Si atom to which it is bonded. Preferably, in formula (S3), (Si-Z 1’ -Si) does not contain a siloxane bond.

[0093] The above Z 1’ Preferably, C 1-6 Alkylene group, -(CH2) z1’ -O-(CH2) z2’ -(wherein z1' is an integer between 0 and 6, e.g., an integer between 1 and 6, and z2' is an integer between 0 and 6, e.g., an integer between 1 and 6) or -(CH2) z3’ -Phenylene-(CH2) z4’ -(wherein z3' is an integer from 0 to 6, for example, an integer from 1 to 6, and z4' is an integer from 0 to 6, for example, an integer from 1 to 6). Such C 1-6The alkylene group may be linear or branched, but is preferably linear. These groups may include, for example, a fluorine atom, C 1-6 Alkyl alkyl group, C 2-6 Alkenyl group, and C 2-6 The alkynyl group may be substituted with one or more substituents selected from the alkynyl group, but is preferably unsubstituted.

[0094] In a preferred embodiment, Z 1’ C 1-6 Alkylene group or -(CH2) z3’ -Phenylene-(CH2) z4’ -, preferably -phenylene-(CH2) z4’ - is Z 1’ If the group is such that it can have higher light resistance, especially UV resistance.

[0095] In another preferred embodiment, the above Z 1’ C 1-3 It is an alkylene group. In one embodiment, Z 1’ This could be -CH2CH2CH2-. In another embodiment, Z 1’ It can be -CH2CH2-.

[0096] R 21’ These are, independently, -Z 1” -SiR 22” q1” R 23” r1” That is the case.

[0097] The above Z 1” These are each independently divalent groups. Furthermore, Z 1” The structure described as follows is (SiR 22” q1” R 23” r1” ) is joined to it.

[0098] The above-mentioned divalent group is preferably an oxygen atom, a sulfur atom, NH, CO, or a divalent organic group, more preferably an oxygen atom or a divalent organic group.

[0099] In a preferred embodiment, Z 1” It is a divalent organic group.

[0100] In a preferred embodiment, Z 1” is, Z 1” It does not contain any element that forms a siloxane bond with the Si atom to which it is bonded. Preferably, in formula (S3), (Si-Z 1” -Si) does not contain a siloxane bond.

[0101] The above Z 1” Preferably, C 1-6 Alkylene group, -(CH2) z1” -O-(CH2) z2” -(wherein z1'' is an integer between 0 and 6, e.g., an integer between 1 and 6, and z2'' is an integer between 0 and 6, e.g., an integer between 1 and 6) or -(CH2) z3” -Phenylene-(CH2) z4” -(wherein z3'' is an integer from 0 to 6, for example, an integer from 1 to 6, and z4'' is an integer from 0 to 6, for example, an integer from 1 to 6). Such C 1-6 The alkylene group may be linear or branched, but is preferably linear. These groups may include, for example, a fluorine atom, C 1-6 Alkyl alkyl group, C 2-6 Alkenyl group, and C 2-6 The alkynyl group may be substituted with one or more substituents selected from the alkynyl group, but is preferably unsubstituted.

[0102] In a preferred embodiment, Z 1” C 1-6 Alkylene group or -(CH2) z3” -Phenylene-(CH2) z4” -, preferably -phenylene-(CH2) z4” - is Z 1” If the group is such that it can have higher light resistance, especially UV resistance.

[0103] In another preferred embodiment, the above Z 1” C 1-3 It is an alkylene group. In one embodiment, Z1” This could be -CH2CH2CH2-. In another embodiment, Z 1” It can be -CH2CH2-.

[0104] R 22” These are, independently, hydroxyl groups or hydrolyzable groups.

[0105] R 22” Preferably, each of these is independently a hydrolyzable group.

[0106] R 22” Preferably, each is independently -OR h1 , -OCOR h1 , -ON=CR h1 2. -NR h1 2, -NHR h1 , -NCO, or halogen (wherein R in these formulas) h1 C is either substituted or non-substituted. 1-4 (representing an alkyl group), more preferably OR h1 (That is, an alkoxy group). h1 Examples include unsubstituted alkyl groups such as methyl, ethyl, propyl, isopropyl, n-butyl, and isobutyl groups; and substituted alkyl groups such as chloromethyl groups. Among these, alkyl groups, particularly unsubstituted alkyl groups, are preferred, and methyl or ethyl groups are more preferred. In one embodiment, R h1 is a methyl group, and in another embodiment, R h1 This is an ethyl group.

[0107] R 23” Each of these is independently a hydrogen atom or a monovalent organic group. Such a monovalent organic group is a monovalent organic group other than the hydrolyzable group mentioned above.

[0108] In one embodiment, a monovalent organic group is C 1-20 It is an alkyl group, more preferably C 1-6 An alkyl group, more preferably a methyl group.

[0109] Each of q1'' is an independent integer between 0 and 3, and each of r1'' is an independent integer between 0 and 3. The sum of q1'' and r1'' is (SiR 22” q1” R 23” r1” In units of 3, it is 3.

[0110] The above q1'' is (SiR 22” q1” R 23” r1” Each unit is independently an integer, preferably between 1 and 3, more preferably between 2 and 3, and even more preferably 3.

[0111] R 22’ These are, independently, hydroxyl groups or hydrolyzable groups.

[0112] R 22’ Preferably, each of these is independently a hydrolyzable group.

[0113] R 22’ Preferably, each is independently -OR h1 , -OCOR h1 , -ON=CR h1 2. -NR h1 2, -NHR h1 , -NCO, or halogen (wherein R in these formulas) h1 C is either substituted or non-substituted. 1-4 (representing an alkyl group), more preferably OR h1 (That is, an alkoxy group). h1 Examples include unsubstituted alkyl groups such as methyl, ethyl, propyl, isopropyl, n-butyl, and isobutyl groups; and substituted alkyl groups such as chloromethyl groups. Among these, alkyl groups, particularly unsubstituted alkyl groups, are preferred, and methyl or ethyl groups are more preferred. In one embodiment, R h1 is a methyl group, and in another embodiment, R h1 This is an ethyl group.

[0114] R 23’Each of these is independently a hydrogen atom or a monovalent organic group. Such a monovalent organic group is a monovalent organic group other than the hydrolyzable group mentioned above.

[0115] In one embodiment, a monovalent organic group is C 1-20 It is an alkyl group, more preferably C 1-6 An alkyl group, more preferably a methyl group.

[0116] Each of the above p1' is an independent integer between 0 and 3, each of the q1' is an independent integer between 0 and 3, and each of the r1' is an independent integer between 0 and 3. Note that the sum of p', q1', and r1' is (SiR 21’ p1’ R 22’ q1’ R 23’ r1’ In units of 3, it is 3.

[0117] In one embodiment, p1' is 0.

[0118] In one embodiment, p1' is (SiR 21’ p1’ R 22’ q1’ R 23’ r1’ Each unit may independently be an integer from 1 to 3, an integer from 2 to 3, or 3. In a preferred embodiment, p1' is 3.

[0119] In one embodiment, q1' is (SiR 21’ p1’ R 22’ q1’ R 23’ r1’ Each unit is an integer from 1 to 3, preferably 2 or 3, more preferably 3.

[0120] In one embodiment, p1' is 0 and q1' is (SiR 21’ p1’ R 22’ q1’ R 23’ r1’Each unit is an integer from 1 to 3, preferably 2 or 3, and more preferably 3.

[0121] R 22 These are, independently, hydroxyl groups or hydrolyzable groups.

[0122] R 22 Preferably, each of these is independently a hydrolyzable group.

[0123] R 22 Preferably, each is independently -OR h1 , -OCOR h1 , -ON=CR h1 2. -NR h1 2, -NHR h1 , -NCO, or halogen (wherein R in these formulas) h1 C is either substituted or non-substituted. 1-4 (representing an alkyl group), more preferably OR h1 (That is, an alkoxy group). h1 Examples include unsubstituted alkyl groups such as methyl, ethyl, propyl, isopropyl, n-butyl, and isobutyl groups; and substituted alkyl groups such as chloromethyl groups. Among these, alkyl groups, particularly unsubstituted alkyl groups, are preferred, and methyl or ethyl groups are more preferred. In one embodiment, R h1 is a methyl group, and in another embodiment, R h1 This is an ethyl group.

[0124] R 23 Each of these is independently a hydrogen atom or a monovalent organic group. Such a monovalent organic group is a monovalent organic group other than the hydrolyzable group mentioned above.

[0125] In one embodiment, a monovalent organic group is C 1-20 It is an alkyl group, more preferably C 1-6 An alkyl group, more preferably a methyl group.

[0126] Each of the above p1 is independently an integer from 0 to 3, each of q1 is independently an integer from 0 to 3, and each of r1 is independently an integer from 0 to 3. In addition, the sum of p1, q1, and r1 is 3 in terms of (SiR 21 p1 R 22 q1 R 23 r1 ) units.

[0127] In one aspect, p1 is 0.

[0128] In one aspect, p1 may be independently an integer from 1 to 3, an integer from 2 to 3, or 3 for each (SiR 21 p1 R 22 q1 R 23 r1 ) unit. In a preferred aspect, p1 is 3.

[0129] In one aspect, q1 is independently an integer from 1 to 3 for each (SiR 21 p1 R 22 q1 R 23 r1 ) unit, preferably 2 or 3, more preferably 3.

[0130] In one aspect, p1 is 0 and q1 is independently an integer from 1 to 3 for each (SiR 21 p1 R 22 q1 R 23 r1 ) unit, preferably 2 or 3, even more preferably 3.

[0131] In the above formula, each R b1 is independently a hydroxyl group or a hydrolyzable group.

[0132] Each R b1 is preferably independently a hydrolyzable group.

[0133] R b1 is preferably, each independently, -OR h1 , -OCOR h1 , -O-N=CR h1 2, -NR h1 2, -NHR h1 , -NCO, or a halogen (in these formulas, R h1 represents a substituted or unsubstituted C 1-4 alkyl group), more preferably -OR h1 (i.e., an alkoxy group). As R h1 , there may be mentioned unsubstituted alkyl groups such as a methyl group, an ethyl group, a propyl group, an isopropyl group, an n-butyl group, an isobutyl group; substituted alkyl groups such as a chloromethyl group. Among them, an alkyl group, particularly an unsubstituted alkyl group, is preferable, and a methyl group or an ethyl group is more preferable. In one embodiment, R h1 is a methyl group, and in another embodiment, R h1 is an ethyl group.

[0134] In the above formula, R c1 is each independently a hydrogen atom or a monovalent organic group. Such a monovalent organic group is a monovalent organic group excluding the above hydrolyzable group.

[0135] In one embodiment, the monovalent organic group is a C 1-20 alkyl group, more preferably a C 1-6 alkyl group, still more preferably a methyl group.

[0136] The above k1 is each independently an integer from 0 to 3, l1 is each independently an integer from 0 to 3, and m1 is each independently an integer from 0 to 3. Incidentally, the sum of k1, l1 and m1 is 3 in the (SiR a1 k1 R b1 l1 R c1 m1 ) unit.

[0137] In one embodiment, k1 is (SiR a1 k1 Rb1 l1 R c1 m1 Each unit is an integer between 1 and 3, preferably 2 or 3, more preferably 3. In a preferred embodiment, k1 is 3.

[0138] In equations (A1) and (A2), R Si When is a group represented by formula (S3), preferably, at least two Si atoms to which a hydroxyl group or a hydrolyzable group is bonded are present in the terminal portions of formulas (A1) and (A2).

[0139] In a preferred embodiment, the group represented by formula (S3) is -Z 1 -SiR 22 q1 R 23 r1 (In the formula, q1 is an integer between 1 and 3, preferably 2 or 3, more preferably 3, and r1 is an integer between 0 and 2.) -Z 1’ -SiR 22’ q1’ R 23’ r1’ (In the formula, q1' is an integer between 1 and 3, preferably 2 or 3, more preferably 3, and r1' is an integer between 0 and 2.) or -Z 1” -SiR 22” q1” R 23” r1” (wherein the formula, q1'' is an integer between 1 and 3, preferably 2 or 3, more preferably 3, and r1'' is an integer between 0 and 2.) Z 1 , Z 1’ , Z 1” , R 22 , R 23 , R 22’ , R 23’ , R 22” , and R 23” This is synonymous with the above.

[0140] In a preferred embodiment, in formula (S3), R 21’ If present, at least one, preferably all R 21’In this case, q1” is an integer from 1 to 3, preferably 2 or 3, more preferably 3.

[0141] In a preferred embodiment, in formula (S3), R 21 If it exists, at least one, preferably all R 21 In this case, p1’ is 0, q1’ is an integer from 1 to 3, preferably 2 or 3, more preferably 3.

[0142] In a preferred embodiment, in formula (S3), R a1 If it exists, at least one, preferably all R a1 In this case, p1 is 0, q1 is an integer from 1 to 3, preferably 2 or 3, more preferably 3.

[0143] In a preferred embodiment, in formula (S3), k1 is 2 or 3, preferably 3, p1 is 0, and q1 is 2 or 3, preferably 3.

[0144] In one embodiment, formula (S3) does not contain a siloxane bond.

[0145] R d1 are each independently -Z 2 -CR 31 p2 R 32 q2 R 33 r2 respectively.

[0146] Z 2 are each independently a single bond or a divalent group. Hereinafter, the structure described as Z 2 is bonded to the right side (CR 31 p2 R 32 q2 R 33 r2 ).

[0147] The above-mentioned divalent group is preferably an oxygen atom, a sulfur atom, NH, CO, or a divalent organic group, more preferably an oxygen atom or a divalent organic group.

[0148] Z 2 Each of these is independently preferably an oxygen atom or a divalent organic group, more preferably a divalent organic group.

[0149] The above Z 2 Preferably, C 1-6 Alkylene group, -(CH2) z5 -O-(CH2) z6 -(wherein z5 is an integer between 0 and 6, e.g., an integer between 1 and 6, and z6 is an integer between 0 and 6, e.g., an integer between 1 and 6) or -(CH2) z7 -Phenylene-(CH2) z8 -(wherein z7 is an integer from 0 to 6, for example, an integer from 1 to 6, and z8 is an integer from 0 to 6, for example, an integer from 1 to 6). Such C 1-6 The alkylene group may be linear or branched, but is preferably linear. These groups may include, for example, a fluorine atom, C 1-6 Alkyl alkyl group, C 2-6 Alkenyl group, and C 2-6 The alkynyl group may be substituted with one or more substituents selected from the alkynyl group, but is preferably unsubstituted.

[0150] In a preferred embodiment, Z 2 C 1-6 Alkylene group or -(CH2) z7 -Phenylene-(CH2) z8 -, preferably -phenylene-(CH2) z8 - is Z 2 If the group is such that it can have higher light resistance, especially UV resistance.

[0151] In another preferred embodiment, the above Z 2 C 1-3 It is an alkylene group. In one embodiment, Z 2 This could be -CH2CH2CH2-. In another embodiment, Z 2It can be -CH2CH2-.

[0152] R 31 These are, independently, -Z 2’ -CR 32’ q2’ R 33’ r2’ That is the case.

[0153] Z 2’ Each of these is independently a single bond or a divalent group. (Note: Z follows) 2’ The structure described as follows is (CR) on the right side. 32’ q2’ R 33’ r2’ ) is joined to it.

[0154] The above-mentioned divalent group is preferably an oxygen atom, a sulfur atom, NH, CO, or a divalent organic group, more preferably an oxygen atom or a divalent organic group.

[0155] Z 2’ Each of these is independently preferably an oxygen atom or a divalent organic group, more preferably a divalent organic group.

[0156] The above Z 2’ Preferably, C 1-6 Alkylene group, -(CH2) z5’ -O-(CH2) z6’ -(wherein z5' is an integer between 0 and 6, e.g., an integer between 1 and 6, and z6' is an integer between 0 and 6, e.g., an integer between 1 and 6) or -(CH2) z7’ -Phenylene-(CH2) z8’ -(wherein z7' is an integer from 0 to 6, for example, an integer from 1 to 6, and z8' is an integer from 0 to 6, for example, an integer from 1 to 6). Such C 1-6 The alkylene group may be linear or branched, but is preferably linear. These groups may include, for example, a fluorine atom, C 1-6 Alkyl alkyl group, C 2-6 Alkenyl group, and C 2-6 The alkynyl group may be substituted with one or more substituents selected from the alkynyl group, but is preferably unsubstituted.

[0157] In a preferred embodiment, Z 2’ C 1-6 Alkylene group or -(CH2) z7’ -Phenylene-(CH2) z8’ -, preferably -phenylene-(CH2) z8’ - is Z 2’ If the group is such that it can have higher light resistance, especially UV resistance.

[0158] In another preferred embodiment, the above Z 2’ C 1-3 It is an alkylene group. In one embodiment, Z 2’ This could be -CH2CH2CH2-. In another embodiment, Z 2’ It can be -CH2CH2-.

[0159] R 32’ These are, independently, -Z 3 -SiR 34 n2 R 35 3-n2 That is the case.

[0160] The above Z 3 Each of these is independently a single bond or a divalent group. (Note: Z follows) 3 The structure described as follows is (SiR 34 n2 R 35 3-n2 ) is joined to it.

[0161] The above-mentioned divalent group is preferably an oxygen atom, a sulfur atom, NH, CO, or a divalent organic group, more preferably an oxygen atom or a divalent organic group.

[0162] Z 3 Each of these is independently preferably an oxygen atom or a divalent organic group, more preferably a divalent organic group.

[0163] In one embodiment, Z 3 It is an oxygen atom.

[0164] In one embodiment, Z 3 It is a divalent organic group.

[0165] The above Z 3 Preferably, C 1-6 Alkylene group, -(CH2) z5” -O-(CH2) z6” -(wherein z5'' is an integer between 0 and 6, e.g., an integer between 1 and 6, and z6'' is an integer between 0 and 6, e.g., an integer between 1 and 6) or -(CH2) z7” -Phenylene-(CH2) z8” -(wherein z7'' is an integer from 0 to 6, for example, an integer from 1 to 6, and z8'' is an integer from 0 to 6, for example, an integer from 1 to 6). Such C 1-6 The alkylene group may be linear or branched, but is preferably linear. These groups may include, for example, a fluorine atom, C 1-6 Alkyl alkyl group, C 2-6 Alkenyl group, and C 2-6 The alkynyl group may be substituted with one or more substituents selected from the alkynyl group, but is preferably unsubstituted.

[0166] In a preferred embodiment, Z 3 C 1-6 Alkylene group or -(CH2) z7” -Phenylene-(CH2) z8” -, preferably -phenylene-(CH2) z8” - is Z 3 If the group is such that it can have higher light resistance, especially UV resistance.

[0167] In another preferred embodiment, the above Z 3 C 1-3 It is an alkylene group. In one embodiment, Z 3 This could be -CH2CH2CH2-. In another embodiment, Z 3 It can be -CH2CH2-.

[0168] R 34 These are, independently, hydroxyl groups or hydrolyzable groups.

[0169] R 34 Preferably, each of these is independently a hydrolyzable group.

[0170] R 34 Preferably, each is independently -OR h1 , -OCOR h1 , -ON=CR h1 2. -NR h1 2, -NHR h1 , -NCO, or halogen (wherein R in these formulas) h1 C is either substituted or non-substituted. 1-4 (representing an alkyl group), more preferably OR h1 (That is, an alkoxy group). h1 Examples include unsubstituted alkyl groups such as methyl, ethyl, propyl, isopropyl, n-butyl, and isobutyl groups; and substituted alkyl groups such as chloromethyl groups. Among these, alkyl groups, particularly unsubstituted alkyl groups, are preferred, and methyl or ethyl groups are more preferred. In one embodiment, R h1 is a methyl group, and in another embodiment, R h1 This is an ethyl group.

[0171] R 35 Each of these is independently a hydrogen atom or a monovalent organic group. Such a monovalent organic group is a monovalent organic group other than the hydrolyzable group mentioned above.

[0172] R 35 In this, the monovalent organic group is preferably C 1-20 It is an alkyl group, more preferably C 1-6 An alkyl group, more preferably a methyl group.

[0173] In the above formula, n2 is (SiR 34 n2 R 35 3-n2 Each unit is an independent integer between 0 and 3. However, R Si If is a group represented by formula (S4), then in the terminal parts of formulas (A1) and (A2), n2 is 1 to 3 (SiR34 n2 R 35 3-n2 There is at least one unit. That is, at such terminal parts, not all n2s are 0 at the same time. In other words, at the terminal parts of formulas (A1) and (A2), there is at least one Si atom to which a hydroxyl group or hydrolyzable group is bonded.

[0174] n2 is (SiR 34 n2 R 35 3-n2 Each unit is independently preferably an integer between 1 and 3, more preferably 2 or 3, and even more preferably 3.

[0175] R 33’ Each of these is independently a hydrogen atom, a hydroxyl group, or a monovalent organic group. Such a monovalent organic group is a monovalent organic group other than the hydrolyzable group mentioned above.

[0176] R 33’ In this, the monovalent organic group is preferably C 1-20 Alkyl alkyl group or R 41’ -(OR 42’ ) y1’ -O y2’ -(In the formula, R 41’ is a hydrogen atom or C 1-6 It is an alkyl group, R 42’ Each of them is independent of C 1-6 It may be an alkylene group, where y1' is an integer from 1 to 30, and y2' is 0 or 1.

[0177] In one embodiment, R 41’ This is a hydrogen atom.

[0178] In another embodiment, R 41’ C 1-6 Alkyl alkyl group, preferably C 1-3 It is an alkyl group.

[0179] R 42’ Each of them is independent of C 1-6 Alkylene group, preferably C1-3 Alkylene group, more preferably C 2-3 It is an alkylene group.

[0180] y1' is an integer between 1 and 30, preferably between 1 and 20, more preferably between 1 and 10, and even more preferably between 2 and 10, for example, an integer between 2 and 6, an integer between 2 and 4, an integer between 3 and 6, or an integer between 4 and 6.

[0181] In one embodiment, R 33’ This is a hydroxyl group.

[0182] In another embodiment, R 33’ C 1-20 It is an alkyl group, more preferably C 1-6 It is an alkyl group.

[0183] In another embodiment, R 33’ R 41’ -(OR 42’ ) y1’ -O y2’ - is

[0184] Each of the above q2' is an independent integer between 0 and 3, and each of the above r2' is an independent integer between 0 and 3. The sum of q2' and r2' is (CR 32’ q2’ R 33’ r2’ In units of 3, it is 3.

[0185] q2' is (CR 32’ q2’ R 33’ r2’ Each unit is independently preferably an integer between 1 and 3, more preferably 2 or 3, and even more preferably 3.

[0186] R 32 These are, independently, -Z 3 -SiR 34 n2 R 35 3-n2 This is the case. 3 -SiR 34n2 R 35 3-n2 The above R 32’ This is equivalent to the description in [the relevant section].

[0187] R 33 Each of these is independently a hydrogen atom, a hydroxyl group, or a monovalent organic group. Such a monovalent organic group is a monovalent organic group other than the hydrolyzable group mentioned above.

[0188] R 33 In this, the monovalent organic group is preferably C 1-20 Alkyl alkyl group or R 41 -(OR 42 ) y1 -O y2 -(In the formula, R 41 is a hydrogen atom or C 1-6 It is an alkyl group, R 42 Each of them is independent of C 1-6 It may be an alkylene group, where y1 is an integer from 1 to 30, and y2 is 0 or 1.

[0189] In one embodiment, R 41 This is a hydrogen atom.

[0190] In another embodiment, R 41 C 1-6 Alkyl alkyl group, preferably C 1-3 It is an alkyl group.

[0191] R 42 Each of them is independent of C 1-6 Alkylene group, preferably C 1-3 Alkylene group, more preferably C 2-3 It is an alkylene group.

[0192] y1 is an integer between 1 and 30, preferably between 1 and 20, more preferably between 1 and 10, and even more preferably between 2 and 10, for example, an integer between 2 and 6, an integer between 2 and 4, an integer between 3 and 6, or an integer between 4 and 6.

[0193] In one embodiment, R 33This is a hydroxyl group.

[0194] In another embodiment, R 33 C 1-20 It is an alkyl group, more preferably C 1-6 It is an alkyl group.

[0195] In another embodiment, R 33 R 41 -(OR 42 ) y1 -O y2 - is

[0196] Each of the above p2 values ​​is an independent integer between 0 and 3, each of the q2 values ​​is an independent integer between 0 and 3, and each of the r2 values ​​is an independent integer between 0 and 3. Note that the sum of p2, q2, and r2 is (CR 31 p2 R 32 q2 R 33 r2 In units of 3, it is 3.

[0197] In one embodiment, p2 is 0.

[0198] In one embodiment, p2 is (CR 31 p2 R 32 q2 R 33 r2 Each unit may independently be an integer from 1 to 3, an integer from 2 to 3, or 3. In a preferred embodiment, p2 is 3.

[0199] In one embodiment, q2 is (CR 31 p2 R 32 q2 R 33 r2 Each unit is an integer from 1 to 3, preferably 2 or 3, more preferably 3.

[0200] In one embodiment, p2 is 0 and q2 is (CR 31 p2 R32 q2 R 33 r2 Each unit is an integer from 1 to 3, preferably 2 or 3, and more preferably 3.

[0201] R e1 These are, independently, -Z 3 -SiR 34 n2 R 35 3-n2 This is the case. 3 -SiR 34 n2 R 35 3-n2 The above R 32’ This is equivalent to the description in [the relevant section].

[0202] R f1 Each of these is independently a hydrogen atom, a hydroxyl group, or a monovalent organic group. Such a monovalent organic group is a monovalent organic group other than the hydrolyzable group mentioned above.

[0203] R f1 In this, the monovalent organic group is preferably C 1-20 Alkyl alkyl group or R 43 -(OR 44 ) y3 -O y4 -(In the formula, R 43 is a hydrogen atom or C 1-6 It is an alkyl group, R 44 Each of them is independent of C 1-6 It may be an alkylene group, where y3 is an integer from 1 to 30, and y4 is 0 or 1.

[0204] In one embodiment, R 43 This is a hydrogen atom.

[0205] In another embodiment, R 43 C 1-6 Alkyl alkyl group, preferably C 1-3 It is an alkyl group.

[0206] R 44 Each of them is independent of C1-6 Alkylene group, preferably C 1-3 Alkylene group, more preferably C 2-3 It is an alkylene group.

[0207] y3 is an integer between 1 and 30, preferably between 1 and 20, more preferably between 1 and 10, and even more preferably between 2 and 10, for example, an integer between 2 and 6, an integer between 2 and 4, an integer between 3 and 6, or an integer between 4 and 6.

[0208] In one embodiment, R f1 This is a hydroxyl group.

[0209] In another embodiment, R f1 C 1-20 It is an alkyl group, more preferably C 1-6 It is an alkyl group.

[0210] In another embodiment, R f1 R 43 -(OR 44 ) y3 -O y4 - is

[0211] Each of the above k2 is an independent integer between 0 and 3, each l2 is an independent integer between 0 and 3, and each m2 is an independent integer between 0 and 3. Note that the sum of k2, l2 and m2 is (CR d1 k2 R e1 l2 R f1 m2 In units of 3, it is 3.

[0212] In equations (A1) and (A2), R Si When is a group represented by formula (S4), preferably, at least two Si atoms to which a hydroxyl group or a hydrolyzable group is bonded are present at the terminal portions of formulas (A1) and (A2).

[0213] In one embodiment, R SiWhen is a group represented by formula (S4), n2 is 1 to 3, preferably 2 or 3, more preferably 3 (SiR 34 n2 R 35 3-n2 The units are present in two or more units at each terminal portion of formula (A1) and formula (A2), for example, 2 to 27 units, preferably 2 to 9 units, more preferably 2 to 6 units, even more preferably 2 to 3 units, and particularly preferably 3 units.

[0214] In a preferred embodiment, in formula (S4), R 32’ If present, at least one, preferably all R 32’ In this, n2 is an integer between 1 and 3, preferably 2 or 3, more preferably 3.

[0215] In a preferred embodiment, in formula (S4), R 32 If present, at least one, preferably all R 32 In this, n2 is an integer between 1 and 3, preferably 2 or 3, more preferably 3.

[0216] In a preferred embodiment, in formula (S4), R e1 If present, at least one, preferably all R a1 In this, n2 is an integer between 1 and 3, preferably 2 or 3, more preferably 3.

[0217] In a preferred embodiment, in formula (S4), k2 is 0, l2 is 2 or 3, preferably 3, and n2 is 2 or 3, preferably 3.

[0218] In one embodiment, formula (S4) does not contain a siloxane bond.

[0219] R g1 and R h1 These are, independently, -Z 4 -SiR 11 n1 R 12 3-n1 , -Z 4 -SiRa1 k1 R b1 l1 R c1 m1 , -Z 4 -CR d1 k2 R e1 l2 R f1 m2 Here, R 11 , R 12 , R a1 , R b2 , R c1 , R d1 , R e1 , R f1 n1, k1, l1, m1, k2, l2, and m2 have the same meaning as above.

[0220] In a preferred embodiment, R g1 and R h1 These are, independently, -Z 4 -SiR 11 n1 R 12 3-n1 That is the case.

[0221] The above Z 4 Each of these is independently a single bond or a divalent group. (Note: Z follows) 4 The structure described as follows is (SiR 11 n1 R 12 3-n1 ) is joined to it.

[0222] The above-mentioned divalent group is preferably an oxygen atom, a sulfur atom, NH, CO, or a divalent organic group, more preferably an oxygen atom or a divalent organic group.

[0223] Z 4 Each of these is independently preferably an oxygen atom or a divalent organic group, more preferably a divalent organic group.

[0224] In one embodiment, Z 4 It is an oxygen atom.

[0225] In one embodiment, Z4 It is a divalent organic group.

[0226] The above Z 4 Preferably, C 1-6 Alkylene group, -(CH2) z5” -O-(CH2) z6” -(wherein z5'' is an integer between 0 and 6, e.g., an integer between 1 and 6, and z6'' is an integer between 0 and 6, e.g., an integer between 1 and 6) or -(CH2) z7” -Phenylene-(CH2) z8” -(wherein z7'' is an integer from 0 to 6, for example, an integer from 1 to 6, and z8'' is an integer from 0 to 6, for example, an integer from 1 to 6). Such C 1-6 The alkylene group may be linear or branched, but is preferably linear. These groups may include, for example, a fluorine atom, C 1-6 Alkyl alkyl group, C 2-6 Alkenyl group, and C 2-6 The alkynyl group may be substituted with one or more substituents selected from the alkynyl group, but is preferably unsubstituted.

[0227] In a preferred embodiment, Z 4 C 1-6 Alkylene group or -(CH2) z7” -Phenylene-(CH2) z8” -, preferably -phenylene-(CH2) z8” - is Z 3 If the group is such that it can have higher light resistance, especially UV resistance.

[0228] In another preferred embodiment, the above Z 4 C 1-3 It is an alkylene group. In one embodiment, Z 4 This could be -CH2CH2CH2-. In another embodiment, Z 4 It can be -CH2CH2-.

[0229] In one embodiment, R SiThese are groups represented by formulas (S2), (S3), (S4), or (S5). These compounds can form surface treatment layers with high surface slipperiness.

[0230] In one embodiment, R Si These are groups represented by formulas (S1), (S3), (S4), or (S5). Because these compounds have multiple hydrolyzable groups at one end, they can form a surface treatment layer that adheres strongly to the substrate and has high friction resistance.

[0231] In one embodiment, R Si These are groups represented by formulas (S1), (S3), or (S4). Because these compounds have multiple hydrolyzable groups at one end, they can form a surface treatment layer that adheres strongly to the substrate and has high friction resistance.

[0232] In one embodiment, R Si This is a group represented by formula (S3) or (S4). Since these compounds may have multiple hydrolyzable groups branched from a single Si or C atom at one end, they can form a surface treatment layer with even higher friction resistance.

[0233] In one embodiment, R Si This is a base represented by equation (S1).

[0234] In one embodiment, R Si This is a base represented by equation (S2).

[0235] In one embodiment, R Si This is a base represented by formula (S3).

[0236] In one embodiment, R Si This is a base represented by formula (S4).

[0237] In one embodiment, R Si This is a base represented by equation (S5).

[0238] In equations (A1) and (A2), X A The fluoropolyether portion (R) primarily provides water repellency and surface slipperiness. FA1 and R FA2 ) and the part that provides bonding ability to the substrate (R Si It is understood to be a linker that connects ) and . Therefore, the X A The group may be a single bond or any other group, as long as the compounds represented by formulas (A1) and (A2) can exist stably.

[0239] In equation (A1), α1 is an integer from 1 to 9, and β1 is an integer from 1 to 9. These α1 and β1 are X A It can change depending on the valence of α1 and β1. The sum of α1 and β1 is X A It is the same as the valence of X. For example, X A If is a 10-valent group, the sum of α1 and β1 is 10, and for example, α1 can be 9 and β1 can be 1, α1 can be 5 and β1 can be 5, or α1 can be 1 and β1 can be 9. Also, X A If it is a divalent group, then α1 and β1 are 1.

[0240] In equation (A2), γ is an integer between 1 and 9. γ is X A It can change depending on the valence of X. That is, γ is X A This is the value obtained by subtracting 1 from the valence of [the element].

[0241] X A Each of these is independently a single bond or a group with 2 to 10 valents.

[0242] X A Each of these is independently preferably a single bond or a 2- to 10-valent organic group.

[0243] In one embodiment, X A It does not contain a siloxane bond (-Si-O-Si-).

[0244] The above X AThe 2-10 valent group in is preferably a 2-8 valent group. In one embodiment, such a 2-10 valent group is preferably a 2-4 valent group, and more preferably a 2 valent group. In another embodiment, such a 2-10 valent group is preferably a 3-8 valent group, and more preferably a 3-6 valent group.

[0245] In one embodiment, X A It is a single bond or a divalent group, with α1 being 1 and β1 being 1.

[0246] In one embodiment, X A It is a single bond or a divalent group, and γ is 1.

[0247] The above-mentioned divalent group is preferably an oxygen atom, a sulfur atom, NH, CO, or a divalent organic group, more preferably an oxygen atom or a divalent organic group, and even more preferably a divalent organic group.

[0248] In one embodiment, X A This is a 3- to 6-valent group, preferably a 3- to 6-valent organic group, where α1 is 1 and β1 is 2-5.

[0249] In one embodiment, X A The group is a 3-6 valent group, preferably a 3-6 valent organic group, and γ is 2-5.

[0250] In one embodiment, X A is a trivalent group, preferably a trivalent organic group, where α1 is 1 and β1 is 2.

[0251] In one embodiment, X A is a trivalent group, preferably a trivalent organic group, and γ is 2.

[0252] X A However, when the group is a single bond or a divalent group, formulas (A1) and (A2) are represented by the following formulas (A1') and (A2'). [ka]

[0253] In one embodiment, X A It is a single bond.

[0254] In another embodiment, X A It is a divalent organic group.

[0255] In one embodiment, X A For example, a single bond or the following formula: -(R 51 ) p5 -(X 51 ) q5 - [In formula: R 51 This is a single bond, -(CH2) s5 - or o-, m- or p-phenylene group, preferably -(CH2) s5 -and, s5 is an integer from 1 to 20, preferably an integer from 1 to 6, more preferably an integer from 1 to 3, and even more preferably 1 or 2. X 51 is, -(X 52 ) l5 - represents, X 52 These are, independently, -O-, -S-, o-, m- or p-phenylene groups, -C(O)O-, -Si(R 53 )2-,-(Si(R 53 )2O) m5 -Si(R 53 )2-, -CONR 54 -, -O-CONR 54 -, -NR 54 -and-(CH2) n5 - Represents a group selected from the group consisting of, R 53 These are, independently, a phenyl group and a C 1-6 Alkyl alkyl group or C 1-6 Represents an alkoxy group, preferably a phenyl group or C 1-6 It is an alkyl group, more preferably a methyl group, R 54 Each of these is independently a hydrogen atom, a phenyl group, or C 1-6Represents an alkyl group (preferably a methyl group), In each occurrence, m5 is an integer between 1 and 100, preferably between 1 and 20, independently. n5 is, in each occurrence, independently an integer between 1 and 20, preferably an integer between 1 and 6, more preferably an integer between 1 and 3. l5 is an integer between 1 and 10, preferably between 1 and 5, more preferably between 1 and 3. p5 is either 0 or 1. q5 is either 0 or 1. Here, at least one of p5 and q5 is 1, and the order of existence of each repeating unit enclosed in parentheses with p5 or q5 is arbitrary. Right side is R Si [Combine with...] A divalent organic group represented by X is an example. Here, X A (typically X) A The hydrogen atom of the fluorine atom, C 1-3 Alkyl and C 1-3 It may be substituted with one or more substituents selected from fluoroalkyl groups. In a preferred embodiment, X A These groups are not substituted by these groups.

[0256] In a preferred embodiment, the above X A These are, independently, -(R 51 ) p5 -(X 51 ) q5 -R 52 - is R 52 This is a single bond, -(CH2) t5 - or o-, m- or p-phenylene group, preferably -(CH2) t5 - is the case. t5 is an integer from 1 to 20, preferably an integer from 2 to 6, more preferably an integer from 2 to 3. Here, R 52 (typically R 52 The hydrogen atom of the fluorine atom, C 1-3 Alkyl and C 1-3 It may be substituted with one or more substituents selected from fluoroalkyl groups. In a preferred embodiment, R56 These groups are not substituted by these groups.

[0257] Preferably, the above X A Each of them operates independently. single bond, C 1-20 Alkylene group, -R 51 -X 53 -R 52 -, or -X 54 -R 5 - [In the formula, R 51 and R 52 This is synonymous with the above, X 53 teeth, -O-, -S-, -C(O)O-, -CONR 54 -, -O-CONR 54 -, -Si(R 53 )2-, -(Si(R 53 )2O) m5 -Si(R 53 )2-, -O-(CH2) u5 -(Si(R 53 )2O) m5 -Si(R 53 )2-, -O-(CH2) u5 -Si(R 53 )2-O-Si(R 53 )2-CH2CH2-Si(R 53 )2-O-Si(R 53 )2-, -O-(CH2) u5 -Si(OCH3)2OSi(OCH3)2-, -CONR 54 -(CH2) u5 -(Si(R 53 )2O) m5 -Si(R 53 )2-, -CONR 54 -(CH2)u5 -N(R 54 )-, or -CONR 54 -(o-, m- or p-phenylene)-Si(R 53 )2- (In the formula, R 53 , R 54 And m5 has the same meaning as above, u5 represents an integer between 1 and 20, preferably between 2 and 6, more preferably between 2 and 3. X 54 teeth, -S-, -C(O)O-, -CONR 54 -, -O-CONR 54 -, -CONR 54 -(CH2) u5 -(Si(R 54 )2O) m5 -Si(R 54 )2-, -CONR 54 -(CH2) u5 -N(R 54 )-, or -CONR 54 -(o-, m- or p-phenylene)-Si(R 54 )2- (In the formula, each symbol has the same meaning as above.) [This represents...] It is possible.

[0258] More preferably, X A Each of them operates independently. single bond, C 1-20 Alkylene group, -(CH2) s5 -X 53 -, -(CH2) s5 -X 53 -(CH2) t5 - -X 54 -, or -X 54 -(CH2) t5 - [where, X 53 , X 54 s5 and t5 have the same meaning as above. That is the case.

[0259] More preferably, X A Each of them operates independently. single bond, C 1-20 Alkylene group, -(CH2) s5 -X 53 -(CH2) t5 -, or -X 54 -(CH2) t5 - [In the formula, each symbol has the same meaning as above.] It is possible.

[0260] In a preferred embodiment, the above X A Each of them operates independently. single bond C 1-20 Alkylene group, -(CH2) s5 -X 53 -, or -(CH2) s5 -X 53 -(CH2) t5 - [In the formula, X 53 -O-, -CONR 54 -, or -O-CONR 54 -and, R 54 Each of these is independently a hydrogen atom, a phenyl group, or C 1-6 Represents an alkyl group, s5 is an integer between 1 and 20. t5 is an integer between 1 and 20. It is possible.

[0261] In a preferred embodiment, the above X A Each of them operates independently. -(CH2) s5 -O-(CH2) t5 - -CONR 54 -(CH2) t5 - [In the formula, R 54 Each of these is independently a hydrogen atom, a phenyl group, or C 1-6 Represents an alkyl group, s5 is an integer between 1 and 20. t5 is an integer between 1 and 20. It is possible.

[0262] In one embodiment, the above X A Each of them operates independently. single bond, C 1-20 Alkylene group, -(CH2) s5 -O-(CH2) t5 -, -(CH2) s5 -(Si(R 53 )2O) m5 -Si(R 53 )2-(CH2) t5 -, -(CH2) s5 -O-(CH2) u5 -(Si(R 53 )2O) m5 -Si(R 53 )2-(CH2) t5 -, or -(CH2) s5 -O-(CH2) t5 -Si(R 53 )2-(CH2) u5 -Si(R 53 )2-(C v H 2v )- [In the formula, R 53 m5, s5, t5, and u5 have the same meaning as above, and v5 is an integer from 1 to 20, preferably an integer from 2 to 6, more preferably an integer from 2 to 3. That is the case.

[0263] In the above formula, -(C v H 2v)- may be a linear or branched chain, and may be, for example, -CH2CH2-, -CH2CH2CH2-, -CH(CH3)-, or -CH(CH3)CH2-.

[0264] The above X A These are, independently, a fluorine atom and a carbon atom. 1-3 Alkyl and C 1-3 Fluoroalkyl groups (preferably C 1-3 It may be substituted with one or more substituents selected from perfluoroalkyl groups. In one embodiment, X A This is a non-substitution.

[0265] In one embodiment, X A These are, independently, -OC 1-6 It may be a group other than an alkylene group.

[0266] In another embodiment, X A Examples include the following bases: [ka] [ka] [In the formula, R 41 Each of these independently consists of a hydrogen atom, a phenyl group, an alkyl group having 1 to 6 carbon atoms, or C 1-6 An alkoxy group, preferably a methyl group, D is -CH2O(CH2)2-, -CH2O(CH2)3-, -CF2O(CH2)3-, -(CH2)2-, -(CH2)3-, -(CH2)4-, -CONH-(CH2)3-, -CON(CH3)-(CH2)3-, -CON(Ph)-(CH2)3- (wherein Ph means phenyl), and [ka] (In the formula, R 42 These are, independently, hydrogen atoms and C 1-6 alkyl group or C 1-6 (This represents an alkoxy group, preferably a methyl group or a methoxy group, more preferably a methyl group.) It is a base selected from, E is -(CH2) n -(n is an integer from 2 to 6), D is the R of the molecular backbone. FA1 or R FA2 E is bonded to R Si [Combine with...]

[0267] The above X A Specific examples include: single bond, -CH2OCH2-, -CH2O(CH2)2-, -CH2O(CH2)3-, -CH2O(CH2)4-, -CH2O(CH2)5-, -CH2O(CH2)6-, -CH2O(CH2)3Si(CH3)2OSi(CH3)2(CH2)2-, -CH2O(CH2)3Si(CH3)2OSi(CH3)2OSi(CH3)2(CH2)2-, -CH2O(CH2)3Si(CH3)2O(Si(CH3)2O)2Si(CH3)2(CH2)2-, -CH2O(CH2)3Si(CH3)2O(Si(CH3)2O)3Si(CH3)2(CH2)2-, -CH2O(CH2)3Si(CH3)2O(Si(CH3)2O) 10 Si(CH3)2(CH2)2-, -CH2O(CH2)3Si(CH3)2O(Si(CH3)2O) 20 Si(CH3)2(CH2)2-, -CH2OCF2CHFOCF2-, -CH2OCF2CHFOCF2CF2-, -CH2OCF2CHFOCF2CF2CF2-、 -CH2OCH2CF2CF2OCF2-、 -CH2OCH2CF2CF2OCF2CF2-、 -CH2OCH2CF2CF2OCF2CF2CF2-、 -CH2OCH2CF2CF2OCF(CF3)CF2OCF2-、 -CH2OCH2CF2CF2OCF(CF3)CF2OCF2CF2-、 -CH2OCH2CF2CF2OCF(CF3)CF2OCF2CF2CF2-、 -CH2OCH2CHFCF2OCF2-、 -CH2OCH2CHFCF2OCF2CF2-、 -CH2OCH2CHFCF2OCF2CF2CF2-、 -CH2OCH2CHFCF2OCF(CF3)CF2OCF2-、 -CH2OCH2CHFCF2OCF(CF3)CF2OCF2CF2-、 -CH2OCH2CHFCF2OCF(CF3)CF2OCF2CF2CF2-、 -CH2OCF2CHFOCF2CF2CF2-C(O)NH-CH2-、 -CH2OCH2(CH2)7CH2Si(OCH3)2OSi(OCH3)2(CH2)2Si(OCH3)2OSi(OCH3)2(CH2)2-、 -CH2OCH2CH2CH2Si(OCH3)2OSi(OCH3)2(CH2)3-、 -CH2OCH2CH2CH2Si(OCH2CH3)2OSi(OCH2CH3)2(CH2)3-、 -CH2OCH2CH2CH2Si(OCH3)2OSi(OCH3)2(CH2)2-、 -CH2OCH2CH2CH2Si(OCH2CH3)2OSi(OCH2CH3)2(CH2)2-、 -(CH2)2-Si(CH3)2-(CH2)2-、 -CH2-、 -(CH2)2-、 -(CH2)3-、 -(CH2)4-、 -(CH2)5-, -(CH2)6-, -CO-, -CONH-, -CONH-CH2-, -CONH-(CH2)2-, -CONH-(CH2)3-, -CONH-(CH2)4-, -CONH-(CH2)5-, -CONH-(CH2)6-, -CON(CH3)-CH2-, -CON(CH3)-(CH2)2-, -CON(CH3)-(CH2)3-, -CON(CH3)-(CH2)4-, -CON(CH3)-(CH2)5-, -CON(CH3)-(CH2)6-, -CON(Ph)-CH2- (where Ph represents phenyl), -CON(Ph)-(CH2)2- (wherein Ph means phenyl), -CON(Ph)-(CH2)3-(wherein Ph represents phenyl), -CON(Ph)-(CH2)4-(wherein Ph represents phenyl), -CON(Ph)-(CH2)5-(wherein Ph represents phenyl), -CON(Ph)-(CH2)6-(wherein Ph represents phenyl), -CONH-(CH2)2NH(CH2)3-, -CONH-(CH2)6NH(CH2)3-, -CH2O-CONH-(CH2)3-, -CH2O-CONH-(CH2)6-, -S-(CH2)3-, -(CH2)2S(CH2)3-, -CONH-(CH2)3Si(CH3)2OSi(CH3)2(CH2)2-, -CONH-(CH2)3Si(CH3)2OSi(CH3)2OSi(CH3)2(CH2)2-, -CONH-(CH2)3Si(CH3)2O(Si(CH3)2O)2Si(CH3)2(CH2)2-, -CONH-(CH2)3Si(CH3)2O(Si(CH3)2O)3Si(CH3)2(CH2)2-, -CONH-(CH2)3Si(CH3)2O(Si(CH3)2O) 10 Si(CH3)2(CH2)2-, -CONH-(CH2)3Si(CH3)2O(Si(CH3)2O) 20 Si(CH3)2(CH2)2-, -C(O)O-(CH2)3-, -C(O)O-(CH2)6-, -CH2-O-(CH2)3-Si(CH3)2-(CH2)2-Si(CH3)2-(CH2)2-, -CH2-O-(CH2)3-Si(CH3)2-(CH2)2-Si(CH3)2-CH(CH3)-, -CH2-O-(CH2)3-Si(CH3)2-(CH2)2-Si(CH3)2-(CH2)3-, -CH2-O-(CH2)3-Si(CH3)2-(CH2)2-Si(CH3)2-CH(CH3)-CH2-, -OCH2-, -O(CH2)3-, -OCFHCF2-, [ka] These are some examples.

[0268] In yet another embodiment, X A These are independent of each other, and the formula is:-(R 16 ) x1 -(CFR 17 ) y1 -(CH2) z1 This is a base represented by -. In the formula, x1, y1, and z1 are each independent integers between 0 and 10, the sum of x1, y1, and z1 is 1 or greater, and the order of existence of each repeating unit enclosed in parentheses is arbitrary in the formula.

[0269] In the above formula, R 16 These are, independently, an oxygen atom, phenylene, carbasoliene, and -NR. 18 -(In the formula, R 18 R represents a hydrogen atom or an organic group) or a divalent organic group. Preferably, 18 This is an oxygen atom or a divalent polar group.

[0270] The above-mentioned "divalent polar group" is not particularly limited, but includes -C(O)-, -C(=NR 19 )-, and -C(O)NR 19 -(In these formulas, R 19 Examples include a hydrogen atom or a lower alkyl group. The "lower alkyl group" is, for example, an alkyl group having 1 to 6 carbon atoms, such as methyl, ethyl, or n-propyl, which may be substituted with one or more fluorine atoms.

[0271] In the above formula, R 17 Each of these is independently a hydrogen atom, a fluorine atom, or a lower fluoroalkyl group, preferably a fluorine atom. The "lower fluoroalkyl group" is, for example, a fluoroalkyl group having 1 to 6 carbon atoms, preferably 1 to 3 carbon atoms, preferably a perfluoroalkyl group having 1 to 3 carbon atoms, more preferably a trifluoromethyl group, a pentafluoroethyl group, and even more preferably a trifluoromethyl group.

[0272] Furthermore, the above X A In each equation, the left side is R FA1 or R FA2 Combined, the right side is R Si Combine.

[0273] In yet another embodiment, X A Examples include the following bases: [ka] [In the formula, R 41 Each of these independently consists of a hydrogen atom, a phenyl group, an alkyl group having 1 to 6 carbon atoms, or C1-6 The alkoxy group is preferably a methyl group. each X A In the base, any some of T are R of the molecular backbone. FA1 or R FA2 The following groups that bind to them: -CH2O(CH2)2-, -CH2O(CH2)3-, -CF2O(CH2)3-, -(CH2)2-, -(CH2)3-, -(CH2)4-, -CONH-(CH2)3-, -CON(CH3)-(CH2)3-, -CON(Ph)-(CH2)3- (wherein Ph means phenyl), or [ka] [In the formula, R 42 These are, independently, hydrogen atoms and C 1-6 alkyl group or C 1-6 This represents an alkoxy group, preferably a methyl group or a methoxy group, more preferably a methyl group. And some of the other T's are R's of the molecular backbone. Si If bonded, the remaining T, if present, independently consists of a methyl group, a phenyl group, and C. 1-6 It is an alkoxy group, a radical scavenging group, or an ultraviolet absorbing group.

[0274] The radical scavenging group is not particularly limited as long as it can capture radicals generated by light irradiation, but examples include residues of benzophenones, benzotriazoles, benzoic acid esters, phenyl salicylates, crotonic acids, malonic acid esters, organoacrylates, hindered amines, hindered phenols, or triazines.

[0275] The ultraviolet absorbing group is not particularly limited as long as it can absorb ultraviolet light, but examples include residues of benzotriazoles, hydroxybenzophenones, substituted and unsubstituted benzoic acid or salicylic acid compounds, acrylates or alkoxycinnamates, oxamides, oxanilides, benzoxazinones, and benzoxazoles.

[0276] In a preferred embodiment, preferred radical scavenging groups or ultraviolet absorbing groups are: [ka] These are some examples.

[0277] In this embodiment, X A Each of these can independently be a 3- to 10-valent group.

[0278] In yet another embodiment, X A Examples include the following bases: [ka] [In the formula, R 25 , R 26 and R 27 These are each independently 2-6 valent organic groups, R 25 is at least one R FA1 or R FA2 Combined with R 26 and R 27 Each of these has at least one R Si [Combine with...]

[0279] In one embodiment, R 25 C is a single bond. 1-20 Alkylene group, C 3-20 Cycloalkylene group, C 5-20 Arylene group, -R 57 -X 58 -R 59 -, -X 58 -R 59 -, or -R 57 -X 58- is the case. Above, R 57 and R 59 Each of them is independently a single bond, C 1-20 Alkylene group, C 3-20 Cycloalkylene group, or C 5-20 It is an arylene group. 58 These are -O-, -S-, -CO-, -O-CO-, or -COO-.

[0280] In one embodiment, R 26 and R 27 Each is independently a hydrocarbon, or a group having at least one atom selected from N, O, and S in the end or main chain of a hydrocarbon, preferably C 1-6 alkyl group, -R 36 -R 37 -R 36 -, -R 36 -CHR 38 2- are examples. Here, R 36 Each of these is independently a single bond or an alkyl group having 1 to 6 carbon atoms, preferably an alkyl group having 1 to 6 carbon atoms. 37 R is N, O, or S, preferably N or O. 38 is, -R 45 -R 46 -R 45 -, -R 46 -R 45 -or-R 45 -R 46 - is the case. Here, R 45 Each of these is an alkyl group having 1 to 6 carbon atoms. 46 is N, O, or S, and preferably O.

[0281] In this embodiment, X A Each of these can independently be a 3- to 10-valent group.

[0282] In yet another embodiment, X A The following: [ka] [where, X aThis refers to a single-bonded or divalent organic group. It is a base represented by .

[0283] The above X a X is a single bond or a divalent linking group that is directly bonded to an isocyanuric ring. a Preferably, the group is a divalent group containing a single bond, an alkylene group, or at least one bond selected from the group consisting of an ether bond, an ester bond, an amide bond, and a sulfide bond. More preferably, the group is a divalent hydrocarbon group having 1 to 10 carbon atoms containing a single bond, an alkylene group having 1 to 10 carbon atoms, or at least one bond selected from the group consisting of an ether bond, an ester bond, an amide bond, and a sulfide bond.

[0284] X a The formula is as follows: -(CX 121 X 122 ) x1 -(X a1 ) y1 -(CX 123 X 124 ) z1 - (In the formula, X 121 ~X 124 These are H, F, OH, or -OSi(OR) respectively, independently. 121 )3(In the formula, three R 121 These are, independently, alkyl groups having 1 to 4 carbon atoms. The above X a1 These are -C(=O)NH-, -NHC(=O)-, -O-, -C(=O)O-, -OC(=O)-, -OC(=O)O-, or -NHC(=O)NH- (where the left side of each bond is CX). 121 X 122 It joins to ( ). x1 is an integer between 0 and 10, y1 is 0 or 1, and z1 is an integer between 1 and 10. A group represented by is even more preferable.

[0285] The above X a1 -O- or -C(=O)O- are preferred.

[0286] The above X a The formula is as follows: -(CF2) m11 -(CH2) m12 -O-(CH2) m13 - (In the formula, m11 is an integer between 1 and 3, m12 is an integer between 1 and 3, and m13 is an integer between 1 and 3.) A base represented by -(CF2) m14 -(CH2) m15 -O-CH2CH(OH)-(CH2) m16 - (In the formula, m14 is an integer between 1 and 3, m15 is an integer between 1 and 3, and m16 is an integer between 1 and 3.) A base represented by -(CF2) m17 -(CH2) m18 - (In the formula, m17 is an integer between 1 and 3, and m18 is an integer between 1 and 3.) A base represented by -(CF2) m19 -(CH2) m20 -O-CH2CH(OSi(OCH3)3)-(CH2) m21 - (In the formula, m19 is an integer between 1 and 3, m20 is an integer between 1 and 3, and m21 is an integer between 1 and 3.) A base represented by, -(CH2) m22 - (In the formula, m22 is an integer between 1 and 3.) A group represented by is particularly preferred.

[0287] The above X a While not particularly limited, specifically, -CH2-, -C2H4-, -C3H6-, -C4H8-, -C4H8-O-CH2-, -CO-O-CH2-CH(OH)-CH2-, -(CF2) n5 -(n5 is an integer between 0 and 4.), -(CF2) n5 -(CH2) m5-(n5 and m5 are integers between 0 and 4, respectively), -CF2CF2CH2OCH2CH(OH)CH2-, -CF2CF2CH2OCH2CH(OSi(OCH3)3)CH2- These are some examples.

[0288] In this embodiment, X A Each of these can independently be a divalent or trivalent group.

[0289] In one embodiment, the fluoropolyether group-containing silane compound represented by formula (A1) or formula (A2) does not contain a siloxane bond (-Si-O-Si-).

[0290] The fluoropolyether group-containing silane compound represented by formula (A1) or formula (A2) is not particularly limited, but is 5 × 10 2 ~1 × 10 5 It may have a number average molecular weight of 2,000 to 32,000, more preferably 2,500 to 12,000, from the viewpoint of friction durability. The number average molecular weight of the fluoropolyether group-containing silane compound is 19 The value shall be measured by 1F-NMR.

[0291] In one embodiment, the number-average molecular weight of the fluoropolyether group-containing silane compound represented by formula (A1) or formula (A2) may be 500 to 30,000, preferably 1,000 to 20,000, more preferably 2,000 to 15,000, and even more preferably 2,000 to 10,000, for example, 3,000 to 6,000.

[0292] In another embodiment, the number-average molecular weight of the fluoropolyether group-containing silane compound represented by formula (A1) or formula (A2) may be 4,000 to 30,000, preferably 5,000 to 10,000, and more preferably 6,000 to 10,000.

[0293] In one embodiment, the fluoropolyether group-containing silane compound in the surface treatment agent of the present disclosure is a compound represented by formula (A1).

[0294] In another embodiment, the fluoropolyether group-containing silane compound in the surface treatment agent of the present disclosure is a compound represented by formula (A2).

[0295] In another embodiment, the fluoropolyether group-containing silane compounds in the surface treatment agents of the present disclosure are the compound represented by formula (A1) and the compound represented by formula (A2).

[0296] In another embodiment, in the surface treatment agent of the present disclosure, the compound represented by formula (A1) and the compound represented by formula (A2) may be partially condensed with each other or with respect to each other. That is, the compounds represented by formula (A1) may exist in a partially condensed state with each other, with each other, or with each other. Accordingly, the surface treatment agent of the present disclosure may contain a partial condensate of the compound represented by formula (A1), a partial condensate of the compound represented by formula (A2), or a partial condensate of the compound represented by formula (A1) and the compound represented by formula (A2).

[0297] In the surface treatment agent of this disclosure, the compound represented by formula (A2) is preferably 0.1 mol% or more and 35 mol% or less relative to the total amount of the compound represented by formula (A1) and the compound represented by formula (A2). The lower limit of the content of the compound represented by formula (A2) relative to the total amount of the compounds represented by formula (A1) and the compound represented by formula (A2) is preferably 0.1 mol%, more preferably 0.2 mol%, even more preferably 0.5 mol%, even more preferably 1 mol%, particularly preferably 2 mol%, and especially possibly 5 mol%. The upper limit of the content of the compound represented by formula (A2) relative to the total amount of the compounds represented by formula (A1) and the compound represented by formula (A2) is preferably 35 mol%, more preferably 30 mol%, even more preferably 20 mol%, and even more preferably 15 mol% or 10 mol%. The amount of the compound represented by formula (A2) relative to the sum of the compound represented by formula (A1) and the compound represented by formula (A2) is preferably 0.1 mol% to 30 mol%, more preferably 0.1 mol% to 20 mol%, even more preferably 0.2 mol% to 10 mol%, even more preferably 0.5 mol% to 10 mol%, and particularly preferably 1 mol% to 10 mol%, for example, 2 mol% to 10 mol% or 5 mol% to 10 mol%. By setting the compound represented by formula (A2) within this range, frictional durability can be further improved.

[0298] The compounds represented by the above formulas (A1) or (A2) can be obtained, for example, by the methods described in Patent Document 1, International Publication No. 2006 / 10708, Japanese Patent Application Publication No. 2019-183160, etc.

[0299] (Oxyalkylene amide compound containing a fluoropolyether group) The above-mentioned fluoropolyether group-containing oxyalkyleneamide compound is a compound containing an amide group having an oxyalkylene group and a fluoropolyether group.

[0300] The surface treatment agent disclosed herein contains a fluoropolyether group-containing oxyalkyleneamide compound (component B) in addition to the fluoropolyether group-containing silane compound (component A), thereby further improving friction durability.

[0301] In one embodiment, the fluoropolyether group-containing oxyalkyleneamide compound is of formula (B1) or (B2): [ka] [In formula: R FB1 Rf 1 -R F -O q -and, R FB2 -Rf 2 p -R F -O q -and, R F These are, independently, divalent fluoropolyether groups, Rf 1 C may be substituted with one or more fluorine atoms. 1-16 It is an alkyl group, Rf 2 C may be substituted with one or more fluorine atoms. 1-6 It is an alkylene group, p is either 0 or 1, q is either 0 or 1, independently of each other. X B Each of these is independently a single bond or a divalent group. R B1 Each of these is independently an oxyalkylene-containing group, R B2 Each of these is independently a hydrogen atom, an oxyalkylene-containing group, or a monovalent hydrocarbon group. It is a compound represented by [formula].

[0302] In equation (B1), R FB1 Rf 1 -R F-O q - is

[0303] In equation (B2), R FB2 -Rf 2 p -R F -O q - is

[0304] R in equations (B1) and (B2) FB1 and R FB2 These are R in equations (A1) and (A2), respectively. FA1 and R FA2 This corresponds to Rf in equations (B1) and (B2). 1 -R F -O q -and-Rf 2 p -R F -O q - represents Rf in equations (A1) and (A2). 1 -R F -O q -and-Rf 2 p -R F -O q - is synonymous with and may have the same characteristics. Note that in the surface treatment agent, R FB1 and R FA1 , and R FA2 and R FB2 These may be the same or different.

[0305] In equations (B1) and (B2), X B Each of these is independently a single bond or a divalent group. In the following, X B The left side is R FB1 or R FB2 Combine.

[0306] The above-mentioned divalent group is preferably an oxygen atom, a sulfur atom, NH, CO, or a divalent organic group, more preferably an oxygen atom or a divalent organic group, and more preferably a divalent organic group.

[0307] In one embodiment, X BThese are, independently, single bonds, or -(R 67 ) b1 -(R 68 ) b2 - [In formula: R 67 Each of them is independent of C 1-6 It is an alkylene group, R 68 These are, independently, an oxygen atom, a sulfur atom, CO, and NR. 69 CONR 69 , NR 69 CO, or C 6-12 It is an arylene group, R 69 Each of these is independently a hydrogen atom, or C 1-6 It is an alkyl group, b1 is an integer between 0 and 6. b2 is an integer between 0 and 6. The sum of b1 and b2 is 1 or greater. The order in which each repeating unit, denoted by b1 or b2 and enclosed in parentheses, exists is arbitrary within the expression. It is a base represented by .

[0308] X B Each of these is independently, preferably a single bond, C 1-6 Alkylene group, or -R 64 -OR 65 - is R 64 is a single bond, or C 1-6 It is an alkylene group; R 65 is a single bond, or C 1-6 It is an alkylene group.

[0309] In one embodiment, X B Each of these is independently a single bond, or C 1-6 It is an alkylene group.

[0310] In another embodiment, X B Each of these is independent and forms a single bond.

[0311] In another embodiment, X BEach of them is independent of C 1-6 It is an alkylene group.

[0312] The above X B These are, independently, a fluorine atom and a carbon atom. 1-3 Alkyl and C 1-3 Fluoroalkyl groups (preferably C 1-3 It may be substituted with one or more substituents selected from perfluoroalkyl groups. In one embodiment, X B This is a non-substitution.

[0313] In equations (B1) and (B2), R B1 Each of these is independently an oxyalkylene-containing group, and R B2 Each of these is independently a hydrogen atom, an oxyalkylene-containing group, or a monovalent hydrocarbon group.

[0314] In one embodiment, R B2 Each of these is independently an oxyalkylene-containing group or a monovalent hydrocarbon group.

[0315] In a preferred embodiment, R B2 These are, independently, oxyalkylene-containing groups.

[0316] The above-mentioned oxyalkylene-containing group refers to a group containing an oxyalkylene group (-O-alkylene group).

[0317] The above oxyalkylene-containing group is preferably of the following formula: -R 61 -(OR 63 ) b3 -R 62 , or -X E (-R 61 -(OR 63 ) b3 -R 62 ) r2 [In formula: R 61 Each of these is independently a single bond, or C 1-6It is an alkylene group, R 62 These are, independently, hydrogen atoms and C 1-6 Alkyl alkyl group, or C 1-6 It is an alkoxy group, R 63 Each of them is independent of C 1-6 It is an alkylene group, b3 are each an independent integer between 1 and 6. X E It is a 3-10 valent group, r² is an integer between 2 and 9, and X E It is 1 less than the valence of [the variable]. It is a base represented by .

[0318] In a preferred embodiment, the oxyalkylene-containing group is -R 61 -(OR 63 ) b3 -R 62 That is the case.

[0319] In another embodiment, the oxyalkylene-containing group is -X E (-R 61 -(OR 63 ) b3 -R 62 ) r2 That is the case.

[0320] In the above formula, R 61 is a single bond, or C 1-6 It is an alkylene group.

[0321] In one embodiment, R 61 It is a single bond.

[0322] In another embodiment, R 61 C 1-6 It is an alkylene group.

[0323] The above R 61 C in 1-6 The alkylene group may be linear or branched. In one embodiment, R 61 C in 1-6The alkylene group is linear. In another embodiment, R 61 C in 1-6 Alkylene groups are branched chains.

[0324] The above R 61 C in 1-6 The alkylene group is preferably C 1-4 Alkylene group, more preferably C 1-3 It is an alkylene group.

[0325] In the above formula, R 62 These are, independently, hydrogen atoms and C 1-6 Alkyl alkyl group, or C 1-6 It is an alkoxy group.

[0326] In one embodiment, R 62 This is a hydrogen atom.

[0327] In another embodiment, R 62 C 1-6 It is an alkyl group.

[0328] In another embodiment, R 62 C 1-6 It is an alkoxy group.

[0329] The above R 62 C in 1-6 The alkyl group may be linear or branched. In one embodiment, R 62 C in 1-6 Alkyl groups are linear. In another embodiment, R 62 C in 1-6 Alkyl groups are branched chains.

[0330] The above R 62 C in 1-6 The alkyl group is preferably C 1-4 Alkyl alkyl groups, more C 1-3 It is an alkyl group.

[0331] The above R 62 C in 1-6The alkoxy group may be linear or branched. In one embodiment, R 62 C in 1-6 The alkoxy group is linear. In another embodiment, R 62 C in 1-6 An alkoxy group is a branched chain.

[0332] The above R 62 C in 1-6 The alkoxy group is preferably C 1-4 Alkoxy group, more preferably C 1-3 It is an alkoxy group.

[0333] In the above formula, R 63 Each of them is independent of C 1-6 It is an alkylene group.

[0334] R 63 C in 1-6 The alkylene group may be linear or branched. In one embodiment, R 63 C in 1-6 The alkylene group is linear. In another embodiment, R 63 C in 1-6 Alkylene groups are branched chains.

[0335] C above 1-6 The alkylene group is preferably C 1-3 Alkylene group, more preferably C 2-3 It is an alkylene group.

[0336] b3 may be an integer between 1 and 6, preferably an integer between 1 and 4, for example, an integer between 1 and 3, 1 and 2, or 2 and 4.

[0337] In the above formula, X E This is a 3- to 10-valent group, preferably a 3- to 6-valent group.

[0338] The above-mentioned 3- to 10-valent groups may preferably be 3- to 10-valent hydrocarbon groups, and more preferably 3- to 6-valent hydrocarbon groups.

[0339] X E Preferably, these may be trivalent groups such as CH, CH2CHCH2, CH3CH2C(CH2)3, tetravalent groups such as C(CH2)4, or hexavalent groups such as CH2[CH]4CH2.

[0340] In the above equation, r2 is X E It is a value one less than the valence of and is an integer between 2 and 9, preferably an integer between 2 and 6, for example, 3 or 4.

[0341] The number-average molecular weight of the fluoropolyether group-containing oxyalkyleneamide compound represented by formula (B1) or (B2) is not particularly limited, but is 5 × 10⁻⁶. 2 ~1 × 10 5 It may have a number average molecular weight of 1,000 to 20,000, more preferably 2,000 to 10,000, from the viewpoint of friction durability. The number average molecular weight of the fluoropolyether group-containing oxyalkyleneamide compound is 19 The value shall be measured by 1F-NMR.

[0342] Amide compounds can be synthesized, for example, as follows:

[0343] The following formula (1a) or (2a): R FB1 -X B -COOH (1a) HOOC-X B -R FB2 -X B -COOH (2a) [In the formula, each symbol has the same meaning as above.] The compound represented by is reacted with a halogenating agent to obtain the following formula (1b) or (2b): R FB1 -X B -COR H (1b) R H OC-X B -R FB2 -X B -COR H (2b) [In formula: R H This is a halogen atom, preferably a chlorine atom. R FB1 , R FB2 , and X B This is synonymous with the above. A compound represented by is obtained.

[0344] Examples of the halogenating agents mentioned above include thionyl chloride and oxalyl chloride.

[0345] Next, the compound represented by formula (1b) or (2b) obtained above is given the following formula: HNR B1 R B2 [In the formula, each symbol has the same meaning as above.] It can be obtained by causing a reaction.

[0346] In one embodiment, the fluoropolyether group-containing oxyalkyleneamide compound in the surface treatment agent of the present disclosure is a compound represented by formula (B1).

[0347] In another embodiment, the fluoropolyether group-containing oxyalkyleneamide compound in the surface treatment agent of the present disclosure is a compound represented by formula (B2).

[0348] In another embodiment, the fluoropolyether group-containing oxyalkyleneamide compounds in the surface treatment agents of the present disclosure are the compounds represented by formula (B1) and the compounds represented by formula (B2).

[0349] In another embodiment, in the surface treatment agent of the present disclosure, the compound represented by formula (B1) and the compound represented by formula (B2) may be partially condensed with each other or with respect to each other. That is, the compounds represented by formula (B1) may exist in a partially condensed state with each other, with each other, or with each other. Accordingly, the surface treatment agent of the present disclosure may contain a partial condensate of the compound represented by formula (B1), a partial condensate of the compound represented by formula (B2), or a partial condensate of the compound represented by formula (B1) and the compound represented by formula (B2).

[0350] The content of component (B) may preferably be 1% by mass or more, more preferably 5% by mass or more, and even more preferably 10% by mass or more, relative to the total of components (A) and (B). Alternatively, the content of component (B) may preferably be 70% by mass or less, more preferably 60% by mass or less, even more preferably 35% by mass or less, even more preferably 25% by mass or less, and particularly preferably 20% by mass or less, relative to the total of components (A) and (B). By including component (B) in the above amounts, a surface treatment layer with excellent friction resistance can be obtained.

[0351] In one embodiment, the content of component (B) is preferably 1 to 70% by mass, more preferably 1 to 50% by mass, and even more preferably 5 to 50% by mass, relative to the total of component (A) and component (B).

[0352] In the surface treatment agent, the total concentration of component (A) and component (B) is preferably 0.1 to 99.9% by mass, more preferably 1.0 to 50% by mass, even more preferably 5.0 to 30% by mass, and even more preferably 5.0 to 15% by mass.

[0353] In the surface treatment agent of this disclosure, component (A) and component (B) may exist in a partially condensed state. That is, the surface treatment agent of this disclosure may contain a partially condensed product of component (A) and component (B).

[0354] (Other ingredients) The surface treatment agents disclosed herein may include solvents, alcohols, fluoropolyether compounds (non-reactive) that can be understood as fluorine-containing oils, preferably perfluoropolyether compounds (hereinafter collectively referred to as "fluorine-containing oils"), silicone compounds (non-reactive) that can be understood as silicone oils (hereinafter referred to as "silicone oils"), compatibilizers, catalysts, surfactants, polymerization inhibitors, sensitizers, and the like.

[0355] Examples of the above solvents include aliphatic hydrocarbons such as hexane, cyclohexane, heptane, octane, nonane, decane, undecane, dodecane, and mineral spirits; aromatic hydrocarbons such as benzene, toluene, xylene, naphthalene, and solvent naphtha; methyl acetate, ethyl acetate, propyl acetate, n-butyl acetate, isopropyl acetate, isobutyl acetate, cellosolve acetate, propylene glycol methyl ether acetate, carbitol acetate, diethyl oxalate, ethyl pyruvate, ethyl-2-hydroxybutyrate, ethyl acetate acetate, and vinegar. Esters such as amyl acid, methyl lactate, ethyl lactate, methyl 3-methoxypropionate, ethyl 3-methoxypropionate, methyl 2-hydroxyisobutyrate, and ethyl 2-hydroxyisobutyrate; ketones such as acetone, methyl ethyl ketone, methyl isobutyl ketone, 2-hexanone, cyclohexanone, methylaminoketone, and 2-heptanone; ethyl cellosolve, methyl cellosolve, methyl cellosolve acetate, ethyl cellosolve acetate, propylene glycol monomethyl ether, propylene glycol monoethyl ether, and propylene glycol Glycol ethers such as monobutyl ether, propylene glycol monomethyl ether acetate, propylene glycol monoethyl ether acetate, propylene glycol monobutyl ether acetate, dipropylene glycol dimethyl ether, and ethylene glycol monoalkyl ether; alcohols such as methanol, ethanol, iso-propanol, n-butanol, isobutanol, tert-butanol, sec-butanol, 3-pentanol, octyl alcohol, 3-methyl-3-methoxybutanol, and tert-amyl alcohol; glycols such as ethylene glycol and propylene glycol; cyclic ethers such as tetrahydrofuran, tetrahydropyran, and dioxane; amides such as N,N-dimethylformamide, N,N-dimethylacetamide, and N-methylpyrrolidone; ether alcohols such as methyl cellosolve, cellosolve, isopropyl cellosolve, butyl cellosolve, and diethylene glycol monomethyl ether; diethylene glycol monoethyl ether acetate; and polyfluoroaromatic hydrocarbons (e.g., 1,3-bis(trifluoromethyl)benzene).Polyfluoroaliphatic hydrocarbons (e.g., C6F; 13 CH2CH3 (for example, Asahi Clean® AC-6000 manufactured by Asahi Glass Co., Ltd.), C6F 13H (for example, AsahiClean® AC-2000 manufactured by Asahi Glass Co., Ltd.), 1,1,2,2,3,3,4-heptafluorocyclopentane (for example, Zeolora® H manufactured by Nippon Zeon Co., Ltd.); fluorinated hydrocarbons such as 1,1,2-trichloro-1,2,2-trifluoroethane, 1,2-dichloro-1,1,2,2-tetrafluoroethane, 1,1-dichloro-1,2,2,3,3-pentafluoropropane (HCFC225), and 1,3-bis(trifluoromethyl)benzene; CF3CH2OH, CF3CF2CH2OH, (CF 3) Fluorine-containing alcohols such as 2CHOH; 1,1,2,3,3,3-Hexafluoropropyl methyl ether (CF3CFHCF2OCH3) (HFE-356mec) hydrofluoroether (HFE) (e.g., perfluoropropyl methyl ether (C3F7OCH3) (e.g., Novec® 7000 manufactured by Sumitomo 3M Co., Ltd.), perfluorobutyl methyl ether (C4F9OCH3) (e.g., Novec® 7100 manufactured by Sumitomo 3M Co., Ltd.), perfluorobutyl ethyl ether (C4F9OC2H5) (e.g., Alkyl perfluoroalkyl ethers such as Novec® 7200 (manufactured by Sumitomo 3M Limited), perfluorohexyl methyl ether (C2F5CF(OCH3)C3F7) (e.g., Novec® 7300 (manufactured by Sumitomo 3M Limited)) (the perfluoroalkyl group and alkyl group may be linear or branched), or CF3CH2OCF2CHF2 (e.g., AsahiClean® AE-3000 (manufactured by Asahi Glass Co., Ltd.)), hydrofluoroolefins; CF3CH=CHCl (e.g., manufactured by Central Glass Co., Ltd.) Ethers such as CELEFIN (registered trademark) 1233Z), CHF2CF=CHCl (for example, AMOLEA (registered trademark) AS-300 manufactured by Asahi Glass Co., Ltd.), cyclopentyl methyl ether; siloxanes such as hexamethyldisiloxane, hexaethyldisiloxane, octamethyltrisiloxane, octamethylcyclotetrasiloxane, octamethylcyclopentasiloxane, decamethylcyclopentasiloxane, decamethyltetrasiloxane, dodecamethylpentasiloxane, tetradecamethylhexasiloxane; dimethyl sulfoxide, etc.These solvents can be used individually or as a mixture of two or more. Glycol ethers, alcohols, ether alcohols, and siloxanes are particularly preferred. For example, propylene glycol monomethyl ether, propylene glycol monoethyl ether, propylene glycol monobutyl ether, methanol, ethanol, iso-propanol, n-butanol, isobutanol, tert-butanol, sec-butanol, diethylene glycol monomethyl ether, hexamethyldisiloxane, hexaethyldisiloxane, octamethyltrisiloxane, decamethyltetrasiloxane, dodecamethylpentasiloxane, tetradecamethylhexasiloxane, octamethylcyclotetrasiloxane, and octamethylcyclopentasiloxane are particularly preferred.

[0356] Examples of the alcohols mentioned above include C1-C6 alcohols which may be substituted with one or more fluorine atoms, such as methanol, ethanol, iso-propanol, tert-butanol, CF3CH2OH, CF3CF2CH2OH, (CF3)2CHOH, H(CF2CF2)CH2OH, H(CF2CF2)2CH2OH, and H(CF2CF2)3CH2OH. Adding these alcohols to the surface treatment agent improves the stability of the surface treatment agent and also improves the compatibility of components (A) and (B) with the solvent.

[0357] In a preferred embodiment, the surface treatment agent of the present disclosure comprises a solvent and an alcohol.

[0358] The alcohol content is preferably 0.1 to 50% by mass, more preferably 0.5 to 30% by mass, even more preferably 1.0 to 20% by mass, and even more preferably 2.0 to 10% by mass, relative to the total amount of solvent and alcohol.

[0359] Fluorine-containing oils are not particularly limited, but examples include compounds represented by the following general formula (3) (perfluoropolyether compounds). Rf 5-(OC4F8) a’ -(OC3F6) b’ -(OC2F4) c’ -(OCF2) d’ -Rf 6 ...(3) In the formula, Rf 5 C1-16 alkyl group (preferably C) may be substituted with one or more fluorine atoms. 1―16 Rf represents a perfluoroalkyl group. 6 C1-16 alkyl group (preferably C) may be substituted with one or more fluorine atoms. 1-16 Rf represents a perfluoroalkyl group, a fluorine atom, or a hydrogen atom. 5 and Rf 6 More preferably, each independently, C 1-3 It is a perfluoroalkyl group. a', b', c', and d' represent the number of repeating units of the four types of perfluoropolyether that constitute the main backbone of the polymer, and are independent integers between 0 and 300, with the sum of a', b', c', and d' being at least 1, preferably 1 to 300, and more preferably 20 to 300. The order of existence of each repeating unit enclosed in parentheses with the subscripts a', b', c', or d' is arbitrary in the formula. Of these repeating units, -(OC4F8)- may be any of -(OCF2CF2CF2CF2)-, -(OCF(CF3)CF2CF2)-, -(OCF2CF(CF3)CF2)-, -(OCF2CF2CF(CF3))-, -(OC(CF3)2CF2)-, -(OCF2C(CF3)2)-, -(OCF(CF3)CF(CF3))-, -(OCF(C2F5)CF2)-, and (OCF2CF(C2F5))-, but preferably -(OCF2CF2CF2CF2)-. -(OC3F6)- may be any of -(OCF2CF2CF2)-, -(OCF(CF3)CF2)-, and (OCF2CF(CF3))-, but preferably -(OCF2CF2CF2)-. -(OC2F4)- may be either -(OCF2CF2)- or (OCF(CF3))-, but is preferably -(OCF2CF2)-.

[0360] Examples of perfluoropolyether compounds represented by the above general formula (3) include compounds represented by either of the following general formulas (3a) and (3b) (which may be one or a mixture of two or more). Rf 5 -(OCF2CF2CF2) b” -Rf 6 ...(3a) Rf 5 -(OCF2CF2CF2CF2) a” -(OCF2CF2CF2) b” -(OCF2CF2) c” -(OCF2) d” -Rf 6 ...(3b) In these equations, Rf 5 and Rf 6 As stated above, in equation (3a), b'' is an integer between 1 and 100; in equation (3b), a'' and b'' are independently integers between 0 and 30, and c'' and d'' are independently integers between 1 and 300. The order of existence of each repeating unit enclosed in parentheses with subscripts a'', b'', c'', and d'' is arbitrary within the equation.

[0361] From another perspective, fluorine-containing oils have the general formula Rf 3 -F(where Rf 3 is C 5-16 It may be a compound represented as a perfluoroalkyl group. It may also be a chlorotrifluoroethylene oligomer.

[0362] The above-mentioned fluorine-containing oil may have an average molecular weight of 500 to 10000. The molecular weight of the fluorine-containing oil can be measured using GPC.

[0363] Fluorine-containing oil may be present in the surface treatment agent of the present disclosure in an amount of, for example, 0 to 50% by mass, preferably 0 to 30% by mass, and more preferably 0 to 5% by mass. In one embodiment, the surface treatment agent of the present disclosure is substantially free of fluorine-containing oil. Substantially free of fluorine-containing oil means that it is completely free of fluorine-containing oil or may contain trace amounts of fluorine-containing oil.

[0364] In one embodiment, the average molecular weight of the fluorine-containing oil may be greater than the average molecular weight of the fluoropolyether group-containing silane compound. By using such an average molecular weight, better frictional durability and surface lubricity can be obtained, especially when forming a surface treatment layer by vacuum deposition.

[0365] In one embodiment, the average molecular weight of the fluorine-containing oil may be smaller than the average molecular weight of the fluoropolyether group-containing silane compound. By using such an average molecular weight, it is possible to form a cured product with high frictional durability and high surface slipperiness while suppressing a decrease in the transparency of the surface treatment layer obtained from such a compound.

[0366] Fluorine-containing oils contribute to improving the surface slipperiness of layers formed by the surface treatment agents of the present disclosure.

[0367] As the silicone oil mentioned above, for example, a linear or cyclic silicone oil with 2,000 or fewer siloxane bonds may be used. Linear silicone oils may be so-called straight silicone oils and modified silicone oils. Examples of straight silicone oils include dimethyl silicone oil, methylphenyl silicone oil, and methyl hydrogen silicone oil. Examples of modified silicone oils include straight silicone oils modified with alkyl, aralkyl, polyether, higher fatty acid ester, fluoroalkyl, amino, epoxy, carboxyl, alcohol, etc. Examples of cyclic silicone oils include cyclic dimethylsiloxane oil.

[0368] In the surface treatment agent of the present disclosure, such silicone oil may be included in an amount of, for example, 0 to 300 parts by mass, preferably 50 to 200 parts by mass, based on 100 parts by mass of the total amount of the fluoropolyether group-containing silane compounds of the present disclosure (the sum of these amounts if there are two or more types, and the same applies hereinafter).

[0369] Silicone oil contributes to improving the surface lubricity of the surface-treated layer.

[0370] Examples of the above-mentioned compatibilizers include fluorine-substituted alcohols such as 2,2,2-trifluoroethanol, 2,2,3,3,3-pentafluoro-1-propanol, or 2,2,3,3,4,4,5,5-octafluoro-1-pentanol, preferably fluorine-substituted alcohols with a CF2H terminus, fluorine-substituted aryls such as 1,3-bis(trifluoromethyl)benzene, and preferably fluorine-substituted benzenes.

[0371] Examples of catalysts include acids (e.g., acetic acid, trifluoroacetic acid, etc.), bases (e.g., ammonia, triethylamine, diethylamine, etc.), and transition metals (e.g., Ti, Ni, Sn, etc.).

[0372] The catalyst promotes the hydrolysis and dehydration condensation of the fluoropolyether group-containing silane compound of the present disclosure, thereby promoting the formation of the layer formed by the surface treatment agent of the present disclosure.

[0373] Other components besides those listed above include, for example, tetraethoxysilane, methyltrimethoxysilane, 3-aminopropyltrimethoxysilane, 3-glycidoxypropyltrimethoxysilane, and methyltriacetoxysilane.

[0374] The surface treatment agent disclosed herein can be formed into pellets by impregnating porous materials, such as porous ceramic materials, or metal fibers, such as steel wool compressed into a cotton-like form. These pellets can be used, for example, in vacuum deposition.

[0375] In addition to the components described above, the surface treatment agent disclosed herein may contain trace amounts of impurities such as Pt, Rh, Ru, 1,3-divinyltetramethyldisiloxane, triphenylphosphine, NaCl, KCl, and silane condensates.

[0376] (Goods) The articles of this disclosure are described below.

[0377] The articles of this disclosure include a substrate and a layer (surface treatment layer) formed on the surface of the substrate from the surface treatment agent of this disclosure.

[0378] The substrates usable in this disclosure may consist of, for example, glass, resin (natural or synthetic resin, such as common plastic materials), metal, ceramics, semiconductors (silicon, germanium, etc.), fibers (textiles, nonwovens, etc.), fur, leather, wood, ceramics, stone, building materials, sanitary products, or any other suitable material.

[0379] For example, if the article to be manufactured is an optical component, the material constituting the surface of the substrate may be an optical component material, such as glass or transparent plastic. Also, if the article to be manufactured is an optical component, some layer (or film), such as a hard coat layer or an anti-reflective layer, may be formed on the surface (outermost layer) of the substrate. Either a single-layer anti-reflective layer or a multi-layer anti-reflective layer may be used for the anti-reflective layer. Examples of inorganic materials that can be used for the anti-reflective layer include SiO2, SiO, ZrO2, TiO2, TiO, Ti2O3, Ti2O5, Al2O3, Ta2O5, Ta3O5, Nb2O5, HfO2, Si3N4, CeO2, MgO, Y2O3, SnO2, MgF2, and WO3. These inorganic materials may be used individually or in combination of two or more (for example, as a mixture). When a multi-layer anti-reflective layer is used, it is preferable to use SiO2 and / or SiO for the outermost layer. If the article to be manufactured is an optical glass component for a touch panel, a thin film using a transparent electrode, such as indium tin oxide (ITO) or indium zinc oxide, may be present on a portion of the surface of the substrate (glass). Furthermore, depending on its specific specifications, the substrate may have an insulating layer, an adhesive layer, a protective layer, a decorative frame layer (I-CON), an atomizing film layer, a hard coating film layer, a polarizing film, a phase difference film, and a liquid crystal display module.

[0380] The shape of the substrate is not particularly limited and may be, for example, a plate, a film, or other form. Furthermore, the surface area of ​​the substrate on which the surface treatment layer is to be formed may be at least a part of the substrate surface and can be appropriately determined according to the intended use and specific specifications of the article to be manufactured.

[0381] In one embodiment, the substrate may consist of a material that originally has hydroxyl groups, at least on its surface. Examples of such materials include glass, metals (especially base metals) on which a native oxide film or thermal oxide film is formed on the surface, ceramics, semiconductors, etc. Alternatively, if the material has insufficient hydroxyl groups, such as resins, or if it does not originally have hydroxyl groups, the substrate can be pretreated to introduce or increase hydroxyl groups on its surface. Examples of such pretreatment include plasma treatment (e.g., corona discharge) and ion beam irradiation. Plasma treatment can introduce or increase hydroxyl groups on the substrate surface and can also be suitably used to clean the substrate surface (remove foreign matter, etc.). Another example of such pretreatment is a method in which an interfacial adsorbent having carbon-carbon unsaturated bond groups is formed in the form of a monolayer on the substrate surface by the LB method (Langmuir-Bludget method) or chemical adsorption method, and then the unsaturated bonds are cleaved in an atmosphere containing oxygen or nitrogen.

[0382] In another embodiment, such a substrate may consist of a material in which at least its surface portion is made of another reactive group, such as a silicone compound having one or more Si-H groups, or an alkoxysilane.

[0383] In a preferred embodiment, the substrate is glass. Preferred glass includes sapphire glass, soda-lime glass, alkali aluminosilicate glass, borosilicate glass, alkali-free glass, crystal glass, and quartz glass, with chemically strengthened soda-lime glass, chemically strengthened alkali aluminosilicate glass, and chemically bonded borosilicate glass being particularly preferred.

[0384] The articles of this disclosure can be manufactured by forming a layer of the surface treatment agent of this disclosure on the surface of the substrate, and post-treating this layer as necessary, thereby forming a layer from the surface treatment agent of this disclosure.

[0385] Layer formation of the surface treatment agent of this disclosure can be carried out by applying the surface treatment agent to the surface of a substrate so as to cover the surface. The coating method is not particularly limited. For example, wet coating and dry coating methods can be used.

[0386] Examples of wet coating methods include immersion coating, spin coating, flow coating, spray coating, roll coating, gravure coating, and similar methods.

[0387] Examples of dry coating methods include vapor deposition (usually vacuum deposition), sputtering, CVD, and similar methods. Specific examples of vapor deposition methods (usually vacuum deposition) include resistance heating, electron beams, high-frequency heating using microwaves, ion beams, and similar methods. Specific examples of CVD methods include plasma-CVD, optical CVD, thermal CVD, and similar methods.

[0388] Furthermore, coating using the atmospheric pressure plasma method is also possible.

[0389] When using a wet coating method, the surface treatment agents of the present disclosure may be diluted with a solvent before being applied to the substrate surface. From the viewpoint of the stability of the composition of the present disclosure and the volatility of the solvent, the following solvents are preferably used: aliphatic hydrocarbons such as hexane, cyclohexane, heptane, octane, nonane, decane, undecane, dodecane, and mineral spirits; aromatic hydrocarbons such as benzene, toluene, xylene, naphthalene, and solvent naphtha; methyl acetate, ethyl acetate, propyl acetate, n-butyl acetate, isopropyl acetate, isobutyl acetate, cellosolve acetate, propylene glycol methyl ether acetate, and carboxymethyl acetate. Esters such as tol, diethyl oxalate, ethyl pyruvate, ethyl-2-hydroxybutyrate, ethyl acetoacetate, amyl acetate, methyl lactate, ethyl lactate, methyl 3-methoxypropionate, ethyl 3-methoxypropionate, methyl 2-hydroxyisobutyrate, and ethyl 2-hydroxyisobutyrate; ketones such as acetone, methyl ethyl ketone, methyl isobutyl ketone, 2-hexanone, cyclohexanone, methylaminoketone, and 2-heptanone; ethyl cellosol, methyl cellosol Glycol ethers such as methyl cellosolve acetate, ethyl cellosolve acetate, propylene glycol monomethyl ether, propylene glycol monoethyl ether, propylene glycol monobutyl ether, propylene glycol monomethyl ether acetate, propylene glycol monoethyl ether acetate, propylene glycol monobutyl ether acetate, dipropylene glycol dimethyl ether, and ethylene glycol monoalkyl ether; alcohols such as methanol, ethanol, iso-propanol, n-butanol, isobutanol, tert-butanol, sec-butanol, 3-pentanol, octyl alcohol, 3-methyl-3-methoxybutanol, and tert-amyl alcohol; glycols such as ethylene glycol and propylene glycol; cyclic ethers such as tetrahydrofuran, tetrahydropyran, and dioxane; amides such as N,N-dimethylformamide, N,N-dimethylacetamide, and N-methylpyrrolidone;Ether alcohols such as methyl cellosolve, cellosolve, isopropyl cellosolve, butyl cellosolve, and diethylene glycol monomethyl ether; diethylene glycol monoethyl ether acetate; polyfluoroaromatic hydrocarbons (e.g., 1,3-bis(trifluoromethyl)benzene); polyfluoroaliphatic hydrocarbons (e.g., C6F); 13 CH2CH3 (for example, Asahi Clean® AC-6000 manufactured by Asahi Glass Co., Ltd.), C6F 13H (for example, AsahiClean® AC-2000 manufactured by Asahi Glass Co., Ltd.), 1,1,2,2,3,3,4-heptafluorocyclopentane (for example, Zeolora® H manufactured by Nippon Zeon Co., Ltd.); fluorinated hydrocarbons such as 1,1,2-trichloro-1,2,2-trifluoroethane, 1,2-dichloro-1,1,2,2-tetrafluoroethane, 1,1-dichloro-1,2,2,3,3-pentafluoropropane (HCFC225), and 1,3-bis(trifluoromethyl)benzene; CF3CH2OH, CF3CF2CH2OH, (CF 3) Fluorine-containing alcohols such as 2CHOH; 1,1,2,3,3,3-Hexafluoropropyl methyl ether (CF3CFHCF2OCH3) (HFE-356mec) hydrofluoroether (HFE) (e.g., perfluoropropyl methyl ether (C3F7OCH3) (e.g., Novec® 7000 manufactured by Sumitomo 3M Co., Ltd.), perfluorobutyl methyl ether (C4F9OCH3) (e.g., Novec® 7100 manufactured by Sumitomo 3M Co., Ltd.), perfluorobutyl ethyl ether (C4F9OC2H5) (e.g., Alkyl perfluoroalkyl ethers such as Novec® 7200 (manufactured by Sumitomo 3M Limited), perfluorohexyl methyl ether (C2F5CF(OCH3)C3F7) (e.g., Novec® 7300 (manufactured by Sumitomo 3M Limited)) (the perfluoroalkyl group and alkyl group may be linear or branched), or CF3CH2OCF2CHF2 (e.g., AsahiClean® AE-3000 (manufactured by Asahi Glass Co., Ltd.)), hydrofluoroolefins; CF3CH=CHCl (e.g., manufactured by Central Glass Co., Ltd.) Ethers such as CELEFIN (registered trademark) 1233Z), CHF2CF=CHCl (for example, AMOLEA (registered trademark) AS-300 manufactured by Asahi Glass Co., Ltd.), cyclopentyl methyl ether; siloxanes such as hexamethyldisiloxane, hexaethyldisiloxane, octamethyltrisiloxane, octamethylcyclotetrasiloxane, octamethylcyclopentasiloxane, decamethylcyclopentasiloxane, decamethyltetrasiloxane, dodecamethylpentasiloxane, tetradecamethylhexasiloxane; dimethyl sulfoxide, etc.These solvents can be used individually or as a mixture of two or more. Glycol ethers, alcohols, ether alcohols, and siloxanes are particularly preferred. For example, propylene glycol monomethyl ether, propylene glycol monoethyl ether, propylene glycol monobutyl ether, methanol, ethanol, iso-propanol, n-butanol, isobutanol, tert-butanol, sec-butanol, diethylene glycol monomethyl ether, hexamethyldisiloxane, hexaethyldisiloxane, octamethyltrisiloxane, decamethyltetrasiloxane, dodecamethylpentasiloxane, tetradecamethylhexasiloxane, octamethylcyclotetrasiloxane, and octamethylcyclopentasiloxane are particularly preferred.

[0390] When using the dry coating method, the surface treatment agent of this disclosure may be subjected to the dry coating method as is, or it may be diluted with the solvent described above before being subjected to the dry coating method.

[0391] The layer formation of the surface treatment agent is preferably carried out such that the surface treatment agent of the present disclosure is present in the layer together with a catalyst for hydrolysis and dehydration condensation. For convenience, in the case of a wet coating method, the surface treatment agent of the present disclosure may be diluted with a solvent, and the catalyst may be added to the diluted solution of the surface treatment agent of the present disclosure immediately before application to the substrate surface. In the case of a dry coating method, the surface treatment agent of the present disclosure with the catalyst added may be directly vapor-deposited (usually by vacuum deposition), or a pellet-like material impregnated with the surface treatment agent of the present disclosure with the catalyst added may be used for vapor deposition (usually by vacuum deposition).

[0392] Any suitable acid or base can be used as a catalyst. Examples of acid catalysts include acetic acid, formic acid, and trifluoroacetic acid. Examples of base catalysts include ammonia and organic amines.

[0393] The surface treatment layer included in the articles of this disclosure has both high friction resistance and high friction resistance. Furthermore, in addition to high friction resistance, the surface treatment layer may have water repellency, oil repellency, stain resistance (e.g., preventing the adhesion of dirt such as fingerprints), water resistance (preventing water from entering electronic components, etc.), surface slipperiness (or lubricity, e.g., ease of wiping away dirt such as fingerprints and excellent tactile feel to the fingers), and chemical resistance, depending on the composition of the surface treatment agent used, and can be suitably used as a functional thin film.

[0394] Accordingly, this disclosure also relates to optical materials having the above-mentioned surface treatment layer as the outermost layer.

[0395] As optical materials, a wide variety of optical materials are preferred, in addition to optical materials related to displays, as exemplified below: for example, displays such as cathode ray tubes (CRTs; e.g., PC monitors), liquid crystal displays, plasma displays, organic EL displays, inorganic thin-film EL dot matrix displays, rear projection displays, fluorescent display tubes (VFDs), field emission displays (FEDs), or protective plates for such displays, or materials on which an anti-reflective coating has been applied to their surface.

[0396] The articles of this disclosure may be optical components, but are not limited to these. Examples of optical components include: lenses such as those in eyeglasses; front protective plates, anti-reflective plates, polarizing plates, and anti-glare plates for displays such as PDPs and LCDs; touch panel sheets for devices such as mobile phones and personal digital assistants; disc surfaces for optical discs such as Blu-ray (registered trademark) discs, DVD discs, CD-Rs, and MOs; optical fibers; and display surfaces for watches.

[0397] Furthermore, the articles of this disclosure may be medical devices or medical materials.

[0398] The thickness of the above layer is not particularly limited. In the case of optical components, the thickness of the above layer is preferably in the range of 1 to 50 nm, 1 to 30 nm, and more preferably 1 to 15 nm, from the viewpoint of optical performance, friction durability, and stain resistance.

[0399] The surface treatment agents and articles of this disclosure have been described in detail above. However, the surface treatment agents and articles of this disclosure are not limited to those exemplified above. [Examples]

[0400] The surface treatment agents of this disclosure will be described below in the following examples, but this disclosure is not limited to the following examples. In these examples, the order of existence of the repeating units constituting the fluoropolyether and polyether is arbitrary, and the chemical formulas shown below represent the average composition.

[0401] (Component (A)) The following compounds (a1) and (a2) were prepared as silane compounds containing a fluoropolyether group.

[0402] ·Compound (a1): m=15, n=16

[0403] [ka]

[0404] ·Compound (a2): m=21, n=36

[0405] [ka]

[0406] (Component (B)) The following compounds (b1) to (b6) were prepared as oxyalkyleneamide compounds containing a fluoropolyether group.

[0407] ·Compound (b1): m=20.4, n=34.5 ·Compound (b2): m=17.2, n=19.2 ·Compound (b3): ​​m=9.6, n=16.1 ·Compound (b4): m=43.6, n=74.5 ·Compound (b5): m=22.1, n=21.3 [ka]

[0408] ·Compound (b6): m=22.4, n=21.6 [ka]

[0409] Synthesis example (b1) A 50 ml three-necked flask equipped with a reflux condenser, thermometer, and stirrer contains the average composition HOCOCF2O(CF2CF2O). 20.4 (CF2O) 34.5 4 g of a perfluoropolyether-modified carboxylic acid represented as CF2COOH (however, the mixture also contains trace amounts of compounds containing trace amounts of (CF2CF2CF2O) and / or (CF2CF2CF2CF2O) repeating units), 2 g of 1,3-bis(trifluoromethyl)benzene, 0.13 g of N,N-dimethylformamide, and 0.8 g of thionyl chloride were charged and stirred at 60°C for 2 hours. Subsequently, 4 g of a perfluoropolyether compound (b1') having an acyl chloride group at the terminal was obtained by distillation off volatile components under reduced pressure. Cl-CO-CF2O(CF2CF2O) 20.4 (CF2O) 34.5 CF2-CO-Cl (b1')

[0410] In a 50 ml three-necked flask equipped with a reflux condenser, thermometer, and stirrer, 4 g of the perfluoropolyether compound (b1') having an acyl chloride group obtained above and 2 g of 1,3-bis(trifluoromethyl)benzene were charged and cooled to 5°C. Subsequently, a mixed solution of 0.6 g of bis(methoxyethyl)amine and 2 g of 1,3-bis(trifluoromethyl)benzene was charged and stirred overnight at room temperature. After that, washing with hydrochloric acid was performed using a separatory funnel. Subsequently, 2.96 g of the perfluoropolyether group-containing oxyalkyleneamide compound (b1) was obtained by distillation off volatile components under reduced pressure. (CH3OCH2CH2)2N-CO-CF2O(CF2CF2O) 20.4 (CF2O) 34.5 CF2-CO-N(CH2CH2OCH3)2(b1)

[0411] Synthesis example (b2) A 50 ml three-necked flask equipped with a reflux condenser, thermometer, and stirrer contains the average composition HOCOCF2O(CF2CF2O). 17.2 (CF2O) 19.2 4 g of a perfluoropolyether-modified carboxylic acid represented as CF2COOH (however, the mixture also contains trace amounts of compounds containing trace amounts of (CF2CF2CF2O) and / or (CF2CF2CF2CF2O) repeating units), 2 g of 1,3-bis(trifluoromethyl)benzene, 0.3 g of N,N-dimethylformamide, and 1 g of thionyl chloride were charged and stirred at 60°C for 2 hours. Subsequently, 4 g of a perfluoropolyether compound (b2') having an acyl chloride group at the terminal was obtained by distillation off volatile components under reduced pressure. Cl-CO-CF2O(CF2CF2O) 17.2 (CF2O) 19.2 CF2-CO-Cl (b2')

[0412] In a 50 ml three-necked flask equipped with a reflux condenser, thermometer, and stirrer, 4 g of the perfluoropolyether compound (b2') having an acyl chloride group obtained above and 2 g of 1,3-bis(trifluoromethyl)benzene were charged and cooled to 5°C. Subsequently, a mixed solution of 1.3 g of bis(methoxyethyl)amine and 2 g of 1,3-bis(trifluoromethyl)benzene was charged and stirred overnight at room temperature. After that, washing with hydrochloric acid was performed using a separatory funnel. Subsequently, 2.34 g of the perfluoropolyether group-containing oxyalkyleneamide compound (b2) was obtained by distilling off volatile components under reduced pressure. (CH3OCH2CH2)2N-CO-CF2O(CF2CF2O) 17.2 (CF2O) 19.2 CF2-CO-N(CH2CH2OCH3)2(b2)

[0413] Synthesis example (b3) A 50 ml three-necked flask equipped with a reflux condenser, thermometer, and stirrer contains the average composition HOCOCF2O(CF2CF2O). 9.6 (CF2O) 16.1 4 g of a perfluoropolyether-modified carboxylic acid represented as CF2COOH (however, the mixture also contains trace amounts of compounds containing trace amounts of (CF2CF2CF2O) and / or (CF2CF2CF2CF2O) repeating units), 2 g of 1,3-bis(trifluoromethyl)benzene, 0.3 g of N,N-dimethylformamide, and 1 g of thionyl chloride were charged and stirred at 60°C for 2 hours. Subsequently, 4 g of a perfluoropolyether compound (b3') having an acyl chloride group at the terminal was obtained by distillation off volatile components under reduced pressure. Cl-CO-CF2O(CF2CF2O) 9.6 (CF2O) 16.1 CF2-CO-Cl (b3')

[0414] In a 50 ml three-necked flask equipped with a reflux condenser, thermometer, and stirrer, 4 g of the perfluoropolyether compound (b3') having an acyl chloride group obtained above and 2 g of 1,3-bis(trifluoromethyl)benzene were charged and cooled to 5°C. Subsequently, a mixed solution of 1.3 g of bis(methoxyethyl)amine and 2 g of 1,3-bis(trifluoromethyl)benzene was charged and stirred overnight at room temperature. After that, washing with hydrochloric acid was performed using a separatory funnel. Subsequently, 2.05 g of the perfluoropolyether group-containing oxyalkyleneamide compound (b3) was obtained by distilling off volatile components under reduced pressure. (CH3OCH2CH2)2N-CO-CF2O(CF2CF2O) 9.6 (CF2O) 16.1 CF2-CO-N(CH2CH2OCH3)2(b3)

[0415] Synthesis example (b4) A 50 ml three-necked flask equipped with a reflux condenser, thermometer, and stirrer contains the average composition HOCOCF2O(CF2CF2O). 43.6 (CF2O) 74.54 g of a perfluoropolyether-modified carboxylic acid represented as CF2COOH (however, the mixture also contains trace amounts of compounds containing trace amounts of (CF2CF2CF2O) and / or (CF2CF2CF2CF2O) repeating units), 2 g of 1,3-bis(trifluoromethyl)benzene, 0.06 g of N,N-dimethylformamide, and 0.2 g of thionyl chloride were charged and stirred at 60°C for 2 hours. Subsequently, 4 g of a perfluoropolyether compound (b4') having an acyl chloride group at the terminal was obtained by distillation off volatile components under reduced pressure. Cl-CO-CF2O(CF2CF2O) 43.6 (CF2O) 74.5 CF2-CO-Cl (b4')

[0416] In a 50 ml three-necked flask equipped with a reflux condenser, thermometer, and stirrer, 4 g of the perfluoropolyether compound (b4') having an acyl chloride group obtained above and 2 g of 1,3-bis(trifluoromethyl)benzene were charged and cooled to 5°C. Subsequently, a mixed solution of 0.3 g of bis(methoxyethyl)amine and 2 g of 1,3-bis(trifluoromethyl)benzene was charged and stirred overnight at room temperature. After that, washing with hydrochloric acid was performed using a separatory funnel. Subsequently, 3.52 g of the perfluoropolyether group-containing oxyalkyleneamide compound (b4) was obtained by distilling off volatile components under reduced pressure. (CH3OCH2CH2)2N-CO-CF2O(CF2CF2O) 43.6 (CF2O) 74.5 CF2-CO-N(CH2CH2OCH3)2(b4)

[0417] Synthesis example (b5) A 50 ml three-necked flask equipped with a reflux condenser, thermometer, and stirrer contains the average composition HOCOCF2O(CF2CF2O). 22.1 (CF2O) 21.34 g of a perfluoropolyether-modified carboxylic acid represented as CF2COOH (however, the mixture also contains trace amounts of compounds containing trace amounts of (CF2CF2CF2O) and / or (CF2CF2CF2CF2O) repeating units), 2 g of 1,3-bis(trifluoromethyl)benzene, 0.15 g of N,N-dimethylformamide, and 0.5 g of thionyl chloride were charged and stirred at 60°C for 2 hours. Subsequently, 4 g of a perfluoropolyether compound (b5') having an acyl chloride group at the terminal was obtained by distillation off volatile components under reduced pressure. Cl-CO-CF2O(CF2CF2O) 22.1 (CF2O) 21.3 CF2-CO-Cl (b5')

[0418] In a 50 ml three-necked flask equipped with a reflux condenser, thermometer, and stirrer, 4 g of the perfluoropolyether compound (b5') containing an acyl chloride group obtained above and 2 g of 1,3-bis(trifluoromethyl)benzene were charged and cooled to 5°C. Subsequently, a mixed solution of 0.7 g of bis(methoxyethyl)amine and 2 g of 1,3-bis(trifluoromethyl)benzene was charged and stirred overnight at room temperature. After that, washing with hydrochloric acid was performed using a separatory funnel. Subsequently, 3.47 g of the perfluoropolyether group-containing oxyalkyleneamide compound (b5) was obtained by distillation off volatile components under reduced pressure. (CH3OCH2CH2)2N-CO-CF2O(CF2CF2O) 22.1 (CF2O) 21.3 CF2-CO-N(CH2CH2OCH3)2(b5)

[0419] Synthesis example (b6) A 50 ml three-necked flask equipped with a reflux condenser, thermometer, and stirrer contains an average composition of CF3O(CF2CF2O). 22.4 (CF2O) 21.64 g of a perfluoropolyether-modified carboxylic acid represented as CF2COOH (however, the mixture also contains trace amounts of compounds containing trace amounts of (CF2CF2CF2O) and / or (CF2CF2CF2CF2O) repeating units), 2 g of 1,3-bis(trifluoromethyl)benzene, 0.08 g of N,N-dimethylformamide, and 0.25 g of thionyl chloride were charged and stirred at 60°C for 2 hours. Subsequently, 4 g of a perfluoropolyether compound (b6') having an acyl chloride group at the terminal was obtained by distillation off volatile components under reduced pressure. CF3O(CF2CF2O) 22.4 (CF2O) 21.6 CF2-CO-Cl (b6')

[0420] In a 50 ml three-necked flask equipped with a reflux condenser, thermometer, and stirrer, 4 g of the perfluoropolyether compound (b5') having an acyl chloride group obtained above and 2 g of 1,3-bis(trifluoromethyl)benzene were charged and cooled to 5°C. Subsequently, a mixed solution of 0.35 g of bis(methoxyethyl)amine and 2 g of 1,3-bis(trifluoromethyl)benzene was charged and stirred overnight at room temperature. After that, washing with hydrochloric acid was performed using a separatory funnel. Subsequently, 3.35 g of the perfluoropolyether group-containing oxyalkyleneamide compound (b6) was obtained by distilling off volatile components under reduced pressure. CF3O(CF2CF2O) 22.4 (CF2O) 21.6 CF2-CO-N(CH2CH2OCH3)2(b6)

[0421] Examples 1-27 (Preparation of surface treatment agent) The fluoropolyether group-containing silane compound (component A) and the fluoropolyether group-containing oxyalkyleneamide compound (component B) shown in Table 1 were mixed in the proportions shown in Table 1. The resulting mixture was diluted with hydrofluoroether (3M Novec 7200) to a total concentration of 20% by mass of components A and B to prepare a surface treatment agent.

[0422] Comparative Examples 1-2 A surface treatment agent was prepared in the same manner as in the above example, except that component B was not used.

[0423] [Table 1]

[0424] (Formation of surface treatment layer) The surface treatment agents prepared above (Examples 1-27 and Comparative Examples 1-2) were vacuum deposited onto chemically strengthened glass (Corning "Gorilla" glass, 0.7 mm thick). The vacuum deposition conditions were a pressure of 3.0 × 10⁻⁶. -3 First, a silicon dioxide film was formed on the surface of the chemically strengthened glass, and then 400 mg of a surface treatment agent was deposited to form a surface treatment layer.

[0425] (Measurement of initial contact angle) For the surface treatment layers obtained from the surface treatment agents in Examples 1 to 27 and Comparative Examples 1 to 2 described above, the static contact angle (degrees) of water was measured at 5 points, and the average value (degrees) was taken as the initial contact angle (degrees) (number of friction cycles: 0).

[0426] (Eraser (ER) friction durability test) A substrate with a surface treatment layer was placed horizontally, and an eraser (minoan, model number: MB006004, diameter 0.6 cm) was brought into contact with the surface of the surface treatment layer. A load of 1000 gf was applied, and then the eraser was moved back and forth at a speed of 20 mm / second while the load was applied to conduct an eraser friction durability test. Every 100 reciprocations, the static contact angle (degrees) of water was measured at 5 points, and the average value (degrees) was taken. The test was stopped when the average contact angle (degrees) fell below 100 degrees, and the number of reciprocations when the contact angle exceeded 100 degrees before that was adopted as the eraser friction durability value (cycles), which is shown in the table below.

[0427] [Table 2]

[0428] • Steel wool (SW) friction durability evaluation A steel wool friction durability evaluation was conducted on a substrate with a surface treatment layer. Specifically, the substrate with the surface treatment layer was placed horizontally, and steel wool (grit #0000, dimensions 5mm x 10mm x 10mm) was brought into contact with the surface treatment layer of the substrate. A load of 1,000 gf was applied, and then the steel wool was moved back and forth at a speed of 140 mm / second while the load was applied. The static contact angle (degrees) of water was measured every 1,000 cycles, and the evaluation was stopped when the measured contact angle fell below 100 degrees. The number of cycles at which the final contact angle exceeded 100 degrees is shown in the table below. (In the table, the symbol "-" indicates that measurement was not performed). The test was stopped after 20,000 cycles.

[0429] [Table 3]

[0430] From the above results, it was confirmed that the surface treatment agents of the present disclosure, which contain a fluoropolyether group-containing silane compound and a fluoropolyether group-containing oxyalkyleneamide compound, can form a surface treatment layer with excellent friction resistance. [Industrial applicability]

[0431] The articles of this disclosure can be suitably used in a variety of applications, such as optical components for touch panels and the like.

Claims

1. Component (A): Fluoropolyether group-containing silane compound, and Component (B): Formula (B1) or (B2): 【Chemistry 1】 [In the formula: R ＦＢ１ Rf １ -R Ｆ -O ｑ - and R ＦＢ２ is -Rf ２ ｐ -R Ｆ -O ｑ - and R Ｆ These are, independently, divalent fluoropolyether groups, Rf １ C may be substituted with one or more fluorine atoms. １－１６ It is an alkyl group, Rf ２ C may be substituted with one or more fluorine atoms. １－６ It is an alkylene group, p is either 0 or 1, q is either 0 or 1, independently of each other. X Ｂ Each of these is independently a single bond or a divalent group. R Ｂ１ Each of these is independently an oxyalkylene-containing group, R Ｂ２ Each of these is independently an oxyalkylene-containing group, Each of the oxyalkylene-containing groups can be independently represented by the following formula: -R ６１ - ( OR ６３ ) ｂ３ -R ６２ , or -X Ｅ (-R ６１ -(OR ６３ ) ｂ３ -R ６２ ) ｒ２ [In the formula: R ６１ Each of them is independent of C １－６ It is an alkylene group, R ６２ These are, independently, hydrogen atoms and C １－６ Alkyl alkyl group, or C １－６ It is an alkoxy group, R ６３ Each of them is independent of C １－６ It is an alkylene group, b3 is 1, X Ｅ It is a group with 3 to 10 valents, r² is an integer between 2 and 9, and X Ｅ It is one less than the valence of [the variable]. This is the base represented by [ ]. Fluoropolyether group-containing oxyalkylene amide compounds represented by A surface treatment agent containing [this ingredient].

2. Each of the oxyalkylene-containing groups can be independently represented by the following formula: -R ６１ -(OR ６３ ) ｂ３ -R ６２ [In the formula: R ６１ C １－６ It is an alkylene group, R ６２ C is a hydrogen atom. １－６ Alkyl alkyl group, or C １－６ It is an alkoxy group, R ６３ Each of them is independent of C １－６ It is an alkylene group, b3 is 1. The surface treatment agent according to claim 1, wherein the group is represented by [the specified group].

3. R ６３ C １－３ The surface treatment agent according to claim 1, wherein the group is an alkylene group.

4. X Ｂ Each is independently a single bond, or -(R ６７ ) ｂ１ - (R ６８ ) ｂ２ - [In the formula: R ６７ Each of them is independent of C １－６ It is an alkylene group, R ６８ These are, independently, oxygen atom, sulfur atom, CO, and NR. ６９ CONR ６９ , NR ６９ CO, or C ６－１２ It is an arylene group, R ６９ Each of these is independently a hydrogen atom, or C １－６ It is an alkyl group, b1 is an integer between 0 and 6. b2 is an integer between 0 and 6. The sum of b1 and b2 is 1 or more. The order in which each repeating unit, denoted by b1 or b2 and enclosed in parentheses, exists is arbitrary within the formula. The surface treatment agent according to claim 1.

5. X Ｂ Each of them is independently a single bond, C １－６ Alkylene group, or -R ６４ -O-R ６５ - and R ６４ is a single bond, or C １－６ It is an alkylene group, R ６５ is a single bond, or C １－６ It is an alkylene group. The surface treatment agent according to claim 1.

6. R Ｆ Each of these is independently expressed in the formula: -(OC ６ F １２ ) ａ -(OC ５ F １０ ) ｂ -(OC ４ F ８ ) ｃ -(OC ３ R Ｆａ ６ ) ｄ -(OC ２ F ４ ) ｅ -(OCF ２ ) ｆ - [In the formula: R Ｆａ These are, independently, a hydrogen atom, a fluorine atom, or a chlorine atom. a, b, c, d, e, and f are each independent integers between 0 and 200, the sum of a, b, c, d, e, and f is 1 or greater, the order of existence of each repeating unit enclosed in parentheses with a, b, c, d, e, or f is arbitrary in the expression, provided that all R Ｆａ If is a hydrogen atom or a chlorine atom, then at least one of a, b, c, e, and f is 1 or more. The surface treatment agent according to claim 1, wherein the group is represented by [the specified group].

7. Rf １ C １－１６ It is a perfluoroalkyl group, Rf ２ C １－６ It is a perfluoroalkylene group, R Ｆ is, independently of each other, the formula: -(OC ６ F １２ ) ａ -(OC ５ F １０ ) ｂ -(OC ４ F ８ ) ｃ -(OC ３ F ６ ) ｄ -(OC ２ F ４ ) ｅ -(OCF ２ ) ｆ - [In the formula: a, b, c, d, e, and f are each independent integers between 0 and 200, the sum of a, b, c, d, e, and f is 1 or greater, and the order of existence of each repeating unit enclosed in parentheses with a, b, c, d, e, or f is arbitrary within the expression. The surface treatment agent according to claim 1, wherein the group is represented by [the specified group].

8. R Ｆ These are, independently, given by the following equations (f1), (f2), (f3), (f4), (f5), or (f6): -(OC ３ F ６ ) ｄ -(OC ２ F ４ ) ｅ - (f1) [In the formula, d is an integer between 1 and 200, and e is 0 or 1.] -(OC ４ F ８ ) ｃ -(OC ３ F ６ ) ｄ -(OC ２ F ４ ) ｅ -(OCF ２ ) ｆ - (f2) [In the formula, c and d are each independent integers between 0 and 30.] e and f are each independent integers between 1 and 200. The sum of c, d, e, and f is an integer between 10 and 200. The order of existence of each repeating unit, denoted by c, d, e, or f and enclosed in parentheses, is arbitrary within the formula. -(R ６ -R ７ ) ｇ - (f3) [In the formula, R ６ OCF ２ or OC ２ F ４ And, R ７ OC ２ F ４ , OC ３ F ６ , OC ４ F ８ , OC ５ F １０ and OC ６ F １２ It is a group selected from these groups, or a combination of two or three groups selected from these groups. g is an integer between 2 and 100. -(R ６ -R ７ ) ｇ -R ｒ -(R ７’ -R ６’ ) ｇ’ - (f4) [In the formula, R ６ OCF ２ or OC ２ F ４ And, R ７ OC ２ F ４ , OC ３ F ６ , OC ４ F ８ , OC ５ F １０ and OC ６ F １２ It is a group selected from these groups, or a combination of two or three groups selected independently from these groups. R ６’ OCF ２ or OC ２ F ４ And, R ７’ OC ２ F ４ , OC ３ F ６ , OC ４ F ８ , OC ５ F １０ and OC ６ F １２ It is a group selected from these groups, or a combination of two or three groups selected independently from these groups. g is an integer between 2 and 100. g' is an integer between 2 and 100. R ｒ teeth, 【Chemistry 2】 (In the formula, * indicates the bonding position.) That is. -(OC ６ F １２ ) ａ -(OC ５ F １０ ) ｂ -(OC ４ F ８ ) ｃ -(OC ３ F ６ ) ｄ -(OC ２ F ４ ) ｅ -(OCF ２ ) ｆ - (f5) [In the formula, e is an integer between 1 and 200, a, b, c, d, and f are each independent integers between 0 and 200, and the order of existence of each repeating unit enclosed in parentheses with a, b, c, d, e, or f is arbitrary in the formula.] -(OC ６ F １２ ) ａ -(OC ５ F １０ ) ｂ -(OC ４ F ８ ) ｃ -(OC ３ F ６ ) ｄ -(OC ２ F ４ ) ｅ -(OCF ２ ) ｆ - (f6) [In the formula, f is an integer between 1 and 200, a, b, c, d, and e are each independent integers between 0 and 200, and the order of existence of each repeating unit enclosed in parentheses with a, b, c, d, e, or f is arbitrary in the formula.] The surface treatment agent according to claim 1, wherein the group is represented by [the specified group].

9. The fluoropolyether group-containing silane compound is defined by the following formula (A1) or (A2): 【Transformation 3】 [In the formula: R ＦＡ１ Each of them is independent of Rf １ -R Ｆ -O ｑ - and R ＦＡ２ is, -Rf ２ ｐ -R Ｆ -O ｑ - and R Ｆ These are, independently, divalent fluoropolyether groups, Rf １ C may be substituted with one or more fluorine atoms. １－１６ It is an alkyl group, Rf ２ C may be substituted with one or more fluorine atoms. １－６ It is an alkylene group, p is either 0 or 1, q is either 0 or 1, independently of each other. R Ｓｉ Each of these is independently a monovalent group containing a hydroxyl group, a hydrolyzable group, a hydrogen atom, or a Si atom to which a monovalent group is bonded. at least one R Ｓｉ This is a monovalent group containing a Si atom to which a hydroxyl group or hydrolyzable group is bonded. X Ａ Each of these is independently a single bond or a group with 2 to 10 valents. α1 is an integer between 1 and 9. β1 is an integer between 1 and 9. Each of the γ1 values ​​is an integer between 1 and 9, independently of the others. The surface treatment agent according to claim 1, wherein the compound is represented by [formula].

10. In equations (A1) and (A2), R Ｆ Each of these is independently expressed in the formula: -(OC ６ F １２ ) ａ -(OC ５ F １０ ) ｂ -(OC ４ F ８ ) ｃ -(OC ３ R Ｆａ ６ ) ｄ -(OC ２ F ４ ) ｅ -(OCF ２ ) ｆ - [In the formula: R Ｆａ These are, independently, a hydrogen atom, a fluorine atom, or a chlorine atom. a, b, c, d, e, and f are each independent integers between 0 and 200, the sum of a, b, c, d, e, and f is 1 or greater, the order of existence of each repeating unit enclosed in parentheses with a, b, c, d, e, or f is arbitrary in the expression, provided that all R Ｆａ If is a hydrogen atom or a chlorine atom, then at least one of a, b, c, e, and f is 1 or more. The surface treatment agent according to claim 9, wherein the group is represented by [the specified group].

11. In equations (A1) and (A2), Rf １ C １－１６ It is a perfluoroalkyl group, Rf ２ C １－６ It is a perfluoroalkylene group, R Ｆ Each of these is independently expressed in the formula: -(OC ６ F １２ ) ａ -(OC ５ F １０ ) ｂ -(OC ４ F ８ ) ｃ -(OC ３ F ６ ) ｄ -(OC ２ F ４ ) ｅ -(OCF ２ ) ｆ - [In the formula: a, b, c, d, e, and f are each independent integers between 0 and 200, the sum of a, b, c, d, e, and f is 1 or greater, and the order of existence of each repeating unit enclosed in parentheses with a, b, c, d, e, or f is arbitrary within the expression. The surface treatment agent according to claim 9, wherein the group is represented by [the specified group].

12. In equations (A1) and (A2), R Ｆ These are, independently, given by the following equations (f1), (f2), (f3), (f4), (f5), or (f6): -(OC ３ F ６ ) ｄ -(OC ２ F ４ ) ｅ - (f1) [In the formula, d is an integer between 1 and 200, and e is 0 or 1.] -(OC ４ F ８ ) ｃ -(OC ３ F ６ ) ｄ -(OC ２ F ４ ) ｅ -(OCF ２ ) ｆ - (f2) [In the formula, c and d are each independent integers between 0 and 30.] e and f are each independent integers between 1 and 200. The sum of c, d, e, and f is an integer between 10 and 200. The order of existence of each repeating unit, denoted by c, d, e, or f and enclosed in parentheses, is arbitrary within the formula. -(R ６ -R ７ ) ｇ - (f3) [In the formula, R ６ OCF ２ or OC ２ F ４ And, R ７ OC ２ F ４ , OC ３ F ６ , OC ４ F ８ , OC ５ F １０ and OC ６ F １２ It is a group selected from these groups, or a combination of two or three groups selected from these groups. g is an integer between 2 and 100. -(R ６ -R ７ ) ｇ -R ｒ -(R ７’ -R ６’ ) ｇ’ - (f4) [In the formula, R ６ OCF ２ or OC ２ F ４ And, R ７ OC ２ F ４ , OC ３ F ６ , OC ４ F ８ , OC ５ F １０ and OC ６ F １２ It is a group selected from these groups, or a combination of two or three groups selected independently from these groups. R ６’ OCF ２ or OC ２ F ４ And, R ７’ OC ２ F ４ , OC ３ F ６ , OC ４ F ８ , OC ５ F １０ and OC ６ F １２ It is a group selected from these groups, or a combination of two or three groups selected independently from these groups. g is an integer between 2 and 100. g' is an integer between 2 and 100. R ｒ teeth, 【Chemistry 4】 (In the formula, * indicates the bonding position.) That is. -(OC ６ F １２ ) ａ -(OC ５ F １０ ) ｂ -(OC ４ F ８ ) ｃ -(OC ３ F ６ ) ｄ -(OC ２ F ４ ) ｅ -(OCF ２ ) ｆ - (f5) [In the formula, e is an integer between 1 and 200, a, b, c, d, and f are each independent integers between 0 and 200, and the order of existence of each repeating unit enclosed in parentheses with a, b, c, d, e, or f is arbitrary in the formula.] -(OC ６ F １２ ) ａ -(OC ５ F １０ ) ｂ -(OC ４ F ８ ) ｃ -(OC ３ F ６ ) ｄ -(OC ２ F ４ ) ｅ -(OCF ２ ) ｆ - (f6) [In the formula, f is an integer between 1 and 200, a, b, c, d, and e are each independent integers between 0 and 200, and the order of existence of each repeating unit enclosed in parentheses with a, b, c, d, e, or f is arbitrary in the formula.] The surface treatment agent according to claim 9, wherein the group is represented by [the specified group].

13. R Ｓｉ This is expressed by the following formulas (S1), (S2), (S3), (S4), or (S5): 【Transformation 5】 [In the formula: R １１ Each of these is independently a hydroxyl group or a hydrolyzable group, R １２ Each of these is independently a hydrogen atom or a monovalent organic group. n1 is (SiR １１ ｎ１ R １２ ３－ｎ１ Each unit is an independent integer between 0 and 3. X １１ Each of these is independently a single bond or a divalent group. R １３ Each of these is independently a hydrogen atom or a monovalent organic group. Each t is an independent integer greater than or equal to 2. R １４ Each of these is independently a hydrogen atom, a halogen atom, or -X １１ -SiR １１ ｎ１ R １２ ３－ｎ１ And, R １５ Each of these is independently a single bond, an oxygen atom, an alkylene group having 1 to 6 carbon atoms, or an alkylene oxy group having 1 to 6 carbon atoms. R ａ１ Each of these is independently of -Z １ -SiR ２１ ｐ１ R ２２ ｑ１ R ２３ ｒ１ And; Z １ Each of these is independently a divalent group, R ２１ Each of these is independently of -Z １’ -SiR ２１’ ｐ１’ R ２２’ ｑ１’ R ２３’ ｒ１’ And; R ２２ Each of these is independently a hydroxyl group or a hydrolyzable group, R ２３ Each of these is independently a hydrogen atom or a monovalent organic group. p1 is an integer between 0 and 3, independently of each other. Each of q1 is an integer between 0 and 3, independently of the others. Each r1 is an independent integer between 0 and 3. The sum of p1, q1, and r1 is (SiR ２１ ｐ１ R ２２ ｑ１ R ２３ ｒ１ In units, it is 3, Z １’ Each of these is independently a divalent group, R ２１’ Each of these is independently of -Z １” -SiR ２２” ｑ１” R ２３” ｒ１” And; R ２２’ Each of these is independently a hydroxyl group or a hydrolyzable group, R ２３’ Each of these is independently a hydrogen atom or a monovalent organic group. p1' are each independent integers between 0 and 3. Each of q1' is an independent integer between 0 and 3. r1' are each independent integers between 0 and 3. The sum of p1', q1', and r1' is (SiR ２１’ ｐ１’ R ２２’ ｑ１’ R ２３’ ｒ１’ In units, it is 3, Z １” Each of these is independently a divalent group, R ２２” Each of these is independently a hydroxyl group or a hydrolyzable group, R ２３” Each of these is independently a hydrogen atom or a monovalent organic group. Each of q1'' is an independent integer between 0 and 3. Each of r1'' is an independent integer between 0 and 3. The sum of q1" and r1" is (SiR ２２” ｑ１” R ２３” ｒ１” In units, it is 3, R ｂ１ Each of these is independently a hydroxyl group or a hydrolyzable group, R ｃ１ Each of these is independently a hydrogen atom or a monovalent organic group. k1 is an integer between 0 and 3, independently of each other. l1 are each an independent integer between 0 and 3. Each of the m1 values ​​is an integer between 0 and 3, independently of the others. The sum of k1, l1 and m1 is (SiR ａ１ ｋ１ R ｂ１ ｌ１ R ｃ１ ｍ１ In units, it is 3, R ｄ１ Each of these is independently of -Z ２ -CR ３１ ｐ２ R ３２ ｑ２ R ３３ ｒ２ And; Z ２ These are, independently, single-bonded, divalent groups; R ３１ Each of these is independently of -Z ２’ -CR ３２’ ｑ２’ R ３３’ ｒ２’ And; R ３２ Each of these is independently of -Z ３ -SiR ３４ ｎ２ R ３５ ３－ｎ２ And, R ３３ Each of these is independently a hydrogen atom, a hydroxyl group, or a monovalent organic group. p2 is an integer between 0 and 3, independently of each other. Each of the q2 values ​​is an integer between 0 and 3, independently of the others. Each of the r2 values ​​is an integer between 0 and 3, independently of the others. The sum of p2, q2, and r2 is (CR ３１ ｐ２ R ３２ ｑ２ R ３３ ｒ２ In units, it is 3, Z ２’ Each of these is independently a single bond or a divalent group; R ３２’ Each of these is independently of -Z ３ -SiR ３４ ｎ２ R ３５ ３－ｎ２ And, R ３３’ Each of these is independently a hydrogen atom, a hydroxyl group, or a monovalent organic group. Each of q2' is an integer between 0 and 3, independently of the others. r2' are each independent integers between 0 and 3. The sum of q2' and r2' is (CR ３２’ ｑ２’ R ３３’ ｒ２’ In units, it is 3, Z ３ Each of these is independently a single bond or a divalent group; R ３４ Each of these is independently a hydroxyl group or a hydrolyzable group, R ３５ Each of these is independently a hydrogen atom or a monovalent organic group. n2 are each an independent integer between 0 and 3. R ｅ１ Each of these is independently of -Z ３ -SiR ３４ ｎ２ R ３５ ３－ｎ２ And, R ｆ１ Each of these is independently a hydrogen atom, a hydroxyl group, or a monovalent organic group. k2 are each an independent integer between 0 and 3. l2 are each an independent integer between 0 and 3. Each of the m2 values ​​is an independent integer between 0 and 3. The sum of k2, l2, and m2 is (CR ｄ１ ｋ２ R ｅ１ ｌ２ R ｆ１ ｍ２ In units, it is 3, R ｇ１ and R ｈ１ Each of these is independently of -Z ４ -SiR １１ ｎ１ R １２ ３－ｎ１ , -Z ４ -SiR ａ１ ｋ１ R ｂ１ ｌ１ R ｃ１ ｍ１ , or -Z ４ -CR ｄ１ ｋ２ R ｅ１ ｌ２ R ｆ１ ｍ２ And, Z ４ Each of these is independently a single bond or a divalent group. However, in formulas (S1), (S2), (S3), (S4), and (S5), there is at least one Si atom to which a hydroxyl group or hydrolyzable group is bonded. The surface treatment agent according to claim 9, wherein the group is represented by [the specified group].

14. α1, β1, and γ1 are 1, X Ａ The surface treatment agent according to claim 9, wherein is a single bond or a divalent group.

15. X Ａ is a single bond or the following formula: -(R ５１ ) ｐ５ -(X ５１ ) ｑ５ - [In the formula: R ５１ is a single bond, -(CH ２ ) ｓ５ - or o-, m- or p-phenylene group, s5 is an integer between 1 and 20. X ５１ is, -(X ５２ ) ｌ５ - and X ５２ These are, independently, -O-, -S-, o-, m- or p-phenylene groups, -C(O)O-, -Si(R ５３ ) ２ -, -(Si(R ５３ ) ２ O) ｍ５ -Si(R ５３ ) ２ -, -CONR ５４ -, -O-CONR ５４ -, -NR ５４ - and - (CH ２ ) ｎ５ - is a group selected from the group consisting of R ５３ Each of these independently consists of a phenyl group and a C １－６ Alkyl alkyl group or C １－６ It is an alkoxy group, R ５４ Each of these is independently a hydrogen atom, a phenyl group, or C １－６ It is an alkyl group, Each of m5 is an independent integer between 1 and 100. n5 are each an independent integer between 1 and 20. l5 is an integer between 1 and 10. p5 is either 0 or 1. q5 is either 0 or 1. Here, at least one of p5 and q5 is 1, and the order of existence of each repeating unit enclosed in parentheses with p5 or q5 is arbitrary. Right side is R Ｓｉ [Combine.] The surface treatment agent according to claim 9, wherein the divalent group is represented by .

16. X Ａ The formula is as follows: 【Transformation 6】 [In the formula, X ａ It is a single bond or a divalent group. The surface treatment agent according to claim 9, wherein the group is represented by [the specified group].

17. The surface treatment agent according to claim 1, wherein the content of component (B) is 1 to 70% by mass relative to the total of component (A) and component (B).

18. The surface treatment agent according to claim 1, wherein the content of component (B) is 1 to 50% by mass relative to the total of component (A) and component (B).

19. The surface treatment agent according to claim 1, further comprising one or more other components selected from fluorine-containing oil, silicone oil, alcohol, and catalyst.

20. The surface treatment agent according to claim 1, further comprising a solvent.

21. The surface treatment agent according to claim 1, which is used as an antifouling coating agent or a waterproof coating agent.

22. A pellet containing the surface treatment agent described in claim 1.

23. An article comprising a base material and a layer formed on the base material from the surface treatment agent described in claim 1.

24. The article according to claim 23, wherein the substrate is a glass substrate.

25. The article according to claim 23, which is an optical component.

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