Surface treatment agent

Abstract

Component (B): a polyoxyalkylene compound containing a fluoropolyether group represented by formula (B1) or formula (B2) [wherein the details of each symbol are described in the description]. RFB1-XB-RB (B1), RB-XB-RFB2-XB-RB (B2), and RB-XB-RB (B1).

Description

Technical Field

[0001] The present invention relates to a surface treatment agent. Background Art

[0002] It is known that when a certain fluorinated polyether group-containing silane compound is used for surface treatment of a substrate, it can provide excellent water repellency, oil repellency, antifouling properties, etc. A layer obtained from a surface treatment agent containing a fluorinated polyether group-containing silane compound (hereinafter also referred to as a "surface treatment layer") is applied as a so-called functional film to a variety of substrates such as glass, plastic, fiber, sanitary products, and building materials (Patent Document 1).

[0003] Prior art literature

[0004] Patent Literature

[0005] Patent Document 1: Japanese Patent Application Publication No. 2014-218639 Summary of the invention

[0006] Problems to be solved by the invention

[0007] The fluorinated polyether group-containing silane compound described in Patent Document 1 can form a surface-treated layer having excellent functions, but a surface-treated layer having higher friction durability is still required.

[0008] An object of the present invention is to provide an article having a surface-treated layer having higher friction durability.

[0009] Methods for solving problems

[0010] The present invention includes the following embodiments.

[0011] [1] A polyoxyalkylene compound containing a fluorinated polyether group, which is component (B): a polyoxyalkylene compound containing a fluorinated polyether group represented by formula (B1) or formula (B2),

[0012] R FB1 -X B -R B (B1)

[0013] R B -X B -R FB2 -X B -R B (B2)

[0014] [Where:

[0015] R FB1 Rf 1 -R F -O q -

[0016] R FB2 Rf 2 p -R F -O q -

[0017] R F are each independently a divalent fluorinated polyether group,

[0018] R 1 C may be substituted with one or more fluorine atoms 1－16 alkyl,

[0019] R 2 C may be substituted with one or more fluorine atoms 1－6 Alkylene,

[0020] p is 0 or 1,

[0021] q is independently 0 or 1,

[0022] X B are each independently a single bond or a divalent group,

[0023] R B are each independently a group containing an oxyalkylene group. ].

[0024] [2] The polyoxyalkylene compound containing a fluoropolyether group according to [1], wherein

[0025] The above-mentioned groups containing oxyalkylene groups are independently groups represented by the following formula:

[0026] -R 61 -(OR 63 ) b3 -R 62 or -X E (-R 61 -(OR 63 ) b3 -R 62 ) r2

[0027] [Where:

[0028] R 61 are independently a single bond or C 1－6 Alkylene,

[0029] R 62 are independently a hydrogen atom, C 1－6 Alkyl or C 1－6 Alkoxy,

[0030] R 63 C1－6 Alkylene,

[0031] b3 are each independently an integer of 1 to 6,

[0032] X E is a 3- to 10-valent group,

[0033] r2 is an integer from 2 to 9 and is greater than X E The valence is less than 1. ].

[0034] [3] The polyoxyalkylene compound containing a fluoropolyether group according to [1] or [2], wherein

[0035] The above-mentioned groups containing oxyalkylene groups are independently groups represented by the following formula:

[0036] -R 61 -(OR 63 ) b3 -R 62

[0037] [Where:

[0038] R 61 is a single bond or C 1－6 Alkylene,

[0039] R 62 For hydrogen atoms, C 1－6 Alkyl or C 1－6 Alkoxy,

[0040] R 63 C 1－6 Alkylene,

[0041] b3 is an integer from 1 to 6. ].

[0042] [4] The polyoxyalkylene compound containing a fluoropolyether group according to [2] or [3], wherein

[0043] R 63 C 1－3 Alkylene.

[0044] [5] The polyoxyalkylene compound containing a fluoropolyether group according to any one of [1] to [4], wherein

[0045] X B are independently a single bond or -(R 67 ) b1 -(R 68 ) b2 -

[0046] [Where:

[0047] R67 C 1－6 Alkylene,

[0048] R 68 are independently oxygen atoms, sulfur atoms, CO, NR 69 ,CONR 69 NR 69 CO or C 6－12 Arylene,

[0049] R 69 are independently a hydrogen atom or a C 1－6 alkyl,

[0050] b1 is an integer from 0 to 6,

[0051] b2 is an integer from 0 to 6,

[0052] The sum of b1 and b2 is 1 or more,

[0053] The order of presence of the repeating units indicated by b1 or b2 and enclosed in parentheses is arbitrary in the formula. ].

[0054] [6] The polyoxyalkylene compound containing a fluoropolyether group according to any one of [1] to [5], wherein

[0055] X B are independently a single bond, C 1－6 Alkylene or -R 64 -O-R 65 -

[0056] R 64 is a single bond or C 1－6 Alkylene,

[0057] R 65 is a single bond or C 1－6 Alkylene.

[0058] [7] The polyoxyalkylene compound containing a fluoropolyether group according to any one of [1] to [6], wherein

[0059] R F Each is independently a group represented by the following formula:

[0060] -(OC6F 12 ) a -(OC5F 10 ) b -(OC4F8) c -(OC3R Fa 6) d -(OC2F4) e -(OCF2) f -

[0061] [Where:

[0062] R Fa are independently a hydrogen atom, a fluorine atom or a chlorine atom,

[0063] a, b, c, d, e and f are each independently an integer of 0 to 200, the sum of a, b, c, d, e and f is 1 or more, the order of existence of the repeating units marked with a, b, c, d, e or f and enclosed in parentheses in the formula is arbitrary, wherein all R Fa When it is a hydrogen atom or a chlorine atom, at least one of a, b, c, e and f is 1 or more. ].

[0064] [8] The polyoxyalkylene compound containing a fluoropolyether group according to any one of [1] to [7], wherein

[0065] R 1 C 1－16 Perfluoroalkyl,

[0066] R 2 C 1－6 Perfluoroalkylene,

[0067] R F Each is independently a group represented by the following formula:

[0068] -(OC6F 12 ) a -(OC5F 10 ) b -(OC4F8) c -(OC3F6) d -(OC2F4) e -(OCF2) f -

[0069] [Where:

[0070] a, b, c, d, e and f are each independently an integer of 0 to 200, the sum of a, b, c, d, e and f is 1 or more, the order of existence of the repeating units marked with a, b, c, d, e or f and enclosed in parentheses in the formula is arbitrary, wherein all R Fa When it is a hydrogen atom or a chlorine atom, at least one of a, b, c, e and f is 1 or more. ].

[0071] [9] The polyoxyalkylene compound containing a fluoropolyether group according to any one of [1] to [8], wherein

[0072] R Fare independently a group represented by the following formula (f1), formula (f2), formula (f3), formula (f4), formula (f5) or formula (f6):

[0073] -(OC3F6) d -(OC2F4) e - (f1)

[0074] [Wherein, d is an integer of 1 to 200, and e is 0 or 1.],

[0075] -(OC4F8) c -(OC3F6) d -(OC2F4) e -(OCF2) f - (f2)

[0076] [wherein, c and d are each independently an integer of 0 to 30,

[0077] e and f are each independently an integer of 1 to 200,

[0078] The sum of c, d, e and f is an integer from 10 to 200,

[0079] The order of presence of the repeating units marked with c, d, e or f and enclosed in brackets in the formula is arbitrary. ],

[0080] -(R 6 -R 7 ) g - (f3)

[0081] [Where R 6 For OCF2 or OC2F4,

[0082] R 7 is selected from OC2F4, OC3F6, OC4F8, OC5F 10 and OC6F 12 or a combination of two or three groups selected from these groups,

[0083] g is an integer from 2 to 100. ],

[0084] -(R 6 -R 7 ) g -R r -(R 7′ -R 6′ ) g′ - (f4)

[0085] [Where R 6 For OCF2 or OC2F4,

[0086] R7 is selected from OC2F4, OC3F6, OC4F8, OC5F 10 and OC6F 12 or a combination of 2 or 3 groups independently selected from these groups,

[0087] R 6′ For OCF2 or OC2F4,

[0088] R 7′ is selected from OC2F4, OC3F6, OC4F8, OC5F 10 and OC6F 12 or a combination of 2 or 3 groups independently selected from these groups,

[0089] g is an integer from 2 to 100,

[0090] g′ is an integer from 2 to 100,

[0091] R r for

[0092]

[0093] (In the formula, * indicates the binding position.) ],

[0094] -(OC6F 12 ) a -(OC5F 10 ) b -(OC4F8) c -(OC3F6) d -(OC2F4) e -(OCF2) f - (f5)

[0095] [In the formula, e is an integer from 1 to 200, a, b, c, d and f are each independently an integer from 0 to 200, and the order of existence of each repeating unit marked with a, b, c, d, e or f and enclosed in parentheses is arbitrary in the formula.]

[0096] -(OC6F 12 ) a -(OC5F 10 ) b -(OC4F8) c -(OC3F6) d -(OC2F4) e -(OCF2) f -(f6)

[0097] [In the formula, f is an integer from 1 to 200, a, b, c, d and e are each independently an integer from 0 to 200, and the order of existence of each repeating unit marked with a, b, c, d, e or f and enclosed in parentheses is arbitrary in the formula. ].

[0098]

[10] A surface treatment agent comprising:

[0099] Component (A): a fluorinated polyether group-containing silane compound, and

[0100] Component (B): the fluoropolyether group-containing polyoxyalkylene compound according to any one of [1] to [9] above.

[0101]

[11] The surface treatment agent according to

[10] , wherein

[0102] The fluorinated polyether group-containing silane compound is a compound represented by the following formula (A1) or formula (A2):

[0103] R FA1 α1 -X A -R Si β1 (A1)

[0104] R Si γ1 -X A -R FA2 -X A -R Si γ1 (A2)

[0105] [Where:

[0106] R FA1 Rf 1 -R F -O q -

[0107] R FA2 Rf 2 p -R F -O q -

[0108] R F are each independently a divalent fluorinated polyether group,

[0109] R 1 C may be substituted with one or more fluorine atoms 1－16 alkyl,

[0110] R 2 C may be substituted with one or more fluorine atoms1－6 Alkylene,

[0111] p is 0 or 1,

[0112] q is independently 0 or 1,

[0113] R Si are each independently a monovalent group including a Si atom to which a hydroxyl group, a hydrolyzable group, a hydrogen atom or a monovalent group is bonded,

[0114] At least 1 R Si is a monovalent group containing a Si atom to which a hydroxyl group or a hydrolyzable group is bonded,

[0115] X A are each independently a single bond or a 2- to 10-valent group,

[0116] α1 is an integer from 1 to 9,

[0117] β1 is an integer from 1 to 9,

[0118] γ1 is each independently an integer of 1 to 9. ].

[0119]

[12] The surface treatment agent according to

[11] , wherein

[0120] In formula (A1) and formula (A2), R F Each is independently a group represented by the following formula:

[0121] -(OC6F 12 ) a -(OC5F 10 ) b -(OC4F8) c -(OC3R Fa 6) d -(OC2F4) e -(OCF2) f -

[0122] [Where:

[0123] R Fa are independently a hydrogen atom, a fluorine atom or a chlorine atom,

[0124] a, b, c, d, e and f are each independently an integer of 0 to 200, the sum of a, b, c, d, e and f is 1 or more, the order of existence of the repeating units marked with a, b, c, d, e or f and enclosed in parentheses in the formula is arbitrary, wherein all R Fa When it is a hydrogen atom or a chlorine atom, at least one of a, b, c, e and f is 1 or more. ].

[0125]

[13] The surface treatment agent according to

[11] or

[12] , wherein

[0126] In formula (A1) and formula (A2), Rf 1 C 1－16 Perfluoroalkyl,

[0127] R 2 C 1－6 Perfluoroalkylene,

[0128] R F Each is independently a group represented by the following formula:

[0129] -(OC6F 12 ) a -(OC5F 10 ) b -(OC4F8) c -(OC3F6) d -(OC2F4) e -(OCF2) f -

[0130] [Where:

[0131] a, b, c, d, e and f are each independently an integer of 0 to 200, the sum of a, b, c, d, e and f is 1 or more, the order of existence of the repeating units marked with a, b, c, d, e or f and enclosed in parentheses in the formula is arbitrary, wherein all R Fa When it is a hydrogen atom or a chlorine atom, at least one of a, b, c, e and f is 1 or more. ].

[0132]

[14] The surface treatment agent according to any one of

[11] to

[13] , wherein

[0133] In formula (A1) and formula (A2), R F are independently a group represented by the following formula (f1), formula (f2), formula (f3), formula (f4), formula (f5) or formula (f6):

[0134] -(OC3F6) d -(OC2F4) e - (f1)

[0135] [Wherein, d is an integer of 1 to 200, and e is 0 or 1.],

[0136] -(OC4F8) c -(OC3F6) d -(OC2F4) e -(OCF2) f - (f2)

[0137] [wherein, c and d are each independently an integer of 0 to 30,

[0138] e and f are each independently an integer of 1 to 200,

[0139] The sum of c, d, e and f is an integer from 10 to 200,

[0140] The order of presence of the repeating units marked with c, d, e or f and enclosed in brackets in the formula is arbitrary. ],

[0141] -(R 6 -R 7 ) g - (f3)

[0142] [Where R 6 For OCF2 or OC2F4,

[0143] R 7 is selected from OC2F4, OC3F6, OC4F8, OC5F 10 and OC6F 12 or a combination of two or three groups selected from these groups,

[0144] g is an integer from 2 to 100. ],

[0145] -(R 6 -R 7 ) g -R r -(R 7′ -R 6′ ) g′ - (f4)

[0146] [Where R 6 For OCF2 or OC2F4,

[0147] R 7 is selected from OC2F4, OC3F6, OC4F8, OC5F 10 and OC6F 12 or a combination of 2 or 3 groups independently selected from these groups,

[0148] R 6′ For OCF2 or OC2F4,

[0149] R 7′ is selected from OC2F4, OC3F6, OC4F8, OC5F 10 and OC6F 12 or a combination of 2 or 3 groups independently selected from these groups,

[0150] g is an integer from 2 to 100,

[0151] g′ is an integer from 2 to 100,

[0152] R r for

[0153]

[0154] (In the formula, * indicates the binding position.) ],

[0155] -(OC6F 12 ) a -(OC5F 10 ) b -(OC4F8) c -(OC3F6) d -(OC2F4) e -(OCF2) f - (f5)

[0156] [In the formula, e is an integer from 1 to 200, a, b, c, d and f are each independently an integer from 0 to 200, and the order of existence of each repeating unit marked with a, b, c, d, e or f and enclosed in parentheses is arbitrary in the formula.],

[0157] -(OC6F 12 ) a -(OC5F 10 ) b -(OC4F8) c -(OC3F6) d -(OC2F4) e -(OCF2) f - (f6)

[0158] [In the formula, f is an integer from 1 to 200, a, b, c, d and e are each independently an integer from 0 to 200, and the order of existence of each repeating unit marked with a, b, c, d, e or f and enclosed in parentheses is arbitrary in the formula. ].

[0159]

[15] The surface treatment agent according to any one of

[11] to

[14] , wherein

[0160] R Si It is a group represented by the following formula (S1), formula (S2), formula (S3), formula (S4) or formula (S5):

[0161]

[0162] -SiR 11 n1 R 123-n1 (S2)

[0163] -SiR a1 k1 R b1 l1 R c1 m1 (S3)

[0164] -CR d1 k2 R e1 l2 R f1 m2 (S4)

[0165] -NR g1 R h1 (S5)

[0166] [Where:

[0167] R 11 are independently a hydroxyl group or a hydrolyzable group,

[0168] R 12 are each independently a hydrogen atom or a monovalent organic group,

[0169] n1 in each (SiR 11 n1 R 12 3-n1 ) units are each independently an integer from 0 to 3,

[0170] X 11 are each independently a single bond or a divalent group,

[0171] R 13 are each independently a hydrogen atom or a monovalent organic group,

[0172] t are each independently an integer greater than 2,

[0173] R 14 are independently a hydrogen atom, a halogen atom or -X 11 -SiR 11 n1 R 12 3-n1 ,

[0174] R 15 are each independently a single bond, an oxygen atom, an alkylene group having 1 to 6 carbon atoms, or an alkyleneoxy group having 1 to 6 carbon atoms,

[0175] R a1 Each independently is -Z 1 -SiR 21p1 R 22 q1 R 23 r1 ;

[0176] Z 1 are each independently a divalent group,

[0177] R 21 Independently -Z 1′ -SiR 21′ p1′ R 22′ q1′ R 23′ r1′ ;

[0178] R 22 are independently a hydroxyl group or a hydrolyzable group,

[0179] R 23 are each independently a hydrogen atom or a monovalent organic group,

[0180] p1 is an integer from 0 to 3, respectively, independently.

[0181] q1 are each independently an integer from 0 to 3,

[0182] r1 is an integer from 0 to 3 independently.

[0183] The sum of p1, q1 and r1 is (SiR 21 p1 R 22 q1 R 23 r1 ) unit is 3,

[0184] Z 1′ are each independently a divalent group,

[0185] R 21′ Independently -Z 1" -SiR 22" q1" R 23" r1" ;

[0186] R 22′ are independently a hydroxyl group or a hydrolyzable group,

[0187] R 23′ are each independently a hydrogen atom or a monovalent organic group,

[0188] p1′ is independently an integer from 0 to 3,

[0189] q1′ is independently an integer from 0 to 3,

[0190] r1′ is independently an integer from 0 to 3,

[0191] The sum of p1′, q1′ and r1′ is (SiR 21′ p1′ R 22′ q1′ R 23′ r1′ ) unit is 3,

[0192] Z 1" are each independently a divalent group,

[0193] R 22" are independently a hydroxyl group or a hydrolyzable group,

[0194] R 23" are each independently a hydrogen atom or a monovalent organic group,

[0195] q1" are each independently an integer from 0 to 3,

[0196] r1" are each independently an integer from 0 to 3,

[0197] The sum of q1" and r1" is (SiR 22" q1" R 23" r1" ) unit is 3,

[0198] R b1 are independently a hydroxyl group or a hydrolyzable group,

[0199] R c1 are each independently a hydrogen atom or a monovalent organic group,

[0200] k1 are each independently an integer from 0 to 3,

[0201] l1 are each independently an integer from 0 to 3,

[0202] m1 are each independently an integer of 0 to 3,

[0203] The sum of k1, l1 and m1 is (SiR a1 k1 R b1 l1 R c1 m1 ) unit is 3,

[0204] R d1 Independently -Z 2 -CR 31 p2 R 32q2 R 33 r2 ;

[0205] Z 2 are each independently a single bond or a divalent group;

[0206] R 31 Independently -Z 2′ -CR 32′ q2′ R 33′ r2′ ;

[0207] R 32 Independently -Z 3 -SiR 34 n2 R 35 3－n2 ,

[0208] R 33 are each independently a hydrogen atom, a hydroxyl group or a monovalent organic group,

[0209] p2 are each independently an integer from 0 to 3,

[0210] q2 are each independently an integer from 0 to 3,

[0211] r2 are each independently an integer from 0 to 3,

[0212] The sum of p2, q2 and r2 is (CR 31 p2 R 32 q2 R 33 r2 ) unit is 3,

[0213] Z 2′ are each independently a single bond or a divalent group;

[0214] R 32′ Independently -Z 3 -SiR 34 n2 R 35 3－n2 ,

[0215] R 33′ are each independently a hydrogen atom, a hydroxyl group or a monovalent organic group,

[0216] q2′ are each independently an integer from 0 to 3,

[0217] r2′ is independently an integer of 0 to 3,

[0218] The sum of q2′ and r2′ is (CR 32′ q2′ R 33′ r2′ ) unit is 3,

[0219] Z 3 are each independently a single bond or a divalent group;

[0220] R 34 are independently a hydroxyl group or a hydrolyzable group,

[0221] R 35 are each independently a hydrogen atom or a monovalent organic group,

[0222] n2 are each independently an integer of 0 to 3,

[0223] R e1 Independently -Z 3 -SiR 34 n2 R 35 3－n2 ,

[0224] R f1 are each independently a hydrogen atom, a hydroxyl group or a monovalent organic group,

[0225] k2 are each independently an integer from 0 to 3,

[0226] l2 are each independently an integer from 0 to 3,

[0227] m2 are each independently an integer of 0 to 3,

[0228] The sum of k2, l2 and m2 is (CR d1 k2 R e1 l2 R f1 m2 ) unit is 3,

[0229] R g1 and R h1 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 Re1 l2 R f1 m2 ,

[0230] Z 4 are each independently a single bond or a divalent group,

[0231] Among them, in formula (S1), formula (S2), formula (S3), formula (S4) and formula (S5), there is at least one Si atom to which a hydroxyl group or a hydrolyzable group is bonded. ].

[0232]

[16] The surface treatment agent according to any one of

[11] to

[15] , wherein

[0233] α1, β1 and γ1 are 1, X A It is a divalent group.

[0234]

[17] The surface treatment agent according to any one of

[11] to

[16] , wherein

[0235] X A is a single bond or a divalent group represented by the following formula:

[0236] -(R 51 ) p5 -(X 51 ) q5 -

[0237] [Where:

[0238] R 51 is a single bond, -(CH2) s5 - or o-phenylene, m-phenylene or p-phenylene,

[0239] s5 is an integer from 1 to 20,

[0240] X 51 For - (X 52 ) l5 -

[0241] X 52 are independently selected from -O-, -S-, o-phenylene, m-phenylene or p-phenylene, -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 - in the group,

[0242] R53 are independently phenyl, C 1－6 Alkyl or C 1－6 Alkoxy,

[0243] R 54 are independently a hydrogen atom, a phenyl group or a C 1－6 alkyl,

[0244] m5 are each independently an integer of 1 to 100,

[0245] n5 are each independently an integer of 1 to 20,

[0246] l5 is an integer from 1 to 10,

[0247] p5 is 0 or 1,

[0248] q5 is 0 or 1,

[0249] Here, at least one of p5 and q5 is 1, and the order of existence of the repeating units marked with p5 or q5 and enclosed in parentheses is arbitrary,

[0250] Right side with R Si Combine. ].

[0251]

[18] The surface treatment agent according to any one of

[11] to

[15] , wherein

[0252] X A A group represented by the following formula:

[0253]

[0254] [Wherein, X a is a single bond or a divalent group. ].

[0255]

[19] The surface treatment agent according to any one of

[10] to

[18] , wherein

[0256] The content of the component (B) is 1 to 70% by mass based on the total of the component (A) and the component (B).

[0257]

[20] The surface treatment agent according to any one of

[10] to

[19] , wherein

[0258] The content of the component (B) is 1 to 40% by mass based on the total of the component (A) and the component (B).

[0259]

[21] The surface treatment agent according to any one of

[10] to

[20] , further comprising one or more other components selected from the group consisting of fluorinated oil, silicone oil, alcohol and a catalyst.

[0260]

[22] The surface treatment agent according to any one of

[10] to

[21] , further comprising a solvent.

[0261]

[23] The surface treatment agent according to any one of

[10] to

[22] , which is used as an antifouling coating agent or a water-repellent coating agent.

[0262]

[24] A pellet containing the surface treatment agent according to any one of

[10] to

[23] above.

[0263]

[25] An article comprising: a substrate; and a layer formed on the substrate using the surface treatment agent according to any one of

[10] to

[23] above.

[0264]

[26] The article described in

[25] , wherein the substrate is a glass substrate.

[0265]

[27] The article described in

[25] , which is an optical component.

[0266] Effects of the Invention

[0267] According to the present invention, it is possible to provide a surface treatment agent capable of imparting a surface treatment layer having higher friction durability. DETAILED DESCRIPTION

[0268] When used in this specification, "monovalent organic group" refers to a monovalent group containing carbon. The monovalent organic group is not particularly limited, and may be a hydrocarbon group or a derivative thereof. A derivative of a hydrocarbon group refers to a group having one or more N, O, S, Si, amide, sulfonyl, siloxane, carbonyl, carbonyloxy, etc. at the end of the hydrocarbon group or in the molecular chain. Among them, when it is only written as "organic group", it means a monovalent organic group. In addition, a "divalent organic group" refers to a divalent group containing carbon. As such a divalent organic group, for example, a divalent group after one hydrogen atom is further separated from the organic group can be listed. A trivalent or higher organic group also refers to a group after a specified number of hydrogen atoms are separated from the organic group.

[0269] As used in this specification, "hydrocarbon group" refers to a group containing carbon and hydrogen, wherein a hydrogen atom is removed from a hydrocarbon. Such a hydrocarbon group is not particularly limited, and examples thereof include C 1－20 Hydrocarbon groups, such as aliphatic hydrocarbon groups, aromatic hydrocarbon groups, etc. The above-mentioned "aliphatic hydrocarbon groups" can be any one of linear, branched or cyclic, and can also be any one of saturated or unsaturated. In addition, the hydrocarbon group can contain one or more ring structures. The hydrocarbon group can also be substituted with one or more substituents.

[0270] As used in the present specification, the substituent of the "hydrocarbon group" is not particularly limited, and examples thereof include halogen atoms, C 1－6 Alkyl, C 2－6 Alkenyl, C 2－6 Alkynyl, C 3－10 Cycloalkyl, C 3－10 unsaturated cycloalkyl, 5- to 10-membered heterocyclic group, 5- to 10-membered unsaturated heterocyclic group, C 6－10 One or more of an aryl group and a 5- to 10-membered heteroaryl group.

[0271] In this specification, "hydrolyzable group" as used in this specification refers to a group that can undergo a hydrolysis reaction, that is, a group that can be separated from the main skeleton of a compound by a hydrolysis reaction. Examples of hydrolyzable groups include -OR h1 , -OCOR h1 、-O-N=CR h1 2. -NR h1 2. -NHR h1 , -NCO, halogen (in these formulas, R h1 represents a substituted or unsubstituted alkyl group having 1 to 4 carbon atoms), etc., preferably -OR h1 (ie, alkoxy). h1 Examples include unsubstituted alkyl groups such as methyl, ethyl, propyl, isopropyl, n-butyl, and isobutyl; and substituted alkyl groups such as chloromethyl. Among these, alkyl groups, particularly unsubstituted alkyl groups, are preferred, and methyl or ethyl groups are more preferred.

[0272] (Surface treatment agent)

[0273] The surface treatment agent of the present invention comprises:

[0274] Component (A): a fluorinated polyether group-containing silane compound, and

[0275] Component (B): a fluoropolyether group-containing polyoxyalkylene compound represented by formula (B1) or formula (B2):

[0276] R FB1 -X B -R B (B1)

[0277] R B -X B -R FB2 -X B -R B (B2)

[0278] [Where:

[0279] R FB1Rf 1 -R F -O q -

[0280] R FB2 Rf 2 p -R F -O q -

[0281] R F are each independently a divalent fluorinated polyether group,

[0282] R 1 C may be substituted with one or more fluorine atoms 1－16 alkyl,

[0283] R 2 C may be substituted with one or more fluorine atoms 1－6 Alkylene,

[0284] p is 0 or 1,

[0285] q is independently 0 or 1,

[0286] X B are each independently a single bond or a divalent group,

[0287] R B are each independently a group containing an oxyalkylene group. ].

[0288] The surface treatment agent of the present invention can provide a surface treatment layer imparting excellent friction durability by containing the fluoropolyether group-containing polyoxyalkylene compound represented by the component (B).

[0289] (Fluorinated polyether group-containing silane compound)

[0290] The fluorinated polyether group-containing silane compound is a compound containing a fluorinated polyether group and a hydrolyzable silane group.

[0291] In one embodiment, the fluorinated polyether group-containing silane compound is a fluorinated polyether group-containing silane compound represented by the following formula (A1) or formula (A2):

[0292] R FA1 α1 -X A -R Si β1 (A1)

[0293] R Si γ1 -X A -R FA2 -X A-R Si γ1 (A2)

[0294] [Where:

[0295] R FA1 Rf 1 -R F -O q -

[0296] R FA2 Rf 2 p -R F -O q -

[0297] R F are each independently a divalent fluorinated polyether group,

[0298] R 1 C may be substituted with one or more fluorine atoms 1－16 alkyl,

[0299] R 2 C may be substituted with one or more fluorine atoms 1－6 Alkylene,

[0300] p is 0 or 1,

[0301] q is independently 0 or 1,

[0302] R Si are each independently a monovalent group including a Si atom to which a hydroxyl group, a hydrolyzable group, a hydrogen atom or a monovalent group is bonded,

[0303] At least 1 R Si is a monovalent group containing a Si atom to which a hydroxyl group or a hydrolyzable group is bonded,

[0304] X A are each independently a single bond or a 2- to 10-valent group,

[0305] α1 is an integer from 1 to 9,

[0306] β1 is an integer from 1 to 9,

[0307] γ1 is each independently an integer of 1 to 9. ].

[0308] In formula (A1), R FA1 Rf 1 -R F -O q -

[0309] In formula (A2), R FA2 Rf2 p -R F -O q -

[0310] In formula (A1) and formula (A2), Rf 1 C may be substituted with one or more fluorine atoms 1－16 alkyl.

[0311] The above C optionally substituted with one or more fluorine atoms 1－16 The "C" in the alkyl 1－16 The "alkyl" may be linear or branched, preferably linear or branched C 1－6 Alkyl groups, especially C 1－3 Alkyl, more preferably a straight chain C 1－6 Alkyl groups, especially C 1－3 alkyl.

[0312] R 1 Preferably, C 1－16 Alkyl, more preferably CF2H-C 1－15 Perfluoroalkylene, more preferably C 1－16 Perfluoroalkyl.

[0313] C 1－16 The perfluoroalkyl group may be a straight chain or a branched chain, preferably a straight chain or a branched chain C 1－6 Perfluoroalkyl, especially C 1－3 Perfluoroalkyl, more preferably linear C 1－6 Perfluoroalkyl, especially C 1－3 The perfluoroalkyl group may specifically be -CF3, -CF2CF3 or -CF2CF2CF3.

[0314] In formula (A1) and formula (A2), Rf 2 C may be substituted with one or more fluorine atoms 1－6 Alkylene.

[0315] The above C which may be substituted with one or more fluorine atoms 1－6 The "C" in the alkylene 1－6 The "alkylene" may be linear or branched, preferably linear or branched C 1－3 Alkylene, more preferably a straight chain C 1－3 Alkylene.

[0316] R 2 Preferably, C 1－6 Alkylene, more preferably C 1－6 Perfluoroalkylene, more preferably C1－3 Perfluoroalkylene.

[0317] C 1－6 The perfluoroalkylene group may be linear or branched, and is preferably a linear or branched C 1－3 Perfluoroalkylene, more preferably a linear C 1－3 The perfluoroalkylene group is specifically -CF2-, -CF2CF2- or -CF2CF2CF2-.

[0318] In the above formula, p is 0 or 1. In one embodiment, p is 0. In another embodiment, p is 1.

[0319] In the above formula, q is independently 0 or 1. In one embodiment, q is 0. In another embodiment, q is 1.

[0320] In formula (A1) and formula (A2), R F Each independently is a divalent fluorinated polyether group.

[0321] R F Preferably, it is a group represented by the following formula:

[0322] -(OC6F 12 ) a -(OC5F 10 ) b -(OC4F8) c -(OC3R Fa 6) d -(OC2F4) e -(OCF2) f -

[0323] [Where:

[0324] R Fa are independently a hydrogen atom, a fluorine atom or a chlorine atom,

[0325] a, b, c, d, e and f are each independently an integer of 0 to 200, and the sum of a, b, c, d, e and f is 1 or more. The order of existence of each repeating unit marked with a, b, c, d, e or f and enclosed in parentheses in the formula is arbitrary. Fa When it is a hydrogen atom or a chlorine atom, at least one of a, b, c, e and f is 1 or more. ].

[0326] R Fa Preferably, it is a hydrogen atom or a fluorine atom, and more preferably, it is a fluorine atom. Fa When it is a hydrogen atom or a chlorine atom, at least one of a, b, c, e and f is 1 or more.

[0327] a, b, c, d, e and f are each independently preferably an integer of 0 to 100, more preferably an integer of 0 to 50.

[0328] The sum of a, b, c, d, e and f is preferably 5 or more, more preferably 10 or more, 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, more preferably 60 or less, for example, 50 or less or 30 or less.

[0329] These repeating units may be straight-chain or branched, and may also contain a ring structure. For example, -(OC6F 12 )- can 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)-(i.e., in the above formula, R Fa is a fluorine atom) may be -(OCF2CF2CF2)-, -(OCF(CF3)CF2)- or -(OCF2CF(CF3))-. -(OC2F4)- may be -(OCF2CF2)- or -(OCF(CF3))-.

[0330] The ring structure may be a three-membered ring, a four-membered ring, a five-membered ring or a six-membered ring.

[0331]

[0332] [Wherein, * indicates the binding position.]

[0333] The ring structure is preferably a four-membered ring, a five-membered ring or a six-membered ring, and more preferably a four-membered ring or a six-membered ring.

[0334] The repeating unit having a ring structure is preferably the following unit.

[0335]

[0336] [Wherein, * indicates the binding position.]

[0337] In one embodiment, the repeating unit is linear. When the repeating unit is linear, the surface slipperiness and friction durability of the surface treatment layer can be improved.

[0338] In one embodiment, the repeating unit is branched. By making the repeating unit branched, the dynamic friction coefficient of the surface treatment layer can be increased.

[0339] In one approach, R F Each independently represents a group represented by any one of the following formulae (f1) to (f6).

[0340] -(OC3F6) d -(OC2F4) e - (f1)

[0341] [In the formula, d is an integer of 1 to 200, and e is 0 or 1, preferably 0.]

[0342] -(OC4F8) c -(OC3F6) d -(OC2F4) e -(OCF2) f - (f2)

[0343] [wherein, c and d are each independently an integer from 0 to 30, e and f are each independently an integer from 1 to 200,

[0344] The sum of c, d, e and f is greater than 2,

[0345] The order of presence of the repeating units marked with c, d, e or f and enclosed in brackets in the formula is arbitrary. ],

[0346] -(R 6 -R 7 ) g - (f3)

[0347] [Where R 6 For OCF2 or OC2F4,

[0348] R 7is selected from OC2F4, OC3F6, OC4F8, OC5F 10 and OC6F 12 or a combination of 2 or 3 groups independently selected from these groups,

[0349] g is an integer from 2 to 100. ],

[0350] -(R 6 -R 7 ) g -R r -(R 7′ -R 6′ ) g′ - (f4)

[0351] [Where R 6 For OCF2 or OC2F4,

[0352] R 7 is selected from OC2F4, OC3F6, OC4F8, OC5F 10 and OC6F 12 or a combination of 2 or 3 groups independently selected from these groups,

[0353] R 6′ For OCF2 or OC2F4,

[0354] R 7′ is selected from OC2F4, OC3F6, OC4F8, OC5F 10 and OC6F 12 or a combination of 2 or 3 groups independently selected from these groups,

[0355] g is an integer from 2 to 100,

[0356] g′ is an integer from 2 to 100,

[0357] R r for

[0358]

[0359] (In the formula, * indicates the binding position.) ],

[0360] -(OC6F 12 ) a -(OC5F 10 ) b -(OC4F8) c -(OC3F6) d -(OC2F4) e -(OCF2) f - (f5)

[0361] [In the formula, e is an integer from 1 to 200, a, b, c, d and f are each independently an integer from 0 to 200, and the order of existence of each repeating unit marked with a, b, c, d, e or f and enclosed in parentheses is arbitrary in the formula.]

[0362] -(OC6F 12 ) a -(OC5F 10 ) b -(OC4F8) c -(OC3F6) d -(OC2F4) e -(OCF2) f -(f6)

[0363] [In the formula, f is an integer from 1 to 200, a, b, c, d and e are each independently an integer from 0 to 200, and the order of existence of each repeating unit marked with a, b, c, d, e or f and enclosed in parentheses is arbitrary in the formula.]

[0364] In the above formula (f1), d is preferably an integer of 5 to 200, more preferably an integer of 10 to 100, further preferably an integer of 15 to 50, for example, an integer of 25 to 35. OC3F6 in the above formula (f1) is preferably (OCF2CF2CF2), (OCF(CF3)CF2) or (OCF2CF(CF3)), more preferably (OCF2CF2CF2). In one embodiment, e is 0. In another embodiment, e is 1. (OC2F4) in the above formula (f1) is preferably (OCF2CF2) or (OCF(CF3)), more preferably (OCF2CF2).

[0365] In the above formula (f2), e and f are each independently preferably an integer of 5 to 200, more preferably an integer of 10 to 200. In addition, the sum of c, d, e and f is preferably 5 or more, more preferably 10 or more, for example, 15 or more or 20 or more. In one embodiment, the above formula (f2) is preferably -(OCF2CF2CF2CF2) c -(OCF2CF2CF2) d -(OCF2CF2) e -(OCF2) f In another embodiment, formula (f2) may be -(OC2F4) e -(OCF2) f - the group shown.

[0366] In the above formula (f3), R 6Preferably, it is OC2F4. In the above (f3), R 7 It is preferably a group 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, and examples thereof include -OC2F4OC3F6-, -OC2F4OC4F8-, -OC3F6OC2F4-, -OC3F6OC3F6-, -OC3F6OC4F8-, -OC4F8OC4F8-, -OC4F8OC3F6-, -OC4F8OC2F4-, -OC2F 4OC2F4OC3F6-, -OC2F4OC2F4OC4F8-, -OC2F4OC3F6OC2F4-, -OC2F4OC3F6OC3F6-, -OC2F4OC4F8OC2F4-, -OC3F6OC2F4OC2F4-, -OC3F6OC2F4OC3F6-, -OC3F6OC3F6OC2F4- and -OC4F8OC2F4OC2F4-. In the above formula (f3), g is preferably an integer of 3 or more, and more preferably an integer of 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 It may be either a straight chain or a branched chain, preferably a straight chain. In this embodiment, the above formula (f3) is preferably -(OC2F4-OC3F6) g -or-(OC2F4-OC4F8) g -

[0367] In the above formula (f4), R 6 , R 7 and g have the same meanings as those described in the above formula (f3) and have the same form. 6′ , R 7′ and g′ respectively have the same meanings as R described in the above formula (f3). 6 , R 7 Same as g, in the same way. r Preferably

[0368]

[0369] [Wherein, * indicates the binding position.],

[0370] More preferably

[0371]

[0372] [Wherein, * indicates the binding position. ].

[0373] In the above formula (f5), e is preferably an integer of 1 to 100, more preferably 5 to 100. The sum of a, b, c, d, e and f is preferably 5 or more, more preferably 10 or more, for example 10 to 100.

[0374] In the above formula (f6), f is preferably an integer of 1 to 100, more preferably 5 to 100. The sum of a, b, c, d, e and f is preferably 5 or more, more preferably 10 or more, for example 10 to 100.

[0375] In one approach, R F It is a group represented by the above formula (f1).

[0376] In one approach, R F It is a group represented by the above formula (f2).

[0377] In one approach, R F It is a group represented by the above formula (f3) or (f4).

[0378] In one embodiment, the above R F It is a group represented by the above formula (f3).

[0379] In one embodiment, the above R F It is a group represented by the above formula (f4).

[0380] In one approach, R F It is a group represented by the above formula (f5).

[0381] In one approach, R F It is a group represented by the above formula (f6).

[0382] In R F In the embodiment of the present invention, the ratio of e to f (hereinafter referred to as "e / f ratio") is preferably 0.1 to 10, more preferably 0.2 to 5, more preferably 0.2 to 2, further preferably 0.2 to 1.5, and particularly preferably 0.2 to 0.85. By making the e / f ratio less than 10, the sliding property, friction durability and chemical resistance (for example, durability to artificial sweat) of the surface treatment layer obtained from the compound can be further improved. The smaller the e / f ratio, the further the sliding property and friction durability of the surface treatment layer can be improved. On the other hand, by making the e / f ratio greater than 0.1, the stability of the compound can be further improved. The larger the e / f ratio, the further the stability of the compound can be improved.

[0383] In one embodiment, from the viewpoint of heat resistance, the e / f ratio may be preferably 1.0 or more, and more preferably 1.0 to 2.0.

[0384] In the above fluorinated polyether group-containing silane compound, R FA1 and R FB2 The number average molecular weight of the moiety is not particularly limited, and is, for example, 500 to 30,000, preferably 1,500 to 30,000, and more preferably 2,000 to 10,000. FA1 and R FA2 The number average molecular weight is obtained by 19 The value measured by F-NMR.

[0385] In formula (A1) and formula (A2), R Si are each independently a monovalent group including a Si atom to which a hydroxyl group, a hydrolyzable group, a hydrogen atom or a monovalent group is bonded, and at least one R Si It is a monovalent group including a Si atom to which a hydroxyl group or a hydrolyzable group is bonded.

[0386] In a preferred embodiment, R Si It is a monovalent group including a Si atom to which a hydroxyl group or a hydrolyzable group is bonded, and it is more preferably a monovalent group including a Si atom to which a hydrolyzable group is bonded.

[0387] In a preferred embodiment, R Si It is a group represented by the following formula (S1), formula (S2), formula (S3), formula (S4) or formula (S5):

[0388]

[0389] -SiR 11 n1 R 12 3-n1 (S2)

[0390] -SiR a1 k1 R b1 l1 R c1 m1 (S3)

[0391] -CR d1 k2 R e1 l2 R f1 m2 (S4)

[0392] -NR g1 R h1 (S5).

[0393] In the above formula, R 11 Each independently represents a hydroxyl group or a hydrolyzable group.

[0394] R 11 Preferably, each is independently a hydrolyzable group.

[0395] R 11 Preferably, each independently is -OR h1 , -OCOR h1 、-O-N=CR h1 , -NR h1 2. -NHR h1 , -NCO or halogen (in these formulas, R h1 Indicates substituted or unsubstituted C 1－4 alkyl), more preferably -OR h1 (ie, alkoxy). h1 , non-substituted alkyl groups such as methyl, ethyl, propyl, isopropyl, n-butyl, isobutyl, etc., and substituted alkyl groups such as chloromethyl, etc. are listed. Among these, alkyl groups are preferred, non-substituted alkyl groups are particularly preferred, and methyl or ethyl groups are more preferred. In one embodiment, R h1 In another embodiment, R h1 It is ethyl.

[0396] In the above formula, R 12 Each independently represents a hydrogen atom or a monovalent group. Such a monovalent group is a monovalent group other than the above-mentioned hydrogen atom, hydroxyl group and hydrolyzable group.

[0397] The monovalent group is preferably a monovalent organic group. Such a monovalent organic group is a monovalent organic group other than the hydrolyzable group.

[0398] In R 12 In the example, the monovalent group is preferably C 1－20 Alkyl, more preferably C 1－6 The alkyl group is more preferably a methyl group.

[0399] In the above formula, n1 is in each (SiR 11 n1 R 12 3－n1 ) units are independently an integer of 0 to 3. Si In the case of a group represented by formula (S1) or formula (S2), R at the end of formula (A1) and formula (A2) Si In the part (hereinafter also referred to as the "terminal part" of formula (A1) and formula (A2)), at least one (SiR 11 n1 R 123－n1 ) unit. That is, all n1 in such terminal parts are not 0 at the same time. In other words, at least one Si atom to which a hydroxyl group or a hydrolyzable group is bonded exists in the terminal parts of formula (A1) and formula (A2).

[0400] n1 in each (SiR 11 n1 R 12 3－n1 ) units are each independently an integer of preferably 1 to 3, more preferably 2 or 3, and even more preferably 3.

[0401] In the above formula, X 11 Each independently represents 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 -(where R 28 and R 29 are independently a single bond or C 1－20 alkylene, x is 0 or 1. ). 1－20 The alkylene group may be a straight chain or a branched chain, and is preferably a straight chain. 1－20 The alkylene group is preferably C 1－10 Alkylene, more preferably C 1－6 Alkylene, more preferably C 1－3 Alkylene.

[0402] In one approach, X 11 Each independently is -C 1－6 Alkylene-O-C 1－6 Alkylene-or-O-C 1－6 Alkylene-. It should be noted that X 11 The right side of is combined with Si.

[0403] In a preferred embodiment, X 11 are independently single-bonded or linear C 1－6 Alkylene, preferably a single bond or straight chain C 1－3 Alkylene, more preferably a single bond or straight chain C 1－2 Alkylene, more preferably a straight chain C 1－2 Alkylene.

[0404] In the above formula, R 13 Each independently represents a hydrogen atom or a monovalent organic group. Such a monovalent organic group is preferably C 1－20 Alkyl. 1－20 The alkyl group may be a linear chain or a branched chain, and is preferably a linear chain.

[0405] In a preferred embodiment, R 13 are independently a hydrogen atom or a linear C 1－6 Alkyl, preferably a hydrogen atom or a straight-chain C 1－3 The alkyl group is preferably a hydrogen atom or a methyl group.

[0406] In the above formula, t is each independently an integer of 2 or more.

[0407] t is preferably an integer of 2-10, more preferably an integer of 2-6, respectively independently.

[0408] In the above formula, R 14 are independently a hydrogen atom, a halogen atom or -X 11 -SiR 11 n1 R 12 3－n1 Such a 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 A hydrogen atom.

[0409] In the above formula, R 15 Each occurrence of is independently a single bond, an oxygen atom, an alkylene group having 1 to 6 carbon atoms, or an alkyleneoxy group having 1 to 6 carbon atoms. 13 of carbon atoms.

[0410] In one approach, R 15 Each occurrence is independently an oxygen atom, an alkylene group having 1 to 6 carbon atoms, or an alkyleneoxy group having 1 to 6 carbon atoms.

[0411] In a preferred embodiment, R 15 For a single key.

[0412] In one embodiment, formula (S1) is the following formula (S1-a).

[0413]

[0414] [Wherein,

[0415] R 11 , R 12 , R 13 , X 11 and n1 have the same meanings as those described in the above formula (S1),

[0416] t1 and t2 are each independently an integer greater than 0, preferably an integer greater than 1, more preferably an integer from 1 to 10, and even more preferably an integer from 2 to 10, for example an integer from 1 to 5 or an integer from 2 to 5, and the total of t1 and t2 is greater than 2,

[0417] The order of presence of the repeating units indicated by t1 and t2 and enclosed in parentheses is arbitrary in the formula.]

[0418] In a preferred embodiment, formula (S1) is the following formula (S1-b).

[0419]

[0420] [Where R 11 , R 12 , R 13 , X 11 , n1 and t have the same meanings as those described in the above formula (S1)]

[0421] In the above formula, R a1 Independently -Z 1 -SiR 21 p1 R 22 q1 R 23 r1 .

[0422] Z 1 Each is independently a divalent group. 1 The right side of the structure is 21 p1 R 22 q1 R 23 r1 )combined.

[0423] The divalent group is preferably an oxygen atom, a sulfur atom, NH, CO or a divalent organic group, and more preferably an oxygen atom or a divalent organic group.

[0424] In a preferred embodiment, Z 1 It is a divalent organic group.

[0425] In a preferred embodiment, Z 1 Not including Z 1 The bonded Si atom forms a siloxane bond. 1 -Si) does not contain siloxane bonds.

[0426] The above Z 1 Preferably C 1－6 Alkylene, -(CH2) z1 -O-(CH2)z2 -(wherein z1 is an integer of 0 to 6, for example, an integer of 1 to 6, and z2 is an integer of 0 to 6, for example, an integer of 1 to 6) or -(CH2) z3 -phenylene-(CH2) z4 - (wherein z3 is an integer of 0 to 6, for example, an integer of 1 to 6, and z4 is an integer of 0 to 6, for example, an integer of 1 to 6). 1－6 The alkylene group may be a straight chain or a branched chain, preferably a straight chain. 1－6 Alkyl, C 2－6 Alkenyl and C 2－6 One or more substituents in the alkynyl group are preferably unsubstituted.

[0427] In a preferred embodiment, Z 1 C 1－6 Alkylene or -(CH2) z3 -phenylene-(CH2) z4 -, preferably -phenylene-(CH2) z4 -. In Z 1 In the case of such a group, light resistance, particularly ultraviolet resistance, is further improved.

[0428] In another preferred embodiment, the above Z 1 C 1－3 In one embodiment, Z 1 It can be -CH2CH2CH2-. In another embodiment, Z 1 It can be -CH2CH2-.

[0429] R 21 Independently -Z 1′ -SiR 21′ p1′ R 22′ q1′ R 23′ r1′ .

[0430] The above Z 1′ Each is independently a divalent group. 1′ The right side of the structure is 21′ p1′ R 22′ q1′ R 23′ r1′ )combined.

[0431] The divalent group is preferably an oxygen atom, a sulfur atom, NH, CO or a divalent organic group, and more preferably an oxygen atom or a divalent organic group.

[0432] In a preferred embodiment, Z 1′ It is a divalent organic group.

[0433] In a preferred embodiment, Z 1′ Not including Z 1′ The bonded Si atom forms a siloxane bond. 1′ -Si) does not contain siloxane bonds.

[0434] The above Z 1′ Preferably C 1－6 Alkylene, -(CH2) z1′ -O-(CH2) z2′ -(wherein z1′ is an integer of 0 to 6, for example, an integer of 1 to 6, and z2′ is an integer of 0 to 6, for example, an integer of 1 to 6) or -(CH2) z3′ -phenylene-(CH2) z4′ - (wherein z3' is an integer of 0 to 6, for example, an integer of 1 to 6, and z4' is an integer of 0 to 6, for example, an integer of 1 to 6). 1－6 The alkylene group may be a straight chain or a branched chain, preferably a straight chain. 1－6 Alkyl, C 2－6 Alkenyl and C 2－6 One or more substituents of the alkynyl group are preferably unsubstituted.

[0435] In a preferred embodiment, Z 1′ C 1－6 Alkylene or -(CH2) z3′ -phenylene-(CH2) z4′ -, preferably -phenylene-(CH2) z4′ -. In Z 1′ In the case of such a group, light resistance, particularly ultraviolet resistance, is further improved.

[0436] In another preferred embodiment, the above Z 1′ C 1－3 In one embodiment, Z 1′ It can be -CH2CH2CH2-. In another embodiment, Z 1′ It can be -CH2CH2-.

[0437] R 21′ Independently -Z 1" -SiR 22" q1" R 23" r1" .

[0438] The above Z1" Each is independently a divalent group. 1" The right side of the structure is 22" q1" R 23" r1" )combined.

[0439] The divalent group is preferably an oxygen atom, a sulfur atom, NH, CO or a divalent organic group, and more preferably an oxygen atom or a divalent organic group.

[0440] In a preferred embodiment, Z 1" It is a divalent organic group.

[0441] In a preferred embodiment, Z 1" Not including Z 1" The bonded Si atom forms a siloxane bond. 1" -Si) does not contain siloxane bonds.

[0442] The above Z 1" Preferably C 1－6 Alkylene, -(CH2) z1" -O-(CH2) z2" -(wherein, z1" is an integer of 0 to 6, for example, an integer of 1 to 6, and z2" is an integer of 0 to 6, for example, an integer of 1 to 6) or -(CH2) z3" -phenylene-(CH2) z4" - (wherein z3" is an integer from 0 to 6, such as an integer from 1 to 6, and z4" is an integer from 0 to 6, such as an integer from 1 to 6). 1－6 The alkylene group may be a straight chain or a branched chain, preferably a straight chain. 1－6 Alkyl, C 2－6 Alkenyl and C 2－6 One or more substituents of the alkynyl group are preferably unsubstituted.

[0443] In a preferred embodiment, Z 1" C 1－6 Alkylene or -(CH2) z3” -phenylene-(CH2) z4” -, preferably -phenylene-(CH2) z4” -. In Z 1" In the case of such a group, light resistance, particularly ultraviolet resistance, is further improved.

[0444] In another preferred embodiment, the above Z 1" C 1－3 In one embodiment, Z 1"It can be -CH2CH2CH2-. In another embodiment, Z 1" It can be -CH2CH2-.

[0445] R 22" Each independently represents a hydroxyl group or a hydrolyzable group.

[0446] R 22" Preferably, each is independently a hydrolyzable group.

[0447] R 22" Preferably, each independently is -OR h1 , -OCOR h1 、-O-N=CR h1 2. -NR h1 2. -NHR h1 , -NCO, or halogen (in these formulas, R h1 Indicates substituted or unsubstituted C 1－4 alkyl), more preferably -OR h1 (ie, alkoxy). h1 , non-substituted alkyl groups such as methyl, ethyl, propyl, isopropyl, n-butyl, isobutyl, etc., and substituted alkyl groups such as chloromethyl, etc. are listed. Among these, alkyl groups are preferred, non-substituted alkyl groups are particularly preferred, and methyl or ethyl groups are more preferred. In one embodiment, R h1 is methyl, in another embodiment, R h1 It is ethyl.

[0448] R 23" Each independently represents a hydrogen atom or a monovalent organic group. Such a monovalent organic group is a monovalent organic group other than the above-mentioned hydrolyzable group.

[0449] In one embodiment, the monovalent organic group is C 1－20 Alkyl, more preferably C 1－6 The alkyl group is more preferably a methyl group.

[0450] q1" is an integer of 0 to 3 independently, and r1" is an integer of 0 to 3 independently. In addition, the sum of q1" and r1" is (SiR 22" q1" R 23" r1" ) unit is 3.

[0451] The above q1" is in each (SiR 22" q1" R 23" r1" ) units are each independently an integer of preferably 1 to 3, more preferably 2 to 3, and even more preferably 3.

[0452] R 22′Each independently represents a hydroxyl group or a hydrolyzable group.

[0453] R 22′ Preferably, each is independently a hydrolyzable group.

[0454] R 22′ Preferably, each independently is -OR h1 , -OCOR h1 、-O-N=CR h1 2. -NR h1 2. -NHR h1 , -NCO or halogen (in these formulas, R h1 Indicates substituted or unsubstituted C 1－4 alkyl), more preferably -OR h1 (ie, alkoxy). h1 , non-substituted alkyl groups such as methyl, ethyl, propyl, isopropyl, n-butyl, isobutyl, etc., and substituted alkyl groups such as chloromethyl, etc. are listed. Among these, alkyl groups are preferred, non-substituted alkyl groups are particularly preferred, and methyl or ethyl groups are more preferred. In one embodiment, R h1 is methyl, in another embodiment, R h1 It is ethyl.

[0455] R 23′ Each independently represents a hydrogen atom or a monovalent organic group. Such a monovalent organic group is a monovalent organic group other than the above-mentioned hydrolyzable group.

[0456] In one embodiment, the monovalent organic group is C 1－20 Alkyl, more preferably C 1－6 The alkyl group is more preferably a methyl group.

[0457] The above p1' is independently an integer of 0 to 3, q1' is independently an integer of 0 to 3, and r1' is independently an integer of 0 to 3. The sum of p', q1' and r1' is (SiR 21′ p1′ R 22′ q1′ R 23′ r1′ ) unit is 3.

[0458] In one embodiment, p1' is zero.

[0459] In one embodiment, p1′ is 21′ p1′ R 22′ q1′ R 23′ r1′ ) units are each independently an integer of 1 to 3, an integer of 2 to 3, or 3. In a preferred embodiment, p1' is 3.

[0460] In one embodiment, q1' is 21′ p1′ R 22′ q1′ R 23′ r1′ ) units are each independently an integer of 1 to 3, preferably 2 or 3, more preferably 3.

[0461] In one embodiment, p1' is 0 and q1' is 21′ p1′ R 22′ q1′ R 23′ r1′ ) units are each independently an integer of 1 to 3, preferably 2 or 3, and more preferably 3.

[0462] R 22 Each independently represents a hydroxyl group or a hydrolyzable group.

[0463] R 22 Preferably, each is independently a hydrolyzable group.

[0464] R 22 Preferably, each independently is -OR h1 , -OCOR h1 、-O-N=CR h1 2. -NR h1 2. -NHR h1 , -NCO or halogen (in these formulas, R h1 Indicates substituted or unsubstituted C 1－4 alkyl), more preferably -OR h1 (ie, alkoxy). h1 , non-substituted alkyl groups such as methyl, ethyl, propyl, isopropyl, n-butyl, isobutyl, etc., and substituted alkyl groups such as chloromethyl, etc. are listed. Among these, alkyl groups are preferred, non-substituted alkyl groups are particularly preferred, and methyl or ethyl groups are more preferred. In one embodiment, R h1 is methyl, in another embodiment, R h1 It is ethyl.

[0465] R 23 Each independently represents a hydrogen atom or a monovalent organic group. Such a monovalent organic group is a monovalent organic group other than the above-mentioned hydrolyzable group.

[0466] In one embodiment, the monovalent organic group is C 1－20 Alkyl, more preferably C 1－6 The alkyl group is more preferably a methyl group.

[0467] The above p1 is independently an integer of 0 to 3, q1 is independently an integer of 0 to 3, and r1 is independently an integer of 0 to 3. The total of p1, q1 and r1 is (SiR 21 p1 R 22 q1 R 23 r1 ) unit is 3.

[0468] In one embodiment, p1 is zero.

[0469] In one embodiment, p1 is 21 p1 R 22 q1 R 23 r1 ) units are each independently an integer of 1 to 3, an integer of 2 to 3, or 3. In a preferred embodiment, p1 is 3.

[0470] In one embodiment, q1 is 21 p1 R 22 q1 R 23 r1 ) units are each independently an integer of 1 to 3, preferably 2 or 3, more preferably 3.

[0471] In one embodiment, p1 is 0 and q1 is 21 p1 R 22 q1 R 23 r1 ) units are each independently an integer of 1 to 3, preferably 2 or 3, and more preferably 3.

[0472] In the above formula, R b1 Each independently represents a hydroxyl group or a hydrolyzable group.

[0473] R b1 Preferably, each is independently a hydrolyzable group.

[0474] R b1 Preferably, each independently is -OR h1 , -OCOR h1 、-O-N=CR h1 2. -NR h1 2. -NHR h1 , -NCO or halogen (in these formulas, R h1 Indicates substituted or unsubstituted C 1－4 alkyl), more preferably -OR h1(ie, alkoxy). h1 , non-substituted alkyl groups such as methyl, ethyl, propyl, isopropyl, n-butyl, isobutyl, etc., and substituted alkyl groups such as chloromethyl, etc. are listed. Among these, alkyl groups are preferred, non-substituted alkyl groups are particularly preferred, and methyl or ethyl groups are more preferred. In one embodiment, R h1 is methyl, in another embodiment, R h1 It is ethyl.

[0475] In the above formula, R c1 Each independently represents a hydrogen atom or a monovalent organic group. Such a monovalent organic group is a monovalent organic group other than the above-mentioned hydrolyzable group.

[0476] In one embodiment, the monovalent organic group is C 1－20 Alkyl, more preferably C 1－6 The alkyl group is more preferably a methyl group.

[0477] The above k1 is independently an integer of 0 to 3, l1 is independently an integer of 0 to 3, and m1 is independently an integer of 0 to 3. The total of k1, l1 and m1 is a1 k1 R b1 l1 R c1 m1 The number in the unit is 3.

[0478] In one embodiment, k1 is a1 k1 R b1 l1 R c1 m1 ) units are each independently an integer of 1 to 3, preferably 2 or 3, more preferably 3. In a preferred embodiment, k1 is 3.

[0479] In formula (A1) and formula (A2), R Si In the case of a group represented by formula (S3), it is preferred that at least two Si atoms to which a hydroxyl group or a hydrolyzable group is bonded exist at the terminal parts of formula (A1) and formula (A2).

[0480] In a preferred embodiment, the group represented by formula (S3) has -Z 1 -SiR 22 q1 R 23 r1 (wherein, q1 is an integer of 1 to 3, preferably 2 or 3, more preferably 3, and r1 is an integer of 0 to 2.) 1′ -SiR 22′ q1′ R 23′r1′ (wherein, q1′ is an integer from 1 to 3, preferably 2 or 3, more preferably 3, and r1′ is an integer from 0 to 2.) or -Z 1" -SiR 22" q1" R 23" r1" (wherein, q1" is an integer of 1 to 3, preferably 2 or 3, more preferably 3, and r1" is an integer of 0 to 2.) 1 , Z 1′ , Z 1" , R 22 , R 23 , R 22′ , R 23′ , R 22" and R 23" The meaning is the same as above.

[0481] In a preferred embodiment, in formula (S3) there is R 21′ In the case of at least one, preferably all, R 21′ Among them, q1" is an integer of 1 to 3, preferably 2 or 3, and more preferably 3.

[0482] In a preferred embodiment, in formula (S3) there is R 21 In the case of at least one, preferably all, R 21 Here, p1′ is 0, and q1′ is an integer of 1 to 3, preferably 2 or 3, and more preferably 3.

[0483] In a preferred embodiment, in formula (S3) there is R a1 In the case of at least one, preferably all, R a1 Here, p1 is 0, and q1 is an integer of 1 to 3, preferably 2 or 3, and more preferably 3.

[0484] 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.

[0485] In one embodiment, formula (S3) does not contain a siloxane bond.

[0486] R d1 Independently -Z 2 -CR 31 p2 R 32 q2 R 33 r2 .

[0487] Z 2 Each is independently a single bond or a divalent group. 2The right side of the structure is the same as (CR 31 p2 R 32 q2 R 33 r2 )combined.

[0488] The divalent group is preferably an oxygen atom, a sulfur atom, NH, CO or a divalent organic group, and more preferably an oxygen atom or a divalent organic group.

[0489] Z 2 Each independently is preferably an oxygen atom or a divalent organic group, and more preferably a divalent organic group.

[0490] The above Z 2 Preferably C 1－6 Alkylene, -(CH2) z5 -O-(CH2) z6 -(wherein z5 is an integer of 0 to 6, such as an integer of 1 to 6, and z6 is an integer of 0 to 6, such as an integer of 1 to 6) or -(CH2) z7 -phenylene-(CH2) z8 - (wherein z7 is an integer of 0 to 6, such as an integer of 1 to 6, and z8 is an integer of 0 to 6, such as an integer of 1 to 6). 1－6 The alkylene group may be a straight chain or a branched chain, preferably a straight chain. 1－6 Alkyl, C 2－6 Alkenyl and C 2－6 One or more substituents of the alkynyl group are preferably unsubstituted.

[0491] In a preferred embodiment, Z 2 C 1－6 Alkylene or -(CH2) z7 -phenylene-(CH2) z8 -, preferably -phenylene-(CH2) z8 -. In Z 2 In the case of such a group, light resistance, particularly ultraviolet resistance, is further improved.

[0492] In another preferred embodiment, the above Z 2 C 1－3 In one embodiment, Z 2 It can be -CH2CH2CH2-. In another embodiment, Z 2 It can be -CH2CH2-.

[0493] R 31 Independently -Z 2′ -CR 32′q2′ R 33′ r2′ .

[0494] Z 2′ Each is independently a single bond or a divalent group. 2′ The right side of the structure is the same as (CR 32′ q2′ R 33′ r2′ )combined.

[0495] The divalent group is preferably an oxygen atom, a sulfur atom, NH, CO or a divalent organic group, and more preferably an oxygen atom or a divalent organic group.

[0496] Z 2′ Each independently is preferably an oxygen atom or a divalent organic group, and more preferably a divalent organic group.

[0497] The above Z 2′ Preferably C 1－6 Alkylene, -(CH2) z5′ -O-(CH2) z6′ -(wherein, z5′ is an integer of 0 to 6, such as an integer of 1 to 6, and z6′ is an integer of 0 to 6, such as an integer of 1 to 6) or -(CH2) z7′ -phenylene-(CH2) z8′ - (wherein z7' is an integer from 0 to 6, such as an integer from 1 to 6, and z8' is an integer from 0 to 6, such as an integer from 1 to 6). 1－6 The alkylene group may be a straight chain or a branched chain, preferably a straight chain. 1－6 Alkyl, C 2－6 Alkenyl and C 2－6 One or more substituents of the alkynyl group are preferably unsubstituted.

[0498] In a preferred embodiment, Z 2′ C 1－6 Alkylene or -(CH2) z7′ -phenylene-(CH2) z8′ -, preferably -phenylene-(CH2) z8′ -. Z 2′ In the case of such a group, light resistance, particularly ultraviolet resistance, is further improved.

[0499] In another preferred embodiment, the above Z 2′ C 1－3 In one embodiment, Z 2′ It can be -CH2CH2CH2-. In another embodiment, Z 2′It can be -CH2CH2-.

[0500] R 32′ Independently -Z 3 -SiR 34 n2 R 35 3－n2 .

[0501] The above Z 3 Each is independently a single bond or a divalent group. 3 The right side of the structure is 34 n2 R 35 3－n2 )combined.

[0502] The divalent group is preferably an oxygen atom, a sulfur atom, NH, CO or a divalent organic group, and more preferably an oxygen atom or a divalent organic group.

[0503] Z 3 Each independently is preferably an oxygen atom or a divalent organic group, and more preferably a divalent organic group.

[0504] In one approach, Z 3 For oxygen atoms.

[0505] In one approach, Z 3 It is a divalent organic group.

[0506] The above Z 3 Preferably C 1－6 Alkylene, -(CH2) z5" -O-(CH2) z6" -(wherein, z5" is an integer of 0 to 6, such as an integer of 1 to 6, and z6" is an integer of 0 to 6, such as an integer of 1 to 6) or -(CH2) z7" -phenylene-(CH2) z8" - (wherein z7" is an integer from 0 to 6, such as an integer from 1 to 6, and z8" is an integer from 0 to 6, such as an integer from 1 to 6). 1－6 The alkylene group may be a straight chain or a branched chain, preferably a straight chain. 1－6 Alkyl, C 2－6 Alkenyl and C 2－6 One or more substituents of the alkynyl group are preferably unsubstituted.

[0507] In a preferred embodiment, Z 3 C 1－6 Alkylene or -(CH2) z7" -phenylene-(CH2) z8"-, preferably -phenylene-(CH2) z8" -. Z 3 In the case of such a group, light resistance, particularly ultraviolet resistance, is further improved.

[0508] In another preferred embodiment, the above Z 3 C 1－3 In one embodiment, Z 3 It can be -CH2CH2CH2-. In another embodiment, Z 3 It can be -CH2CH2-.

[0509] R 34 Each independently represents a hydroxyl group or a hydrolyzable group.

[0510] R 34 Preferably, each is independently a hydrolyzable group.

[0511] R 34 Preferably, each independently is -OR h1 , -OCOR h1 、-O-N=CR h1 2. -NR h1 2. -NHR h1 , -NCO or halogen (in these formulas, R h1 Indicates substituted or unsubstituted C 1－4 alkyl), more preferably -OR h1 (ie, alkoxy). h1 , non-substituted alkyl groups such as methyl, ethyl, propyl, isopropyl, n-butyl, isobutyl, etc., and substituted alkyl groups such as chloromethyl, etc. are listed. Among these, alkyl groups are preferred, non-substituted alkyl groups are particularly preferred, and methyl or ethyl groups are more preferred. In one embodiment, R h1 is methyl, in another embodiment, R h1 It is ethyl.

[0512] R 35 Each independently represents a hydrogen atom or a monovalent organic group. The monovalent organic group is a monovalent organic group other than the above-mentioned hydrolyzable group.

[0513] In R 35 The monovalent organic group is preferably C 1－20 Alkyl, more preferably C 1－6 The alkyl group is more preferably a methyl group.

[0514] In the above formula, n2 is in each (SiR 34 n2 R 35 3－n2 ) units are independently an integer from 0 to 3. SiIn the case of a group represented by formula (S4), at least one (SiR 34 n2 R 35 3－n2 ) unit. That is, all n2 in the terminal portion are not 0 at the same time. In other words, at least one Si atom to which a hydroxyl group or a hydrolyzable group is bonded exists in the terminal portion of formula (A1) and formula (A2).

[0515] n2 in each (SiR 34 n2 R 35 3－n2 ) units are each independently an integer of preferably 1 to 3, more preferably 2 or 3, and even more preferably 3.

[0516] R 33′ Each independently represents a hydrogen atom, a hydroxyl group or a monovalent organic group. The monovalent organic group is a monovalent organic group other than the above-mentioned hydrolyzable group.

[0517] In R 33′ The monovalent organic group is preferably C 1－20 Alkyl or R 41′ -(OR 42′ ) y1′ -O y2′ -(where R 41′ A hydrogen atom or C 1－6 Alkyl, R 42′ C 1－6 Alkylene, y1′ is an integer of 1 to 30, and y2′ is 0 or 1. )

[0518] In one approach, R 41′ A hydrogen atom.

[0519] In another way, R 41′ C 1－6 Alkyl, preferably C 1－3 alkyl.

[0520] R 42′ C 1－6 Alkylene, preferably C 1－3 Alkylene, more preferably C 2－3 Alkylene.

[0521] y1′ is an integer of 1 to 30, preferably an integer of 1 to 20, more preferably an integer of 1 to 10, further preferably an integer of 2 to 10, for example an integer of 2 to 6, an integer of 2 to 4, an integer of 3 to 6, or an integer of 4 to 6.

[0522] In one approach, R 33′ It is hydroxyl.

[0523] In another way, R 33′ C 1－20 Alkyl, more preferably C 1－6 alkyl.

[0524] In another way, R 33′ For R 41′ -(OR 42′ ) y1′ -O y2′ -

[0525] The above q2' is independently an integer of 0 to 3, and the above r2' is independently an integer of 0 to 3. The sum of q2' and r2' is (CR 32′ q2′ R 33′ r2′ ) unit is 3.

[0526] q2′ in each (CR 32′ q2′ R 33′ r2′ ) units are each independently an integer of preferably 1 to 3, more preferably 2 or 3, and even more preferably 3.

[0527] R 32 Independently -Z 3 -SiR 34 n2 R 35 3－n2 . Such-Z 3 -SiR 34 n2 R 35 3－n2 With the above R 32′ The records in have the same meaning.

[0528] R 33 Each independently represents a hydrogen atom, a hydroxyl group or a monovalent organic group. Such a monovalent organic group is a monovalent organic group other than the above-mentioned hydrolyzable group.

[0529] In R 33 The monovalent organic group is preferably C 1－20 Alkyl or R 41 -(OR 42 ) y1 -O y2 -(where R 41 A hydrogen atom or C 1－6 Alkyl, R 42 C 1－6Alkylene, y1 is an integer of 1 to 30, and y2 is 0 or 1. ) is a group represented by.

[0530] In one approach, R 41 A hydrogen atom.

[0531] In another way, R 41 C 1－6 Alkyl, preferably C 1－3 alkyl.

[0532] R 42 C 1－6 Alkylene, preferably C 1－3 Alkylene, more preferably C 2－3 Alkylene.

[0533] y1 is an integer of 1 to 30, preferably an integer of 1 to 20, more preferably an integer of 1 to 10, further preferably an integer of 2 to 10, for example an integer of 2 to 6, an integer of 2 to 4, an integer of 3 to 6 or an integer of 4 to 6.

[0534] In one approach, R 33 It is hydroxyl.

[0535] In another way, R 33 C 1－20 Alkyl, more preferably C 1－6 alkyl.

[0536] In another way, R 33 For R 41 -(OR 42 ) y1 -O y2 -

[0537] The above p2 is independently an integer of 0 to 3, q2 is independently an integer of 0 to 3, and r2 is independently an integer of 0 to 3. The sum of p2, q2 and r2 is (CR 31 p2 R 32 q2 R 33 r2 ) unit is 3.

[0538] In one embodiment, p2 is zero.

[0539] In one embodiment, p2 is 31 p2 R 32 q2 R 33 r2) units are each independently an integer of 1 to 3, an integer of 2 to 3, or 3. In a preferred embodiment, p2 is 3.

[0540] In one embodiment, q2 is 31 p2 R 32 q2 R 33 r2 ) units are each independently an integer of 1 to 3, preferably 2 or 3, more preferably 3.

[0541] In one embodiment, p2 is 0 and q2 is 31 p2 R 32 q2 R 33 r2 ) units are each independently an integer of 1 to 3, preferably 2 or 3, and more preferably 3.

[0542] R e1 Independently -Z 3 -SiR 34 n2 R 35 3－n2 . Such-Z 3 -SiR 34 n2 R 35 3－n2 With the above R 32′ The records in have the same meaning.

[0543] R f1 Each independently represents a hydrogen atom, a hydroxyl group or a monovalent organic group. The monovalent organic group is a monovalent organic group other than the above-mentioned hydrolyzable group.

[0544] In R f1 The monovalent organic group is preferably C 1－20 Alkyl or R 43 -(OR 44 ) y3 -O y4 -(where R 43 A hydrogen atom or C 1－6 Alkyl, R 44 C 1－6 Alkylene, y3 is an integer of 1 to 30, and y4 is 0 or 1. ) is a group represented by.

[0545] In one approach, R 43 A hydrogen atom.

[0546] In another way, R 43 C1－6 Alkyl, preferably C 1－3 alkyl.

[0547] R 44 C 1－6 Alkylene, preferably C 1－3 Alkylene, more preferably C 2－3 Alkylene.

[0548] y3 is an integer of 1 to 30, preferably an integer of 1 to 20, more preferably an integer of 1 to 10, further preferably an integer of 2 to 10, for example an integer of 2 to 6, an integer of 2 to 4, an integer of 3 to 6 or an integer of 4 to 6.

[0549] In one approach, R f1 It is hydroxyl.

[0550] In another way, R f1 C 1－20 Alkyl, more preferably C 1－6 alkyl.

[0551] In another way, R f1 For R 43 -(OR 44 ) y3 -O y4 -

[0552] The above k2 is independently an integer of 0 to 3, l2 is independently an integer of 0 to 3, and m2 is independently an integer of 0 to 3. The sum of k2, l2 and m2 is (CR d1 k2 R e1 l2 R f1 m2 ) unit is 3.

[0553] In formula (A1) and formula (A2), R Si In the case of a group represented by formula (S4), it is preferred that at least two Si atoms to which a hydroxyl group or a hydrolyzable group is bonded exist at the terminal parts of formula (A1) and formula (A2).

[0554] In one approach, R Si In the case of 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) units exist in 2 or more numbers at each terminal portion of formula (A1) and formula (A2), for example, 2 to 27 numbers, preferably 2 to 9 numbers, more preferably 2 to 6 numbers, even more preferably 2 to 3 numbers, and particularly preferably 3 numbers.

[0555] In a preferred embodiment, in formula (S4) there is R 32′ In the case of at least one, preferably all, R 32′ Among them, n2 is an integer of 1 to 3, preferably 2 or 3, and more preferably 3.

[0556] In a preferred embodiment, in formula (S4) there is R 32 In the case of at least one, preferably all, R 32 Among them, n2 is an integer of 1 to 3, preferably 2 or 3, and more preferably 3.

[0557] In a preferred embodiment, in formula (S4) there is R e1 In the case of at least one, preferably all, R a1 Among them, n2 is an integer of 1 to 3, preferably 2 or 3, and more preferably 3.

[0558] 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.

[0559] In one embodiment, formula (S4) does not contain a siloxane bond.

[0560] R g1 and R h1 Independently -Z 4 -SiR 11 n1 R 12 3－n1 , -Z 4 -SiR a1 k1 R b1 l1 R c1 m1 , -Z 4 -CR d1 k2 R e1 l2 R f1 m2 Among them, 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 meanings as above.

[0561] In a preferred embodiment, R g1 and R h1 Independently -Z 4 -SiR 11 n1 R 12 3－n1 .

[0562] The above Z 4 Each is independently a single bond or a divalent group. 4 The right side of the structure is 11 n1 R 12 3－n1 )combined.

[0563] The divalent group is preferably an oxygen atom, a sulfur atom, NH, CO or a divalent organic group, and more preferably an oxygen atom or a divalent organic group.

[0564] Z 4 Each independently is preferably an oxygen atom or a divalent organic group, and more preferably a divalent organic group.

[0565] In one approach, Z 4 For oxygen atoms.

[0566] In one approach, Z 4 It is a divalent organic group.

[0567] The above Z 4 Preferred C 1－6 Alkylene, -(CH2) z5" -O-(CH2) z6" -(wherein z5" is an integer of 0 to 6, for example, an integer of 1 to 6, and z6" is an integer of 0 to 6, for example, an integer of 1 to 6) or -(CH2) z7" -phenylene-(CH2) z8" - (wherein, z7" is an integer of 0 to 6, for example, an integer of 1 to 6, and z8" is an integer of 0 to 6, for example, an integer of 1 to 6). 1－6 The alkylene group may be a straight chain or a branched chain, preferably a straight chain. 1－6 Alkyl, C 2－6 Alkenyl and C 2－6 One or more substituents of the alkynyl group are preferably unsubstituted.

[0568] In a preferred embodiment, Z 4 C 1－6Alkylene or -(CH2) z7”" -phenylene-(CH2) z8" -, preferably -phenylene-(CH2) z8" -. Z 3 In the case of such a group, light resistance, particularly ultraviolet resistance, is further improved.

[0569] In another preferred embodiment, the above Z 4 C 1－3 In one embodiment, Z 4 It can be -CH2CH2CH2-. In another embodiment, Z 4 It can be -CH2CH2-.

[0570] In one approach, R Si It is a group represented by formula (S2), formula (S3), formula (S4) or formula (S5). These compounds can form a surface treatment layer having high surface slip properties.

[0571] In one approach, R Si The group is represented by formula (S1), formula (S3), formula (S4) or formula (S5). Since these compounds have multiple hydrolyzable groups at one end, they can strongly adhere to the substrate and form a surface treatment layer with high friction durability.

[0572] In one approach, R Si The group is represented by formula (S1), formula (S3) or formula (S4). Since these compounds have a plurality of hydrolyzable groups at one end, they can strongly adhere to the substrate and form a surface treatment layer with high friction durability.

[0573] In one approach, R Si The group is represented by formula (S3) or formula (S4). Since these compounds have a plurality of hydrolyzable groups branching from one Si atom or C atom at one end, they can form a surface treatment layer having higher friction durability.

[0574] In one approach, R Si It is a group represented by formula (S1).

[0575] In one approach, R Si It is a group represented by formula (S2).

[0576] In one approach, R Si It is a group represented by formula (S3).

[0577] In one approach, R Si It is a group represented by formula (S4).

[0578] In one approach, R Si It is a group represented by formula (S5).

[0579] In formula (A1), α1 is an integer of 1 to 9, and β1 is an integer of 1 to 9. These α1 and β1 can be determined according to X A The sum of α1 and β1 and X A have the same valence. For example, X A When X is a devalent group, the sum of α1 and β1 is 10, and for example, α1 is 9 and β1 is 1, α1 is 5 and β1 is 5, or α1 is 1 and β1 is 9. A In the case of a divalent group, α1 and β1 are 1.

[0580] In formula (A2), γ1 is an integer of 1 to 9. γ1 can be calculated according to X A That is, γ1 changes from X A The value of the valence minus 1.

[0581] In formula (A1) and formula (A2), X A It can be understood that the fluoropolyether portion (R FA1 and R FA2 ) and the site that provides bonding ability to the substrate (R Si Therefore, as long as the compounds represented by formula (A1) and formula (A2) can exist stably, the X A It may be a single bond or an arbitrary group.

[0582] X A Each independently represents a single bond or a di- to decavalent group.

[0583] X A Each independently is preferably a single bond or a di- to devalent organic group.

[0584] In one approach, X A Does not contain siloxane bonds (-Si-O-Si-).

[0585] The above X A The 2- to 10-valent group is preferably a 2- to 8-valent group. In one embodiment, such a 2- to 10-valent group is preferably a 2- to 4-valent group, and more preferably a 2-valent group. In another embodiment, such a 2- to 10-valent group is preferably a 3- to 8-valent group, and more preferably a 3- to 6-valent group.

[0586] In one approach, X A is a single bond or a divalent group, α1 is 1, and β1 is 1.

[0587] In one approach, X A is a single bond or a divalent group, and γ1 is 1.

[0588] The 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.

[0589] In one approach, X A It is a tri- to hexavalent group, preferably a tri- to hexavalent organic group, α1 is 1, and β1 is 2-5.

[0590] In one approach, X A It is a tri- to hexavalent group, preferably a tri- to hexavalent organic group, and γ1 is 2-5.

[0591] In one approach, X A is a trivalent group, preferably a trivalent organic group, α 1 is 1 and β1 is 2.

[0592] In one approach, X A is a trivalent group, preferably a trivalent organic group, γ 1 is 2.

[0593] X A In the case of a single bond or a divalent group, formula (A1) and formula (A2) are represented by the following formulas (A1′) and (A2′).

[0594] R F1 -X A -R Si (A1')

[0595] R Si -X A -R F2 -X A -R Si (A2')

[0596] In one approach, X A For a single key.

[0597] In another way, X A It is a divalent organic group.

[0598] In one approach, as X A For example, a single bond or a divalent organic group represented by the following formula can be cited:

[0599] -(R 51 ) p5 -(X 51 ) q5 -

[0600] [Wherein,

[0601] R 51 Represents a single bond, -(CH2) s5 - or o-phenylene, m-phenylene or p-phenylene, preferably -(CH2) s5 -

[0602] s5 is an integer of 1 to 20, preferably an integer of 1 to 6, more preferably an integer of 1 to 3, and even more preferably 1 or 2.

[0603] X 51 Indicates - (X 52 )l5-,

[0604] X 52 Each independently represents a group selected from -O-, -S-, o-phenylene, m-phenylene or p-phenylene, -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 - in the group,

[0605] R 53 Each independently represents a phenyl group, a C 1－6 Alkyl or C 1－6 Alkoxy, preferably phenyl or C 1－6 Alkyl, more preferably methyl,

[0606] R 54 Each independently represents a hydrogen atom, a phenyl group or a C 1－6 an alkyl group (preferably a methyl group),

[0607] m5 is independently an integer of 1 to 100 at each occurrence, preferably an integer of 1 to 20,

[0608] n5 is independently an integer of 1 to 20 at each occurrence, preferably an integer of 1 to 6, more preferably an integer of 1 to 3,

[0609] l5 is an integer of 1 to 10, preferably an integer of 1 to 5, more preferably an integer of 1 to 3,

[0610] p5 is 0 or 1,

[0611] q5 is 0 or 1,

[0612] Here, at least one of p5 and q5 is 1, and the order of existence of the repeating units marked with p5 or q5 and enclosed in parentheses is arbitrary,

[0613] Right side with R Si Combine.]

[0614] Here, X A (Typically X A The hydrogen atoms) may be substituted by fluorine atoms, C 1－3 Alkyl and C 1－3 One or more substituents of a fluoroalkyl group. A Not substituted by these groups.

[0615] In a preferred embodiment, the above X A Each independently is -(R 51 ) p5 -(X 51 ) q5 -R 52 -. R 52 Represents a single bond, -(CH2) t5 -, or o-phenylene, m-phenylene or p-phenylene, preferably -(CH2) t5 -. t5 is an integer of 1 to 20, preferably an integer of 2 to 6, and more preferably an integer of 2 to 3. 52 (Typically R 52 The hydrogen atoms) may be substituted by fluorine atoms, C 1－3 Alkyl and C 1－3 One or more substituents of a fluoroalkyl group. 56 Not substituted by these groups.

[0616] Preferably the above X A Respectively and independently:

[0617] single bond,

[0618] C 1－20 Alkylene,

[0619] -R 51 -X 53 -R 52 -,or

[0620] -X 54 -R 5 -

[0621] [Where R 51 and R 52 Same meaning as above,

[0622] X 53 for:

[0623] -O-,

[0624] -S-,

[0625] -C(O)O-,

[0626] -CONR 54 -

[0627] -O-CONR 54 -

[0628] -Si(R 53 )2-、

[0629] -(Si(R 53 )2O) m5 -Si(R 53 )2-、

[0630] -O-(CH2) u5 -(Si(R 53 )2O) m5 -Si(R 53 )2-、

[0631] -O-(CH2) u5 -Si(R 53 )2-O-Si(R 53 )2-CH2CH2-Si(R 53 )2-O-Si(R 53 )2-、

[0632] -O-(CH2) u5 -Si(OCH3)2OSi(OCH3)2-,

[0633] -CONR 54 -(CH2) u5 -(Si(R 53 )2O) m5 -Si(R 53 )2-、

[0634] -CONR 54 -(CH2) u5 -N(R 54 )-,or

[0635] -CONR 54 -(o-phenylene, m-phenylene or p-phenylene)-Si(R 53 )2-

[0636] (Where R 53 , R 54 and m5 have the same meaning as above,

[0637] u5 is an integer of 1 to 20, preferably an integer of 2 to 6, and more preferably an integer of 2 to 3. ), X 54 express:

[0638] -S-,

[0639] -C(O)O-,

[0640] -CONR 54 -

[0641] -O-CONR 54 -

[0642] -CONR 54 -(CH2) u5 -(Si(R 54 )2O) m5 -Si(R 54 )2-、

[0643] -CONR 54 -(CH2) u5 -N(R 54 )-,or

[0644] -CONR 54 -(o-phenylene, m-phenylene or p-phenylene)-Si(R 54 )2-

[0645] (In the formula, each symbol has the same meaning as above.) ].

[0646] More preferably, the above X A Respectively and independently:

[0647] single bond,

[0648] C 1－20 Alkylene,

[0649] -(CH2) s5 -X 53 -

[0650] -(CH2) s5 -X 53 -(CH2) t5 -

[0651] -X 54 -,or

[0652] -X 54 -(CH2) t5 -

[0653] [Wherein, X 53 , X 54 , s5 and t5 have the same meanings as above. ].

[0654] More preferably, the above X A Can be independently:

[0655] single bond,

[0656] C 1－20 Alkylene,

[0657] -(CH2) s5 -X 53 -(CH2) t5 -,or

[0658] -X 54 -(CH2) t5 -

[0659] [In the formula, each symbol has the same meaning as above. ]

[0660] In a preferred embodiment, the above X A Can be independently:

[0661] single bond,

[0662] C 1－20 Alkylene,

[0663] -(CH2) s5 -X 53 -,or

[0664] -(CH2) s5 -X 53 -(CH2) t5 -

[0665] [Wherein,

[0666] X 53 -O-, -CONR 54 -or-O-CONR 54 -

[0667] R 54 Each independently represents a hydrogen atom, a phenyl group or a C 1－6 alkyl,

[0668] s5 is an integer from 1 to 20,

[0669] t5 is an integer from 1 to 20. ].

[0670] In a preferred embodiment, the above X A Can be independently:

[0671] -(CH2) s5 -O-(CH2) t5 -

[0672] -CONR 54 -(CH2) t5 -

[0673] [Wherein,

[0674] R 54 Each independently represents a hydrogen atom, a phenyl group or a C 1－6 alkyl,

[0675] s5 is an integer from 1 to 20,

[0676] t5 is an integer from 1 to 20. ].

[0677] In one embodiment, the above X A Respectively and independently:

[0678] single bond,

[0679] C 1－20 Alkylene,

[0680] -(CH2) s5 -O-(CH2) t5 -

[0681] -(CH2) s5 -(Si(R 53 )2O) m5 -Si(R 53 )2-(CH2) t5 -

[0682] -(CH2) s5 -O-(CH2) u5 -(Si(R 53 )2O) m5 -Si(R 53 )2-(CH2) t5 -,or

[0683] -(CH2) s5 -O-(CH2) t5 -Si(R 53 )2-(CH2) u5 -Si(R 53 )2-(C v H 2v )-

[0684] [Where R 53 , m5, s5, t5 and u5 have the same meanings as above, and v5 is an integer of 1 to 20, preferably an integer of 2 to 6, and more preferably an integer of 2 to 3. ].

[0685] In the above formula, -(C v H 2v)- may be a straight chain or a branched chain, for example, it may be -CH2CH2-, -CH2CH2CH2-, -CH(CH3)-, or -CH(CH3)CH2-.

[0686] The above X A Each independently may be substituted with a fluorine atom, C 1－3 Alkyl and C 1－3 Fluorinated alkyl (preferably C 1－3 In one embodiment, X A For non-substitution.

[0687] In one approach, X A Can be independently -O-C 1－6 Groups other than alkylene.

[0688] In another way, as X A , for example, the following groups can be cited:

[0689]

[0690]

[0691] [Where R 41 are independently a hydrogen atom, a phenyl group, an alkyl group having 1 to 6 carbon atoms, or a C 1－6 Alkoxy, preferably methyl,

[0692] D is a group selected from the following groups:

[0693] -CH2O(CH2)2-,

[0694] -CH2O(CH2)3-,

[0695] -CF2O(CH2)3-,

[0696] -(CH2)2-,

[0697] -(CH2)3-,

[0698] -(CH2)4-,

[0699] -CONH-(CH2)3-,

[0700] -CON(CH3)-(CH2)3-,

[0701] -CON(Ph)-(CH2)3- (wherein Ph represents a phenyl group), and

[0702]

[0703] (Where R42 Each independently represents a hydrogen atom, a C 1－6 Alkyl or C 1－6 The alkoxy group of is preferably methyl or methoxy, more preferably methyl. ),

[0704] E is -(CH2) n - (n is an integer from 2 to 6),

[0705] D and R of the molecular main chain FA1 or R FA2 Combination, E and R Si Combine.]

[0706] As the above X A Specific examples include:

[0707] single bond,

[0708] -CH2OCH2-,

[0709] -CH2O(CH2)2-,

[0710] -CH2O(CH2)3-,

[0711] -CH2O(CH2)4-,

[0712] -CH2O(CH2)5-,

[0713] -CH2O(CH2)6-,

[0714] -CH2O(CH2)3Si(CH3)2OSi(CH3)2(CH2)2-,

[0715] -CH2O(CH2)3Si(CH3)2OSi(CH3)2OSi(CH3)2(CH2)2-,

[0716] -CH2O(CH2)3Si(CH3)2O(Si(CH3)2O)2Si(CH3)2(CH2)2-,

[0717] -CH2O(CH2)3Si(CH3)2O(Si(CH3)2O)3Si(CH3)2(CH2)2-,

[0718] -CH2O(CH2)3Si(CH3)2O(Si(CH3)2O) 10 Si(CH3)2(CH2)2-、

[0719] -CH2O(CH2)3Si(CH3)2O(Si(CH3)2O) 20 Si(CH3)2(CH2)2-、

[0720] -CH2OCF2CHFOCF2-、

[0721] -CH2OCF2CHFOCF2CF2-、

[0722] -CH2OCF2CHFOCF2CF2CF2-、

[0723] -CH2OCH2CF2CF2OCF2-、

[0724] -CH2OCH2CF2CF2OCF2CF2-、

[0725] -CH2OCH2CF2CF2OCF2CF2CF2-、

[0726] -CH2OCH2CF2CF2OCF(CF3)CF2OCF2-、

[0727] -CH2OCH2CF2CF2OCF(CF3)CF2OCF2CF2-、

[0728] -CH2OCH2CF2CF2OCF(CF3)CF2OCF2CF2CF2-、

[0729] -CH2OCH2CHFCF2OCF2-、

[0730] -CH2OCH2CHFCF2OCF2CF2-、

[0731] -CH2OCH2CHFCF2OCF2CF2CF2-、

[0732] -CH2OCH2CHFCF2OCF(CF3)CF2OCF2-、

[0733] -CH2OCH2CHFCF2OCF(CF3)CF2OCF2CF2-、

[0734] -CH2OCH2CHFCF2OCF(CF3)CF2OCF2CF2CF2-、

[0735] -CH2OCF2CHFOCF2CF2CF2-C(O)NH-CH2-、

[0736] -CH2OCH2(CH2)7CH2Si(OCH3)2OSi(OCH3)2(CH2)2Si(OCH3)2OSi(OCH3)2(CH2)2-、

[0737] -CH2OCH2CH2CH2Si(OCH3)2OSi(OCH3)2(CH2)3-、

[0738] -CH2OCH2CH2CH2Si(OCH2CH3)2OSi(OCH2CH3)2(CH2)3-、

[0739] -CH2OCH2CH2CH2Si(OCH3)2OSi(OCH3)2(CH2)2-、

[0740] -CH2OCH2CH2CH2Si(OCH2CH3)2OSi(OCH2CH3)2(CH2)2-、

[0741] -(CH2)2-Si(CH3)2-(CH2)2-、

[0742] -CH2-、

[0743] -(CH2)2-、

[0744] -(CH2)3-、

[0745] -(CH2)4-、

[0746] -(CH2)5-、

[0747] -(CH2)6-、

[0748] -CO-、

[0749] -CONH-、

[0750] -CONH-CH2-、

[0751] -CONH-(CH2)2-、

[0752] -CONH-(CH2)3-、

[0753] -CONH-(CH2)4-、

[0754] -CONH-(CH2)5-、

[0755] -CONH-(CH2)6-、

[0756] -CON(CH3)-CH2-、

[0757] -CON(CH3)-(CH2)2-、

[0758] -CON(CH3)-(CH2)3-、

[0759] -CON(CH3)-(CH2)4-、

[0760] -CON(CH3)-(CH2)5-,

[0761] -CON(CH3)-(CH2)6-,

[0762] -CON(Ph)-CH2- (where Ph represents phenyl),

[0763] -CON(Ph)-(CH2)2- (wherein Ph represents phenyl),

[0764] -CON(Ph)-(CH2)3- (where Ph represents phenyl),

[0765] -CON(Ph)-(CH2)4- (where Ph represents phenyl),

[0766] -CON(Ph)-(CH2)5- (wherein Ph represents phenyl),

[0767] -CON(Ph)-(CH2)6- (wherein Ph represents phenyl),

[0768] -CONH-(CH2)2NH(CH2)3-,

[0769] -CONH-(CH2)6NH(CH2)3-,

[0770] -CH2O-CONH-(CH2)3-、

[0771] -CH2O-CONH-(CH2)6-、

[0772] -S-(CH2)3-,

[0773] -(CH2)2S(CH2)3-,

[0774] -CONH-(CH2)3Si(CH3)2OSi(CH3)2(CH2)2-,

[0775] -CONH-(CH2)3Si(CH3)2OSi(CH3)2OSi(CH3)2(CH2)2-,

[0776] -CONH-(CH2)3Si(CH3)2O(Si(CH3)2O)2Si(CH3)2(CH2)2-,

[0777] -CONH-(CH2)3Si(CH3)2O(Si(CH3)2O)3Si(CH3)2(CH2)2-,

[0778] -CONH-(CH2)3Si(CH3)2O(Si(CH3)2O) 10 Si(CH3)2(CH2)2-、

[0779] -CONH-(CH2)3Si(CH3)2O(Si(CH3)2O) 20 Si(CH3)2(CH2)2-、

[0780] -C(O)O-(CH2)3-,

[0781] -C(O)O-(CH2)6-,

[0782] -CH2-O-(CH2)3-Si(CH3)2-(CH2)2-Si(CH3)2-(CH2)2-,

[0783] -CH2-O-(CH2)3-Si(CH3)2-(CH2)2-Si(CH3)2-CH(CH3)-,

[0784] -CH2-O-(CH2)3-Si(CH3)2-(CH2)2-Si(CH3)2-(CH2)3-,

[0785] -CH2-O-(CH2)3-Si(CH3)2-(CH2)2-Si(CH3)2-CH(CH3)-CH2-,

[0786] -OCH2-,

[0787] -O(CH2)3-,

[0788] -OCFHCF2-,

[0789] wait.

[0790] In yet another approach, X A Each independently has the formula: -(R 16 ) x1 -(CFR 17 ) y1 -(CH2) z1 - In the formula, x1, y1 and z1 are each independently an integer of 0 to 10, the sum of x1, y1 and z1 is 1 or more, and the order of existence of each repeating unit enclosed in parentheses is arbitrary in the formula.

[0791] In the above formula, R 16 are independently an oxygen atom, a phenylene group, a carbazolylene group, -NR 18 -(where R 18represents a hydrogen atom or an organic group) or a divalent organic group. Preferably R 18 It is an oxygen atom or a divalent polar group.

[0792] The "divalent polar group" is not particularly limited, and examples thereof include -C(O)-, -C(=NR 19 )- and -C(O)NR 19 -(In these formulas, R 19 represents 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, and n-propyl, which may be substituted with one or more fluorine atoms.

[0793] In the above formula, R 17 Each of them 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 a fluoroalkyl group having 1 to 3 carbon atoms, preferably a perfluoroalkyl group having 1 to 3 carbon atoms, more preferably a trifluoromethyl group or a pentafluoroethyl group, and still more preferably a trifluoromethyl group.

[0794] Among them, the above X A The left side of each formula and R FA1 or R FA2 Combined, the right side with R Si Combine.

[0795] In yet another embodiment, as X A Examples include the following groups:

[0796]

[0797] [Wherein,

[0798] R 41 are independently a hydrogen atom, a phenyl group, an alkyl group having 1 to 6 carbon atoms, or a C 1－6 Alkoxy, preferably methyl,

[0799] Each X A In the base, any of the Ts are R FA1 or R FA2 Combined with the following groups:

[0800] -CH2O(CH2)2-,

[0801] -CH2O(CH2)3-,

[0802] -CF2O(CH2)3-,

[0803] -(CH2)2-,

[0804] -(CH2)3-,

[0805] -(CH2)4-,

[0806] -CONH-(CH2)3-,

[0807] -CON(CH3)-(CH2)3-,

[0808] -CON(Ph)-(CH2)3- (wherein Ph represents a phenyl group), or

[0809]

[0810] [Where R 42 Each independently represents a hydrogen atom, a C 1－6 Alkyl or C 1－6 The alkoxy group preferably represents a methyl group or a methoxy group, and more preferably represents a methyl group. ].

[0811] Several of the other Ts are related to the R Si The remaining T are independently methyl, phenyl, C 1－6 Alkoxy groups or free radical scavenging groups or ultraviolet absorbing groups.

[0812] The radical-trapping group is not particularly limited as long as it is a group that can trap free radicals generated by light irradiation, and examples thereof include residues of benzophenones, benzotriazoles, benzoates, phenyl salicylates, crotonic acids, malonic esters, organic acrylates, hindered amines, hindered phenols, or triazines.

[0813] The ultraviolet absorbing group is not particularly limited as long as it is a group that can absorb ultraviolet rays, and examples thereof include residues of benzotriazoles, hydroxybenzophenones, esters of substituted and unsubstituted benzoic acid or salicylic acid compounds, acrylates or alkoxycinnamates, oxamides, oxanilides, benzoxazinones, and benzoxazoles.

[0814] In a preferred embodiment, preferred free radical scavenging groups or ultraviolet absorbing groups include:

[0815]

[0816] In this method, X A Each independently is a tri- to decavalent group.

[0817] In yet another embodiment, as X A Examples include the following groups:

[0818]

[0819] [Where R 25, R 26 and R 27 are independently 2-6 valent organic groups,

[0820] R 25 With at least 1 FA1 or R FA2 Combined, R 26 and R 27 Each with at least 1 R Si Combine.]

[0821] In one approach, R 25 For a single bond, C 1－20 Alkylene, C 3－20 Cycloalkylene, C 5－20 Arylene, -R 57 -X 58 -R 59 -, -X 58 -R 59 -or-R 57 -X 58 -. The above R 57 and R 59 are independently a single bond, C 1－20 Alkylene, C 3－20 Cycloalkylene or C 5－20 The above X 58 It is -O-, -S-, -CO-, -O-CO- or -COO-.

[0822] In one approach, R 26 and R 27 are each independently a hydrocarbon group, or a group having at least one atom selected from N, O and S in the end or main chain of a hydrocarbon group, preferably C 1－6 Alkyl, -R 36 -R 37 -R 36 -, -R 36 -CHR 38 2-etc. Among them, R 36 Each of R 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 is N, O or S, preferably N or O. 38 For -R 45 -R 46 -R 45 -, -R 46 -R 45 -or-R 45 -R 46 -. Among them, R 45 Each R is independently an alkyl group having 1 to 6 carbon atoms. 46 is N, O or S, preferably O.

[0823] In this method, X A Each independently is a tri- to decavalent group.

[0824] In yet another approach, X A A group represented by the following formula:

[0825]

[0826] [Wherein, X a is a single bond or a divalent organic group. ].

[0827] The above X a X is a single bond or a divalent linking group directly bonded to the isocyanuric acid ring. a , preferably a single bond, an alkylene group or a divalent group containing at least one bond selected from an ether bond, an ester bond, an amide bond and a thioether bond, more preferably a single bond, an alkylene group having 1 to 10 carbon atoms or a divalent hydrocarbon group having 1 to 10 carbon atoms containing at least one bond selected from an ether bond, an ester bond, an amide bond and a thioether bond.

[0828] As X a , more preferably a group represented by the following formula:

[0829] -(CX 121 X 122 ) x1 -(X a1 ) y1 -(CX 123 X 124 ) z1 -

[0830] (Where X 121 ~X 124 are independently H, F, OH or -OSi(OR 121 )3(where 3 R 121 are each independently an alkyl group having 1 to 4 carbon atoms. ),

[0831] The above X a1 -C(=O)NH-, -NHC(=O)-, -O-, -C(=O)O-, -OC(=O)-, -OC(=O)O-, or -NHC(=O)NH- (the left side of each bond is connected to CX 121 X 122 Combined. ),

[0832] x1 is an integer from 0 to 10, y1 is 0 or 1, and z1 is an integer from 1 to 10. )

[0833] As the above X a1 , preferably -O- or -C(=O)O-.

[0834] As the above X a , particularly preferably a group represented by the following formula:

[0835] -(CF2) m11 -(CH2) m12 -O-(CH2) m13 - Group shown

[0836] (wherein, m11 is an integer from 1 to 3, m12 is an integer from 1 to 3, and m13 is an integer from 1 to 3.);

[0837] -(CF2) m14 -(CH2) m15 -O-CH2CH(OH)-(CH2) m16 - Group shown

[0838] (wherein, m14 is an integer of 1 to 3, m15 is an integer of 1 to 3, and m16 is an integer of 1 to 3.);

[0839] -(CF2) m17 -(CH2) m18 - Group shown

[0840] (wherein, m17 is an integer from 1 to 3, and m18 is an integer from 1 to 3.);

[0841] -(CF2) m19 -(CH2) m20 -O-CH2CH(OSi(OCH3)3)-(CH2) m21 - Group shown

[0842] (wherein, m19 is an integer of 1 to 3, m20 is an integer of 1 to 3, and m21 is an integer of 1 to 3); or

[0843] -(CH2) m22 - Group shown

[0844] (In the formula, m22 is an integer from 1 to 3.).

[0845] As the above X a There are no particular limitations, and specific examples include -CH2-, -C2H4-, -C3H6-, -C4H8-, -C4H8-O-CH2-, -CO-O-CH2-CH(OH)-CH2-, and -(CF2) n5 -(n5 is an integer from 0 to 4), -(CF2) n5 -(CH2) m5-(n5 and m5 are each independently an integer of 0 to 4), -CF2CF2CH2OCH2CH(OH)CH2-, -CF2CF2CH2OCH2CH(OSi(OCH3)3)CH2-, etc.

[0846] In this way, X A Each independently may be a divalent or trivalent group.

[0847] In one embodiment, the fluorinated polyether group-containing silane compound represented by the formula (A1) or (A2) does not contain a siloxane bond (—Si—O—Si—).

[0848] The fluorinated polyether group-containing silane compound represented by formula (A1) or formula (A2) is not particularly limited and may have a 5×10 2 ~1×10 5 In this range, from the viewpoint of friction durability, it is preferably 2,000 to 32,000, more preferably 2,500 to 12,000. It should be noted that the number average molecular weight of the fluorinated polyether group-containing silane compound is determined by 19 The value measured by F-NMR.

[0849] In one embodiment, the number average molecular weight of the fluorinated polyether group-containing silane compound represented by formula (A1) or (A2) may be 500 to 30,000, preferably 1,000 to 20,000, more preferably 2,000 to 15,000, further preferably 2,000 to 10,000, for example 3,000 to 6,000.

[0850] In another embodiment, the number average molecular weight of the fluorinated polyether group-containing silane compound represented by formula (A1) or (A2) may be 4,000 to 30,000, preferably 5,000 to 10,000, and more preferably 6,000 to 10,000.

[0851] In one embodiment, in the surface treatment agent of the present invention, the fluorinated polyether group-containing silane compound is a compound represented by formula (A1).

[0852] In another embodiment, in the surface treatment agent of the present invention, the fluorinated polyether group-containing silane compound is a compound represented by formula (A2).

[0853] In another embodiment, in the surface treatment agent of the present invention, the fluorinated polyether group-containing silane compound is a compound represented by formula (A1) or a compound represented by formula (A2).

[0854] In another embodiment, in the surface treatment agent of the present invention, the compound represented by formula (A1) and the compound represented by formula (A2) may be partially condensed separately or with each other. That is, they exist in a state of partial condensation between the compounds represented by formula (A1), between the compounds represented by formula (A2), or between the compound represented by formula (A1) and the compound represented by formula (A2). Therefore, the surface treatment agent of the present invention 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).

[0855] In the surface treatment agent of the present invention, the compound represented by formula (A2) is preferably 0.1 mol% or more and 35 mol% or less relative to the total 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) is preferably 0.1 mol%, more preferably 0.2 mol%, further preferably 0.5 mol%, further preferably 1 mol%, particularly preferably 2 mol%, and particularly 5 mol%. The upper limit of the content of the compound represented by formula (A2) is preferably 35 mol%, more preferably 30 mol%, further preferably 20 mol%, and further preferably 15 mol% or 10 mol% relative to the total of the compound represented by formula (A1) and the compound represented by formula (A2). Relative to the total of the compound represented by formula (A1) and the compound represented by formula (A2), the compound represented by formula (A2) is preferably 0.1 mol% to 30 mol%, more preferably 0.1 mol% to 20 mol%, more preferably 0.2 mol% to 10 mol%, further preferably 0.5 mol% to 10 mol%, particularly preferably 1 mol% to 10 mol%, for example 2 mol% to 10 mol% or 5 mol% to 10 mol%. By making the compound represented by formula (A2) within such a range, the friction durability can be further improved.

[0856] The compound represented by the above formula (A1) or formula (A2) can be obtained by the method described in, for example, Patent Document 1, International Patent Publication No. 2006 / 10708, and Japanese Patent Application Laid-Open No. 2019-183160.

[0857] (Fluorinated polyether group-containing polyoxyalkylene compound)

[0858] The polyoxyalkylene compound containing a fluoropolyether group is a compound containing a polyoxyalkylene group and a fluoropolyether group.

[0859] The surface treatment agent of the present invention contains a fluorinated polyether group-containing polyoxyalkylene compound as component (B) in addition to the fluorinated polyether group-containing silane compound as component (A), whereby friction durability can be further improved.

[0860] In one embodiment, the polyoxyalkylene compound containing a fluorinated polyether group is a compound represented by formula (B1) or formula (B2):

[0861] R FB1 -X B -R B (B1)

[0862] R B -X B -R FB2 -X B -R B (B2)

[0863] [Where:

[0864] R FB1 Rf 1 -R F -O q -

[0865] R FB2 Rf 2 p -R F -O q -

[0866] R F are each independently a divalent fluorinated polyether group,

[0867] R 1 C may be substituted with one or more fluorine atoms 1－16 alkyl,

[0868] R 2 C may be substituted with one or more fluorine atoms 1－6 Alkylene,

[0869] p is 0 or 1,

[0870] q is independently 0 or 1,

[0871] X B are each independently a single bond or a divalent group,

[0872] R B are each independently a group containing an oxyalkylene group. ].

[0873] In formula (B1), R FB1 Rf 1-R F -O q -

[0874] In formula (B2), R FB2 Rf 2 p -R F -O q -

[0875] R in formula (B1) and formula (B2) FB1 and R FB2 Corresponding to R in formula (A1) and formula (A2) respectively FA1 and R FA2 Rf in formula (B1) and formula (B2) 1 -R F -O q - and - Rf 2 p -R F -O q - with Rf in formula (A1) and formula (A2) 1 -R F -O q - and - Rf 2 p -R F -O q - has the same meaning and can be used in the same manner. It should be noted that in the surface treatment agent, R FB1 With R FA1 and R FA2 With R FB2 They can be the same or different.

[0876] In formula (B1) and formula (B2), X B Each independently represents a single bond or a divalent group. B The left side of R FB1 or R FB2 Combine.

[0877] The 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.

[0878] In one approach, X B are independently a single bond or -(R 67 ) b1 -(R 68 ) b2 - the group shown,

[0879] [Where:

[0880] R67 C 1－6 Alkylene,

[0881] R 68 are independently oxygen atoms, sulfur atoms, CO, NR 69 ,CONR 69 NR 69 CO or C 6－12 Arylene,

[0882] R 69 are independently a hydrogen atom or a C 1－6 alkyl,

[0883] b1 is an integer from 0 to 6,

[0884] b2 is an integer from 0 to 6,

[0885] The sum of b1 and b2 is 1 or more,

[0886] The order of presence of the repeating units indicated by b1 or b2 and enclosed in parentheses is arbitrary in the formula. ].

[0887] X B are each independently preferably a single bond, C 1－6 Alkylene or -R 64 -O-R 65 -. R 64 is a single bond or C 1－6 Alkylene; R 65 is a single bond or C 1－6 Alkylene.

[0888] In one approach, X B are independently a single bond or C 1－6 Alkylene.

[0889] In another way, X B are each independently a single bond.

[0890] In another way, X B C 1－6 Alkylene.

[0891] The above X B may be substituted independently by a fluorine atom, a C 1－3 Alkyl and C 1－3 Fluorinated alkyl (preferably C 1－3 In one embodiment, X B For non-substitution.

[0892] In formula (B1) and formula (B2), R BEach independently is a group containing an oxyalkylene group.

[0893] The above-mentioned group containing an oxyalkylene group means a group containing an oxyalkylene group (—O-alkylene group).

[0894] The above-mentioned group containing an oxyalkylene group is preferably a group represented by the following formula:

[0895] -R 61 -(OR 63 ) b3 -R 62 ,or

[0896] -X E (-R 61 -(OR 63 ) b3 -R 62 ) r2

[0897] [Where:

[0898] R 61 are independently a single bond or C 1－6 Alkylene,

[0899] R 62 are independently a hydrogen atom, C 1－6 Alkyl or C 1－6 Alkoxy,

[0900] R 63 C 1－6 Alkylene,

[0901] b3 are each independently an integer of 1 to 6,

[0902] X E is a 3- to 10-valent group,

[0903] r2 is an integer from 2 to 9 and is greater than X E The valence is less than 1. ].

[0904] In a preferred embodiment, the above-mentioned group containing oxyalkylene is -R 61 -(OR 63 ) b3 -R 62 .

[0905] In another embodiment, the above-mentioned group containing oxyalkylene is -X E (-R 61 -(OR 63 ) b3 -R 62 ) r2 .

[0906] In the above formula, R 61 is a single bond or C 1－6 Alkylene.

[0907] In one approach, R 61 For a single key.

[0908] In another way, R 61 C 1－6 Alkylene.

[0909] The above R 61 C 1－6 The alkylene group may be a straight chain or a branched chain. 61 C 1－6 In another embodiment, R 61 C 1－6 The alkylene group is a branched chain.

[0910] The above R 61 C 1－6 The alkylene group is preferably C 1－4 Alkylene, more preferably C 1－3 Alkylene.

[0911] In the above formula, R 62 are independently a hydrogen atom, C 1－6 Alkyl or C 1－6 Alkoxy.

[0912] In one approach, R 62 A hydrogen atom.

[0913] In another way, R 62 C 1－6 alkyl.

[0914] In another way, R 62 C 1－6 Alkoxy.

[0915] The above R 62 C 1－6 The alkyl group may be a straight chain or a branched chain. 62 C 1－6 In another embodiment, R 62 C 1－6 The alkyl group is a branched chain.

[0916] The above R 62 C 1－6 The alkyl group is preferably C 1－4 Alkyl, more preferably C 1－3 alkyl.

[0917] The above R62 C 1－6 The alkoxy group may be a straight chain or a branched chain. 62 C 1－6 In another embodiment, R 62 C 1－6 The alkoxy group is a branched chain.

[0918] The above R 62 C 1－6 The alkoxy group is preferably C 1－4 Alkoxy, more preferably C 1－3 Alkoxy.

[0919] In the above formula, R 63 C 1－6 Alkylene.

[0920] R 63 C 1－6 The alkylene group may be a straight chain or a branched chain. 63 C 1－6 In another embodiment, R 63 C 1－6 The alkylene group is a branched chain.

[0921] C 1－6 The alkylene group is preferably C 1－3 Alkylene, more preferably C 2－3 Alkylene.

[0922] b3 is an integer of 1 to 6, preferably an integer of 1 to 4, for example, an integer of 1 to 3, 1 to 2, or 2 to 4.

[0923] In the above formula, X E It is a tri- to ten-valent group, and preferably a tri- to hexavalent group.

[0924] The tri- to decavalent groups may preferably be tri- to decavalent hydrocarbon groups, and more preferably tri- to hexavalent hydrocarbon groups.

[0925] X E Preferred are trivalent groups such as CH, CH2CHCH2, and CH3CH2C(CH2)3, tetravalent groups such as C(CH2)4, and hexavalent groups such as CH2[CH]4CH2.

[0926] In the above formula, r2 is the ratio of X E The valence of is an integer of 2 to 9 less than 1, preferably an integer of 2 to 6, for example, 3 or 4.

[0927] The number average molecular weight of the fluoropolyether group-containing polyoxyalkylene compound represented by formula (B1) or formula (B2) is not particularly limited, and may be 5×10 2 ~1×10 5 In this range, from the viewpoint of friction durability, it is preferably 1,000 to 20,000, more preferably 2,000 to 10,000. It should be noted that the number average molecular weight of the oxypolyoxyalkylene compound containing a fluoropolyether group is determined by 19 The value measured by F-NMR.

[0928] The fluorinated polyether group-containing polyoxyalkylene compounds represented by the above formula (B1) and formula (B2) can be synthesized, for example, as follows.

[0929] By reacting a compound represented by the following formula (1a) or formula (2a) with a base and a compound represented by the formula R H R B The compounds shown are reacted to give:

[0930] R FB1 -X B -OH(1a)

[0931] HOOC-X B -R FB2 -X B -OH(2a)

[0932] [In the formula, each symbol has the same meaning as above.]

[0933] R H R B

[0934] [Where:

[0935] R H is a halogen atom, preferably a bromine atom,

[0936] R B Same meaning as above. ].

[0937] Examples of the base include sodium hydroxide and sodium hydride.

[0938] In one embodiment, in the surface treatment agent of the present invention, the polyoxyalkylene compound containing a fluorinated polyether group is a compound represented by formula (B1).

[0939] In another embodiment, in the surface treatment agent of the present invention, the polyoxyalkylene compound containing a fluoropolyether group is a compound represented by formula (B2).

[0940] In another embodiment, in the surface treatment agent of the present invention, the polyoxyalkylene compound containing a fluoropolyether group is a compound represented by formula (B1) and a compound represented by formula (B2).

[0941] In another embodiment, the compound represented by formula (B1) and the compound represented by formula (B2) of the surface treatment agent of the present invention may be partially condensed separately or with each other. That is, they exist in a state of partial condensation between the compounds represented by formula (B1), between the compounds represented by formula (B2), or between the compound represented by formula (B1) and the compound represented by formula (B2). Therefore, the surface treatment agent of the present invention 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).

[0942] Relative to the total of component (A) and component (B), the content of component (B) is preferably 1% by mass or more, more preferably 5% by mass or more, and more preferably 10% by mass or more. In addition, relative to the total of component (A) and component (B), the content of component (B) is preferably 70% by mass or less, more preferably 60% by mass or less, more preferably 35% by mass or less, further preferably 25% by mass or less, and particularly preferably 20% by mass or less. By containing component (B) in the above amount, a surface treatment layer with excellent friction durability can be obtained.

[0943] In one embodiment, the content of the component (B) is preferably 1 to 70 mass %, more preferably 1 to 40 mass %, and even more preferably 5 to 40 mass % based on the total of the component (A) and the component (B).

[0944] The total concentration of component (A) and component (B) in the surface treatment agent 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.

[0945] In the surface treatment agent of the present invention, component (A) and component (B) may be present in a partially condensed state. That is, the surface treatment agent of the present invention may contain a partial condensate of component (A) and component (B).

[0946] (Other ingredients)

[0947] The surface treatment agent of the present invention may contain solvents, alcohols, (non-reactive) fluoropolyether compounds that can be understood as fluorine-containing oils, preferably perfluoropolyether compounds (hereinafter collectively referred to as "fluorine-containing oils"), (non-reactive) organosilicon compounds that can be understood as silicone oils (hereinafter referred to as "silicone oils"), compatibilizers, catalysts, surfactants, inhibitors, sensitizers, etc.

[0948] Examples of the solvent 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, acetoacetate, and the like. Esters such as ethyl ester, amyl acetate, methyl lactate, ethyl lactate, methyl 3-methoxypropionate, ethyl 3-methoxypropionate, methyl 2-hydroxyisobutyrate, ethyl 2-hydroxyisobutyrate; ketones such as acetone, methyl ethyl ketone, methyl isobutyl ketone, 2-hexanone, cyclohexanone, methyl aminoketone, 2-heptanone; ethyl cellosolve, methyl cellosolve, methyl cellosolve acetate, ethyl cellosolve acetate, propylene glycol monomethyl ether, propylene glycol monoethyl ether, propylene glycol monobutyl ether, propylene glycol monomethyl ether Glycol ethers such as acetate, propylene glycol monoethyl ether acetate, propylene glycol monobutyl ether acetate, dipropylene glycol dimethyl ether, ethylene glycol monoalkyl ether; alcohols such as methanol, ethanol, isopropanol, n-butanol, isobutanol, tert-butanol, sec-butanol, 3-pentanol, octanol, 3-methyl-3-methoxybutanol, tert-pentanol; diols such as ethylene glycol and propylene glycol; cyclic ethers such as tetrahydrofuran, tetrahydropyran, dioxane; amides such as N,N-dimethylformamide and N,N-dimethylacetamide methyl cellosolve, cellosolve, isopropyl cellosolve, butyl cellosolve, diethylene glycol monomethyl ether and other ether alcohols; diethylene glycol monoethyl ether acetate; 1,1,2-trichloro-1,2,2-trifluoroethane, 1,2-dichloro-1,1,2,2-tetrafluoroethane, dimethyl sulfoxide, 1,1-dichloro-1,2,2,3,3-pentafluoropropane (HCFC225), 1,1,2,2,3,3,4-heptafluorocyclopentane (for example, ZEORORA H), perfluorobutyl methyl ether (C4F9OCH3) (for example, HFE7100), perfluorobutyl ethyl ether (C4F9OC2H5) (for example, HFE7200), perfluorohexyl methyl ether (C2F5CF(OCH3)C3F7) (for example, HFE7300), CF3CH2OH, CF3CF2CH2OH, (CF3)2CHOH, 1,1,2,3,3,3-hexafluoropropyl methyl ether (CF3CFHCF2OCH3) (HFE-356mec) and other fluorinated solvents. Alternatively, a mixed solvent of two or more thereof may be cited.

[0949] As the above-mentioned alcohols, for example, alcohols having 1 to 6 carbon atoms which may be substituted with one or more fluorine atoms, such as methanol, ethanol, isopropanol, tert-butyl alcohol, CF3CH2OH, CF3CF2CH2OH, (CF3)2CHOH, H(CF2CF2)CH2OH, H(CF2CF2)2CH2OH, H(CF2CF2)3CH2OH can be cited. By adding these alcohols to the surface treatment agent, the stability of the surface treatment agent can be improved, and the compatibility of components (A) and (B) with the solvent can be improved.

[0950] In a preferred embodiment, the surface treatment agent of the present invention contains a solvent and an alcohol.

[0951] The content of the alcohol is preferably 0.1 to 50% by mass, more preferably 0.5 to 30% by mass, further preferably 1.0 to 20% by mass, and further preferably 2.0 to 10% by mass, based on the total amount of the solvent and the alcohol.

[0952] The fluorine-containing oil is not particularly limited, and examples thereof include compounds represented by the following general formula (3) (perfluoropolyether compounds).

[0953] R 5 -(OC4F8) a′ -(OC3F6) b′ -(OC2F4) c′ -(OCF2) d′ -Rf 6 …(3)

[0954] In the formula, Rf 5 represents an alkyl group having 1 to 16 carbon atoms (preferably C 1－16 Perfluoroalkyl), Rf 6 represents an alkyl group having 1 to 16 carbon atoms (preferably C 1－16 perfluoroalkyl), fluorine atom or hydrogen atom, Rf 5 and Rf 6 More preferably, each independently is C 1－3 Perfluoroalkyl.

[0955] a', b', c' and d' respectively represent the number of four repeating units of perfluoropolyether constituting the main skeleton of the polymer, and are independently integers of 0 to 300, and the sum of a', b', c' and d' is at least 1, preferably 1 to 300, and more preferably 20 to 300. The order of existence of the repeating units marked with subscripts a', b', c' or d' and enclosed in parentheses in the formula is arbitrary. In 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))-, and is preferably -(OCF2CF2CF2CF2)-. -(OC3F6)- may be any of -(OCF2CF2CF2)-, -(OCF(CF3)CF2)-, and (OCF2CF(CF3))-, and is preferably -(OCF2CF2CF2)-. -(OC2F4)- may be either -(OCF2CF2)- or (OCF(CF3))-, but is preferably -(OCF2CF2)-.

[0956] Examples of the perfluoropolyether compound represented by the general formula (3) include compounds represented by any one of the following general formulas (3a) and (3b) (the compounds may be a mixture of one or more kinds).

[0957] R 5 -(OCF2CF2CF2) b" -Rf 6 …(3a)

[0958] R 5 -(OCF2CF2CF2CF2) a" -(OCF2CF2CF2) b" -(OCF2CF2) c" -(OCF2) d" -Rf 6 …(3b)

[0959] In these formulas, Rf 5 and Rf 6As described above; in formula (3a), b" is an integer greater than 1 and less than 100; in formula (3b), a" and b" are each independently an integer greater than 0 and less than 30, and c" and d" are each independently an integer greater than 1 and less than 300. The order of existence of each repeating unit marked with subscripts a", b", c", d" and enclosed in brackets in the formula is arbitrary.

[0960] From another perspective, the fluorinated oil may be of the general formula Rf 3 -F(where Rf 3 C 5－16 In addition, it may be a chlorotrifluoroethylene oligomer.

[0961] The 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.

[0962] The fluorinated oil may be contained in the surface treatment agent of the present invention 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 invention contains substantially no fluorinated oil. Substantially containing no fluorinated oil means that the fluorinated oil is completely contained or may contain a very small amount of fluorinated oil.

[0963] In one embodiment, the average molecular weight of the fluorinated oil can be greater than the average molecular weight of the fluorinated polyether group-containing silane compound. By setting such an average molecular weight, more excellent friction durability and surface sliding properties can be obtained, especially when the surface treatment layer is formed by vacuum deposition.

[0964] In one embodiment, the molecular weight average of the fluorinated oil can be less than the molecular weight average of the silane compound containing the fluorinated polyether group. By setting such a molecular weight average, the transparency of the surface treatment layer obtained by such a compound can be suppressed to decrease, and a cured product with high friction durability and high surface slip can be formed.

[0965] The fluorine-containing oil contributes to improving the surface slip properties of the layer formed from the surface treatment agent of the present invention.

[0966] As the above-mentioned silicone oil, for example, a linear or cyclic silicone oil having a siloxane bond of 2,000 or less can be used. The linear silicone oil may be a so-called ordinary silicone oil and a modified silicone oil. As ordinary silicone oil, dimethyl silicone oil, methylphenyl silicone oil, and methyl hydrogen silicone oil can be mentioned. As modified silicone oil, silicone oil obtained by modifying ordinary silicone oil with alkyl, aralkyl, polyether, higher fatty acid ester, fluoroalkyl, amino, epoxy, carboxyl, alcohol, etc. can be mentioned. As cyclic silicone oil, for example, cyclic dimethylsiloxane oil can be mentioned.

[0967] The surface treating agent of the present invention may contain, for example, 0 to 300 parts by mass, preferably 50 to 200 parts by mass of such silicone oil, based on 100 parts by mass of the total of the fluorinated polyether group-containing silane compound of the present invention (the total of these compounds when two or more are present, the same below).

[0968] Silicone oil helps to improve the surface slip properties of the surface treatment layer.

[0969] Examples of the compatibilizer 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 having a terminal CF2H; and fluorine-substituted aromatic compounds such as 1,3-bis(trifluoromethyl)benzene, preferably fluorine-substituted benzene.

[0970] Examples of the catalyst include acids (eg, acetic acid, trifluoroacetic acid, etc.), bases (eg, ammonia, triethylamine, diethylamine, etc.), and transition metals (eg, Ti, Ni, Sn, etc.).

[0971] The catalyst promotes the hydrolysis and dehydration condensation of the fluorinated polyether group-containing silane compound of the present invention, and promotes the formation of a layer formed by the surface treatment agent of the present invention.

[0972] Examples of other components other than the above components include tetraethoxysilane, methyltrimethoxysilane, 3-aminopropyltrimethoxysilane, 3-glycidoxypropyltrimethoxysilane, and methyltriacetoxysilane.

[0973] The surface treatment agent of the present invention can be impregnated into a porous material such as a porous ceramic material, a metal fiber such as a material obtained by curing steel wool into a velvet-like state, and made into a granular material. The granular material can be used for vacuum evaporation, for example.

[0974] The surface treatment agent of the present invention may contain trace amounts of impurities such as Pt, Rh, Ru, 1,3-divinyltetramethyldisiloxane, triphenylphosphine, NaCl, KCl, and silane condensates in addition to the above-mentioned components.

[0975] (thing)

[0976] Next, the article of the present invention will be described.

[0977] The article of the present invention comprises a substrate and a layer (surface treatment layer) formed on the surface of the substrate using the surface treatment agent of the present invention.

[0978] The substrate that can be used in the present invention can be composed of, for example, glass, resin (natural or synthetic resin, such as conventional plastic material), metal, ceramic, semiconductor (silicon, germanium, etc.), fiber (fabric, non-woven fabric, etc.), fur, leather, wood, ceramics, stone, building parts, etc., sanitary products, and any appropriate material.

[0979] For example, when the article to be manufactured is an optical component, the material constituting the surface of the substrate can be a material for optical components, such as glass or transparent plastic. In addition, when the article to be manufactured is an optical component, certain layers (or films), such as a hard coating or an anti-reflection layer, can be formed on the surface (outermost layer) of the substrate. In the anti-reflection layer, any of a single-layer anti-reflection layer and a multi-layer anti-reflection layer can be used. Examples of inorganic substances that can be used for the anti-reflection layer include SiO2, SiO, ZrO2, TiO2, TiO, Ti2O3, Ti2O5, Al2O3, Ta2O5, Ta3O5, Nb2O5, HfO2, Si3N4, CeO2, MgO, Y2O3, SnO2, MgF2, WO3, etc. These inorganic substances can be used alone or in combination of two or more of them (for example, as a mixture). When a multi-layer anti-reflection layer is made, it is preferred to use SiO2 and / or SiO in its outermost layer. When the article to be manufactured is an optical glass component for a touch panel, a transparent electrode, such as a thin film obtained by using indium tin oxide (ITO) or indium zinc oxide, may be provided on a part of the surface of the substrate (glass). In addition, the substrate may also have an insulating layer, an adhesive layer, a protective layer, a decorative frame layer (I-CON), an atomized film layer, a hard coating layer, a polarizing film, a phase difference film, and a liquid crystal display module, etc., depending on its specific specifications.

[0980] The shape of the above-mentioned substrate is not particularly limited, for example, can be plate-like, film, other forms. In addition, the surface area of ​​the substrate to be formed into the surface treated layer is at least a portion of the substrate surface, which can be appropriately determined according to the purpose of the article to be manufactured and specific styles etc.

[0981] In one embodiment, as such a substrate, at least its surface portion can be composed of a material that originally has hydroxyl groups. As such a material, glass can be cited, and metals (especially base metals), ceramics, semiconductors, etc., with natural oxide films or thermal oxide films formed on the surface can also be cited. Alternatively, in the case where a resin, etc., has hydroxyl groups but not enough, or does not originally have hydroxyl groups, hydroxyl groups can be introduced into the surface of the substrate or increased by performing certain pretreatments on the substrate. As examples of such pretreatments, plasma treatment (such as corona discharge) or ion beam irradiation can be cited. In order to be able to introduce or increase hydroxyl groups into the surface of the substrate and to purify the surface of the substrate (remove foreign matter, etc.), plasma treatment can also be appropriately utilized. In addition, as another example of such a pretreatment, it can be cited: using the LB method (Langmuir-Blodgett method, Langmuir-Blodgett method), chemical adsorption method, etc., a film of a surface adsorbent having a carbon-carbon unsaturated bond group is formed in advance on the surface of the substrate in the form of a monomolecular film, and then the unsaturated bond is disconnected in an atmosphere containing oxygen or nitrogen.

[0982] In another embodiment, such a substrate may be formed of a material having at least a surface portion thereof that contains an organic silicon compound or an alkoxysilane having one or more other reactive groups, for example, a Si—H group.

[0983] In a preferred embodiment, the substrate is glass. As such glass, sapphire glass, soda-lime glass, alkali aluminosilicate glass, borosilicate glass, alkali-free glass, crystal glass, and quartz glass are preferred, and chemically strengthened soda-lime glass, chemically strengthened alkali aluminosilicate glass, and chemically bonded borosilicate glass are particularly preferred.

[0984] The article of the present invention can be produced by forming a layer of the surface treatment agent of the present invention on the surface of the substrate and, if necessary, post-treating the layer to form a layer of the surface treatment agent of the present invention.

[0985] The layer formation of the surface treatment agent of the present invention can be carried out by applying the surface treatment agent to the surface of the substrate so as to cover the surface. The coating method is not particularly limited. For example, a wet coating method and a dry coating method can be used.

[0986] As examples of the wet coating method, there can be cited dip coating, spin coating, flow coating, spray coating, roll coating, gravure coating and the like.

[0987] Examples of dry coating methods include evaporation (usually vacuum evaporation), sputtering, CVD, and similar methods. Specific examples of evaporation methods (usually vacuum evaporation) include resistance heating, high-frequency heating using electron beams, microwaves, ion beams, and similar methods. Specific examples of CVD methods include plasma CVD, optical CVD, thermal CVD, and similar methods.

[0988] Alternatively, coating may be performed using a normal pressure plasma method.

[0989] When the wet coating method is used, the surface treatment agent of the present invention can be diluted with a solvent and then applied to the surface of the substrate. From the perspective of the stability of the composition of the present invention and the volatility of the solvent, the following solvents are preferably used: perfluoroaliphatic hydrocarbons having 5 to 12 carbon atoms (such as perfluorohexane, perfluoromethylcyclohexane and perfluoro-1,3-dimethylcyclohexane); polyfluoroaromatic hydrocarbons (such as bis(trifluoromethyl)benzene); polyfluoroaliphatic hydrocarbons (such as C6F 13 CH2CH3 (e.g. ASAHIKLIN (registered trademark) AC-6000 produced by Asahi Glass Co., Ltd.), 1,1,2,2,3,3,4-heptafluorocyclopentane (e.g. ZEORORA (registered trademark) H produced by Zeon Co., Ltd.); hydrofluoroether (HFE) (e.g. perfluoropropyl methyl ether (C3F7OCH3) (e.g. Novec (trademark) 7000 produced by Sumitomo 3M Co., Ltd.), perfluorobutyl methyl ether (C4F9OCH3) (e.g. Novec (trademark) produced by Sumitomo 3M Co., Ltd.) 7100), perfluorobutyl ethyl ether (C4F9OC2H5) (for example, Novec (trademark) 7200 produced by Sumitomo 3M Co., Ltd.), perfluorohexyl methyl ether (C2F5CF(OCH3)C3F7) (for example, Novec (trademark) 7300 produced by Sumitomo 3M Co., Ltd.), or CF3CH2OCF2CHF2 (for example, ASAHIKLIN (registered trademark) AE-3000 produced by Asahi Glass Co., Ltd.). These solvents can be used alone or in the form of a mixture of two or more. Among them, hydrofluoroethers are preferred, and perfluorobutyl methyl ether (C4F9OCH3) and / or perfluorobutyl ethyl ether (C4F9OC2H5) are particularly preferred.

[0990] When the dry coating method is used, the surface treatment agent of the present invention can be used for the dry coating method directly, or can be used for the dry coating method after being diluted with the above-mentioned solvent.

[0991] The layer formation of the surface treatment agent is preferably implemented in a manner that the surface treatment agent of the present invention and the catalyst for hydrolysis and dehydration condensation coexist in the layer. For simplicity, when using a wet coating method, the catalyst can be added to the diluent of the surface treatment agent of the present invention after the surface treatment agent of the present invention is diluted with a solvent and before being applied to the substrate surface. When using a dry covering method, the surface treatment agent of the present invention to which the catalyst is added can be directly subjected to vapor deposition (usually vacuum deposition), or a granular material containing the surface treatment agent of the present invention to which the catalyst is added is used in a metal porous body such as iron or copper for vapor deposition (usually vacuum deposition).

[0992] Any appropriate acid or base can be used as the catalyst. As the acid catalyst, for example, acetic acid, formic acid, trifluoroacetic acid, etc. can be used. In addition, as the base catalyst, for example, ammonia, organic amines, etc. can be used.

[0993] The surface treatment layer contained in the article of the present invention has both high friction durability. In addition, the surface treatment layer can also have water repellency, oil repellency, antifouling property (for example, preventing the adhesion of dirt such as fingerprints), water repellency (preventing water from entering electronic components, etc.), surface sliding property (or lubricity, such as wiping off dirt such as fingerprints, excellent touch to fingers), etc., depending on the composition of the surface treatment agent used, and is suitable for use as a functional film.

[0994] Therefore, the present invention also relates to an optical material having the above-mentioned surface treatment layer as the outermost layer.

[0995] As optical materials, in addition to the optical materials for displays etc. exemplified below, a variety of optical materials can also be preferably listed: for example, cathode ray tubes (CRT; for example, personal computer monitors), liquid crystal displays, plasma displays, organic EL displays, inorganic thin film EL dot matrix displays, rear projection displays, fluorescent cathode ray tubes (VFD), field emission displays (FED; Field Emission Display) and other displays or protective plates for these displays, or materials whose surfaces have been treated with an anti-reflection film.

[0996] The article of the present invention is not particularly limited and may be an optical component. Examples of optical components include: lenses of glasses, etc.; front protective plates, anti-reflection plates, polarizing plates, anti-glare plates of displays such as PDP and LCD; touch panels of devices such as mobile phones and portable information terminals; disc surfaces of Blu-ray (registered trademark) discs, DVD discs, CD-R, MO, etc.; optical fibers; display surfaces of clocks, etc.

[0997] Furthermore, the article of the present invention may be a medical device or a medical material.

[0998] The thickness of the layer is not particularly limited. In the case of an optical component, the thickness of the layer is in the range of 1 to 50 nm, 1 to 30 nm, and preferably 1 to 15 nm from the viewpoint of optical performance, friction durability, and antifouling properties.

[0999] The surface treatment agent and article of the present invention have been described in detail above, but it should be noted that the surface treatment agent and article of the present invention are not limited to the above examples.

[1000] Example

[1001] Hereinafter, the surface treatment agent of the present invention will be described in the examples, but the present invention is not limited to the following examples. It should be noted that in the present examples, the order of existence of the repeating units constituting the fluoropolyether and the polyether is arbitrary, and the chemical formula shown below represents the average composition.

[1002] (ingredient (A))

[1003] As the fluorinated polyether group-containing silane compound, the following compounds (a1) and (a2) were prepared.

[1004] Compound (a1): m=15, n=16

[1005]

[1006] Compound (a2): m = 21, n = 36

[1007]

[1008] (Component (B))

[1009] As the polyoxyalkylene compound containing a fluoropolyether group, the following compound (b)) was prepared.

[1010] Compound (b): m = 23.1, n = 39.4, number average molecular weight = 5620

[1011]

[1012] Synthesis Example (b)

[1013] A 50 mL three-necked flask equipped with a reflux cooler, a thermometer and a stirrer was charged with HOCH2CF2O (CF2CF2) having an average composition of 23.1 (CF2O) 39.42 g of a perfluoropolyether-modified alcohol of CF2CH2OH (wherein a compound containing a trace amount of (CF2CF2CF2O) and / or (CF2CF2CF2CF2O) repeating units is also contained in the mixture), 4 g of 1,3-bis(trifluoromethyl)benzene, and 0.1 g of sodium hydroxide are stirred at 60°C for 2 hours. Next, 0.3 g of 1-bromo-2-(2-methoxyethoxy)ethane is added and stirred at 60°C for 2 hours. Thereafter, a washing operation is performed three times using 3N hydrochloric acid using a separatory funnel (more specifically, an operation of keeping the fluorine-based compound in the 1,3-bis(trifluoromethyl)benzene phase and separating the non-fluorine-based compound into the hydrochloric acid layer (aqueous system)). Thereafter, the volatile components are distilled off under reduced pressure, thereby obtaining 1.3 g of a polyoxyalkylene compound (b) containing a perfluoropolyether group.

[1014] CH3OCH2CH2OCH2CH2-OCH2CF2O(CF2CF2) 20.4 (CF2O) 34.5 CF2CH2O-CH2CH2OCH2CH2OCH3(b)

[1015] Examples 1 to 3

[1016] (Preparation of surface treatment agent)

[1017] The fluorinated polyether group-containing silane compound (component A) and the fluorinated polyether group-containing polyoxyalkylene compound (component B) shown in Table 1 were mixed in the ratio shown in Table 1. The obtained mixture was diluted with hydrofluoroether (manufactured by 3M Company, NOVEC 7200) so that the total concentration of component A and component B became 20 mass %, thereby preparing a surface treatment agent.

[1018] Comparative Examples 1-2

[1019] A surface treatment agent was prepared in the same manner as in the above-mentioned Example except that the component B was not used.

[1020] [Table 1]

[1021]

[1022] (Formation of Surface Treatment Layer)

[1023] The surface treatment agents (Examples 1 to 3 and Comparative Examples 1 to 2) prepared above were vacuum-deposited on chemically strengthened glass (Gorilla glass manufactured by Corning, thickness 0.7 mm). The processing conditions for vacuum deposition were set at a pressure of 3.0 × 10 －3 Pa, 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 vapor-deposited to form a surface treatment layer.

[1024] (Measurement of initial contact angle)

[1025] For the surface treated layers obtained by the surface treating agents of Examples 1 to 3 and Comparative Examples 1 to 2, the static contact angles of water at 5 locations were measured and the average value was taken as the value of the initial contact angle (0 times of friction).

[1026] (Rubber (ER) friction durability test)

[1027] The substrate horizontal configuration formed with the surface treatment layer was made to contact the surface of the surface treatment layer with rubber (minoan system, model: MB006004, diameter 0.6cm), and a load of 1000gf was applied thereon. Afterwards, the rubber was reciprocated at a speed of 20mm / second in the state of applying the load, thus implementing the rubber friction durability test. The static contact angle (degree) of 5 waters was measured for every 100 times of reciprocating times, and its mean value (degree) was taken. The test was stopped at the moment when the mean value (degree) of the contact angle was lower than 100 degrees, and the reciprocating times when the contact angle before this time exceeded 100 degrees were shown in the following table as the numerical value (time) of the rubber friction durability.

[1028] [Table 2]

[1029] Rubber friction durability (times) Example 1 6300 Example 2 6300 Comparative Example 1 2500

[1030] ·Steel wool (SW) friction durability evaluation

[1031] The base material having the surface treatment layer formed thereon was subjected to steel wool friction durability evaluation.

[1032] Specifically, a substrate with a surface treatment layer formed thereon is arranged horizontally, and steel wool (model #0000, size 5mm×10mm×10mm) is brought into contact with the surface treatment layer of the substrate, a load of 1,000gf is applied thereto, and then the steel wool is reciprocated at a speed of 140mm / second under the applied load. The static contact angle (degrees) of water is measured every 1,000 reciprocations, and the evaluation is terminated when the measured value of the contact angle is less than 100 degrees. Finally, the number of reciprocations when the contact angle exceeds 100 degrees is shown in the table. (In the table, the mark "-" indicates that it was not measured). It should be noted that the test was terminated at 20,000 reciprocations.

[1033] [Table 3]

[1034] Steel wool friction durability (times) Example 3 15000 Comparative Example 2 8000

[1035] From the above results, it was confirmed that the surface treatment agent of the present invention comprising a fluorinated polyether group-containing silane compound and a fluorinated polyether group-containing polyoxyalkylene compound can form a surface treatment layer having excellent friction durability.

[1036] Industrial Applicability

[1037] The article of the present invention can be applied to various uses, and can be used as an optical component of a touch screen, for example.

Claims

1. A polyoxyalkylene compound containing a fluoropolyether group, characterized in that: It is component (B): a polyoxyalkylene compound containing a fluorinated polyether group represented by formula (B1) or formula (B2): R FB1 -X B -R B (B1) R B -X B -R FB2 -X B -R B (B2) In formula (B1) or formula (B2): R FB1 is Rf 1 -R F -O q -, R FB2 is -Rf 2 p -R F -O q -, R F are each independently a divalent fluorinated polyether group, R 1 C may be substituted with one or more fluorine atoms 1－16 alkyl, R 2 C may be substituted with one or more fluorine atoms 1－6 Alkylene, p is 0 or 1, q is independently 0 or 1, X B are each independently a single bond or a divalent group, R B Each independently is a group containing an oxyalkylene group.

2. The polyoxyalkylene compound containing a fluoropolyether group according to claim 1, characterized in that: The groups containing oxyalkylene groups are independently groups represented by the following formula: -R 61 -(OR 63 ) b3 -R 62 or -X E (-R 61 -(OR 63 ) b3 -R 62 ) r2 Where: R 61 are independently a single bond or C 1－6 Alkylene, R 62 are independently a hydrogen atom, C 1－6 Alkyl or C 1－6 Alkoxy, R 63 C 1－6 Alkylene, b3 are each independently an integer of 1 to 6, X E is a 3- to 10-valent group, r2 is an integer from 2 to 9 and is greater than X E The valence is 1 less.

3. The polyoxyalkylene compound containing a fluoropolyether group according to claim 1 or 2, characterized in that: The groups containing oxyalkylene groups are independently groups represented by the following formula: -R 61 -(OR 63 ) b3 -R 62 Where: R 61 is a single bond or C 1－6 Alkylene, R 62 For hydrogen atoms, C 1－6 Alkyl or C 1－6 Alkoxy, R 63 C 1－6 Alkylene, b3 is an integer from 1 to 6.

4. The polyoxyalkylene compound containing a fluoropolyether group according to claim 2 or 3, characterized in that: R 63 C 1－3 Alkylene.

5. The polyoxyalkylene compound containing a fluoropolyether group according to any one of claims 1 to 4, characterized in that: X B are independently a single bond or -(R 67 ) b1 -(R 68 ) b2 - Where: R 67 C 1－6 Alkylene, R 68 are independently oxygen atoms, sulfur atoms, CO, NR 69 ,CONR 69 NR 69 CO or C 6－12 Arylene, R 69 are independently a hydrogen atom or a C 1－6 alkyl, b1 is an integer from 0 to 6, b2 is an integer from 0 to 6, The sum of b1 and b2 is 1 or more, The order of presence of the repeating units indicated as b1 or b2 and enclosed in parentheses is arbitrary in the formula.

6. The polyoxyalkylene compound containing a fluoropolyether group according to any one of claims 1 to 5, characterized in that: X B are independently a single bond, C 1－6 Alkylene or -R 64 -O-R 65 - R 64 is a single bond or C 1－6 Alkylene, R 65 is a single bond or C 1－6 Alkylene.

7. The polyoxyalkylene compound containing a fluoropolyether group according to any one of claims 1 to 6, characterized in that: R F Each is independently a group represented by the following formula: -(OC6F 12 ) a -(OC5F 10 ) b -(OC4F8) c -(OC3R Fa 6) d -(OC2F4) e -(OCF2) f - Where: R Fa are independently a hydrogen atom, a fluorine atom or a chlorine atom, a, b, c, d, e and f are each independently an integer of 0 to 200, the sum of a, b, c, d, e and f is 1 or more, the order of existence of the repeating units marked with a, b, c, d, e or f and enclosed in parentheses in the formula is arbitrary, wherein all R Fa When it is a hydrogen atom or a chlorine atom, at least one of a, b, c, e and f is 1 or more.

8. The polyoxyalkylene compound containing a fluoropolyether group according to any one of claims 1 to 7, characterized in that: R 1 C 1－16 Perfluoroalkyl, R 2 C 1－6 Perfluoroalkylene, R F Each is independently a group represented by the following formula: -(OC6F 12 ) a -(OC5F 10 ) b -(OC4F8) c -(OC3F6) d -(OC2F4) e -(OCF2) f - Where: a, b, c, d, e and f are each independently an integer of 0 to 200, the sum of a, b, c, d, e and f is 1 or more, the order of existence of the repeating units marked with a, b, c, d, e or f and enclosed in parentheses in the formula is arbitrary, wherein all R Fa When it is a hydrogen atom or a chlorine atom, at least one of a, b, c, e and f is 1 or more.

9. The polyoxyalkylene compound containing a fluoropolyether group according to any one of claims 1 to 8, characterized in that: R F are independently a group represented by the following formula (f1), formula (f2), formula (f3), formula (f4), formula (f5) or formula (f6): -(OC3F6) d -(OC2F4) e -(f1) In formula (f1), d is an integer of 1 to 200, and e is 0 or 1; <h2 style=";text-align:left;direction:ltr">(OC4F8)<h2 style=";text-align:left;direction:ltr"> c <h2 style=";text-align:left;direction:ltr"> (OC3F6)<h2 style=";text-align:left;direction:ltr"> d <h2 style=";text-align:left;direction:ltr"> (OC2F4)<h2 style=";text-align:left;direction:ltr"> e <h2 style=";text-align:left;direction:ltr"> (OCF2)<h2 style=";text-align:left;direction:ltr"> f <h2 style=";text-align:left;direction:ltr"> (f2) In formula (f2), c and d are each independently an integer of 0 to 30, e and f are each independently an integer of 1 to 200, The sum of c, d, e and f is an integer from 10 to 200, The order of presence of the repeating units marked c, d, e or f and enclosed in brackets in the formula is arbitrary; -(R 6 -R 7 ) g -(f3) In formula (f3), R 6 For OCF2 or OC2F4, R 7 is selected from OC2F4, OC3F6, OC4F8, OC5F 10 and OC6F 12 or a combination of two or three groups selected from these groups, g is an integer from 2 to 100; -(R 6 -R 7 ) g -R r -(R 7′ -R 6′ ) g′ -(f4) In formula (f4), R 6 For OCF2 or OC2F4, R 7 is selected from OC2F4, OC3F6, OC4F8, OC5F 10 and OC6F 12 or a combination of 2 or 3 groups independently selected from these groups, R 6′ For OCF2 or OC2F4, R 7′ is selected from OC2F4, OC3F6, OC4F8, OC5F 10 and OC6F 12 or a combination of 2 or 3 groups independently selected from these groups, g is an integer from 2 to 100, g′ is an integer from 2 to 100, R r for In the formula, * indicates the binding position; -(OC6F 12 ) a -(OC5F 10 ) b -(OC4F8) c -(OC3F6) d -(OC2F4) e -(OCF2) f - (f5) In formula (f5), e is an integer from 1 to 200, a, b, c, d and f are each independently an integer from 0 to 200, and the order of existence of each repeating unit marked with a, b, c, d, e or f and enclosed in parentheses is arbitrary in the formula; -(OC6F 12 ) a -(OC5F 10 ) b -(OC4F8) c -(OC3F6) d -(OC2F4) e -(OCF2) f - (f6) In formula (f6), f is an integer greater than 1 and less than 200, a, b, c, d and e are each independently an integer greater than 0 and less than 200, and the order of existence of each repeating unit marked with a, b, c, d, e or f and enclosed in parentheses in the formula is arbitrary.

10. A surface treatment agent, characterized in that Include: Component (A): a fluorinated polyether group-containing silane compound, and Component (B): the fluoropolyether group-containing polyoxyalkylene compound according to any one of claims 1 to 9.

11. The surface treatment agent according to claim 10, characterized in that: The fluorinated polyether group-containing silane compound is a compound represented by the following formula (A1) or formula (A2): R FA1 α1 -X A -R Si β1 (A1) R Si γ1 -X 4 -R FA2 -X A -R Si γ1 (A2) In formula (A1) or formula (A2): R FA1 Rf 1 -R F -O q - R FA2 is -Rf 2 p -R F -O q -, R F are each independently a divalent fluorinated polyether group, R 1 C may be substituted with one or more fluorine atoms 1－16 alkyl, R 2 C may be substituted with one or more fluorine atoms 1－6 Alkylene, p is 0 or 1, q is independently 0 or 1, R Si are each independently a monovalent group including a Si atom to which a hydroxyl group, a hydrolyzable group, a hydrogen atom or a monovalent group is bonded, At least 1 R Si is a monovalent group containing a Si atom to which a hydroxyl group or a hydrolyzable group is bonded, X A are each independently a single bond or a 2- to 10-valent group, α1 is an integer from 1 to 9, β1 is an integer from 1 to 9, γ1 is an integer of 1-9 respectively independently.

12. The surface treatment agent according to claim 11, characterized in that: In formula (A1) and formula (A2), R F Each is independently a group represented by the following formula: -(OC6F 12 ) a -(OC5F 10 ) b -(OC4F8) c -(OC3R Fa 6) d -(OC2F4) e -(OCF2) f - Where: R Fa are independently a hydrogen atom, a fluorine atom or a chlorine atom, a, b, c, d, e and f are each independently an integer of 0 to 200, the sum of a, b, c, d, e and f is 1 or more, the order of existence of the repeating units marked with a, b, c, d, e or f and enclosed in parentheses in the formula is arbitrary, wherein all R Fa When it is a hydrogen atom or a chlorine atom, at least one of a, b, c, e and f is 1 or more.

13. The surface treatment agent according to claim 11 or 12, characterized in that: In formula (A1) and formula (A2), Rf 1 C 1－16 Perfluoroalkyl, R 2 C 1－6 Perfluoroalkylene, R F Each is independently a group represented by the following formula: -(OC6F 12 ) a -(OC5F 10 ) b -(OC4F8) c -(OC3F6) d -(OC2F4) e -(OCF2) f - Where: a, b, c, d, e and f are each independently an integer of 0 to 200, the sum of a, b, c, d, e and f is 1 or more, the order of existence of the repeating units marked with a, b, c, d, e or f and enclosed in parentheses in the formula is arbitrary, wherein all R Fa When it is a hydrogen atom or a chlorine atom, at least one of a, b, c, e and f is 1 or more.

14. The surface treatment agent according to any one of claims 11 to 13, characterized in that: In formula (A1) and formula (A2), R F are independently a group represented by the following formula (f1), formula (f2), formula (f3), formula (f4), formula (f5) or formula (f6): -(OC3F6) d -(OC2F4) e - (f1) In formula (f1), d is an integer of 1 to 200, and e is 0 or 1; <h2 style=";text-align:left;direction:ltr">(OC4F8)<h2 style=";text-align:left;direction:ltr"> c <h2 style=";text-align:left;direction:ltr"> (OC3F6)<h2 style=";text-align:left;direction:ltr"> d <h2 style=";text-align:left;direction:ltr"> (OC2F4)<h2 style=";text-align:left;direction:ltr"> e <h2 style=";text-align:left;direction:ltr"> (OCF2)<h2 style=";text-align:left;direction:ltr"> f <h2 style=";text-align:left;direction:ltr"> -(f2) In formula (f2), c and d are each independently an integer of 0 to 30, e and f are each independently an integer of 1 to 200, The sum of c, d, e and f is an integer from 10 to 200, The order of presence of the repeating units marked c, d, e or f and enclosed in brackets in the formula is arbitrary; -(R 6 -R 7 ) g - (f3) In formula (f3), R 6 For OCF2 or OC2F4, R 7 is selected from OC2F4, OC3F6, OC4F8, OC5F 10 and OC6F 12 or a combination of two or three groups selected from these groups, g is an integer from 2 to 100; -(R 6 -R 7 ) g -R r -(R 7′ -R 6′ ) g′ - (f4) In formula (f4), R 6 For OCF2 or OC2F4, R 7 is selected from OC2F4, OC3F6, OC4F8, OC5F 10 and OC6F 12 or a combination of 2 or 3 groups independently selected from these groups, R 6′ For OCF2 or OC2F4, R 7′ is selected from OC2F4, OC3F6, OC4F8, OC5F 10 and OC6F 12 or a combination of 2 or 3 groups independently selected from these groups, g is an integer from 2 to 100, g′ is an integer from 2 to 100, R r for In the formula, * indicates the binding position; -(OC6F 12 ) a -(OC5F 10 ) b -(OC4F8) c -(OC3F6) d -(OC2F4) e -(OCF2) f - (f5) In formula (f5), e is an integer from 1 to 200, a, b, c, d and f are each independently an integer from 0 to 200, and the order of existence of each repeating unit marked with a, b, c, d, e or f and enclosed in parentheses is arbitrary in the formula; -(OC6F 12 ) a -(OC5F 10 ) b -(OC4F8) c -(OC3F6) d -(OC2F4) e -(OCF2) f - (f6) In formula (f6), f is an integer greater than 1 and less than 200, a, b, c, d and e are each independently an integer greater than 0 and less than 200, and the order of existence of each repeating unit marked with a, b, c, d, e or f and enclosed in parentheses in the formula is arbitrary.

15. The surface treatment agent according to any one of claims 11 to 14, characterized in that: R Si It is a group represented by the following formula (S1), formula (S2), formula (S3), formula (S4) or formula (S5): -SiR 11 n1 R 12 3-n1 (S2) -Sir a1 k1 R b1 l1 R c1 m1 (S3) -CR d1 k2 R e1 l2 R f1 m2 (S4) -NR g1 R h1 (S5) In formula (S1), formula (S2), formula (S3), formula (S4) or formula (S5): R 11 are independently a hydroxyl group or a hydrolyzable group, R 12 are each independently a hydrogen atom or a monovalent organic group, n1 in each (SiR 11 n1 R 12 3-n1 ) units are each independently an integer from 0 to 3, X 11 are each independently a single bond or a divalent group, R 13 are each independently a hydrogen atom or a monovalent organic group, t are each independently an integer greater than 2, R 14 are independently a hydrogen atom, a halogen atom or -X 11 -SiR 11 n1 R 12 3-n1 , R 15 are each independently a single bond, an oxygen atom, an alkylene group having 1 to 6 carbon atoms, or an alkyleneoxy group having 1 to 6 carbon atoms, R a1 Each independently is -Z 1 -SiR 21 p1 R 22 q1 R 23 r1 ; Z 1 are each independently a divalent group, R 21 Each independently is -Z 1′ -SiR 21′ p1′ R 22′ q1′ R 23′ r1′ ; R 22 are independently a hydroxyl group or a hydrolyzable group, R 23 are each independently a hydrogen atom or a monovalent organic group, p1 is an integer from 0 to 3 independently. q1 are each independently an integer from 0 to 3, r1 is an integer from 0 to 3 independently. The sum of p1, q1 and r1 is (SiR 21 p1 R 22 q1 R 23 r1 ) unit is 3, Z 1′ are each independently a divalent group, R 21′ Independently -Z 1" -SiR 22" q1" R 23" r1" ; R 22′ are independently a hydroxyl group or a hydrolyzable group, R 23′ are each independently a hydrogen atom or a monovalent organic group, p1′ is independently an integer from 0 to 3, q1′ is independently an integer from 0 to 3, r1′ is independently an integer from 0 to 3, The sum of p1′, q1′ and r1′ is (SiR 21′ p1′ R 22′ q1′ R 23′ r1′ ) unit is 3, Z 1" are each independently a divalent group, R 22" are independently a hydroxyl group or a hydrolyzable group, R 23" are each independently a hydrogen atom or a monovalent organic group, q1" are each independently an integer from 0 to 3, r1" are each independently an integer from 0 to 3, The sum of q1" and r1" is (SiR 22" q1" R 23" r1" ) unit is 3, R b1 are independently a hydroxyl group or a hydrolyzable group, R c1 are each independently a hydrogen atom or a monovalent organic group, k1 are each independently an integer from 0 to 3, l1 are each independently an integer from 0 to 3, m1 are each independently an integer of 0 to 3, The sum of k1, l1 and m1 is (SiR a1 k1 R b1 l1 R c1 m1 ) unit is 3, R d1 Independently -Z 2 -CR 31 p2 R 32 q2 R 33 r2 ; Z 2 are each independently a single bond or a divalent group; R 31 Independently -Z 2′ -CR 32′ q2′ R 33′ r2′ ; R 32 Independently -Z 3 -SiR 34 n2 R 35 3－n2 , R 33 are each independently a hydrogen atom, a hydroxyl group or a monovalent organic group, p2 are each independently an integer from 0 to 3, q2 are each independently an integer from 0 to 3, r2 are each independently an integer from 0 to 3, The sum of p2, q2 and r2 is (CR 31 p2 R 32 q2 R 33 r2 ) unit is 3, Z 2′ are each independently a single bond or a divalent group; R 32′ Independently -Z 3 -SiR 34 n2 R 35 3－n2 , R 33′ are each independently a hydrogen atom, a hydroxyl group or a monovalent organic group, q2′ are each independently an integer from 0 to 3, r2′ is independently an integer of 0 to 3, The sum of q2′ and r2′ is (CR 32′ q2′ R 33′ r2′ ) unit is 3, Z 3 are each independently a single bond or a divalent group; R 34 are independently a hydroxyl group or a hydrolyzable group, R 35 are each independently a hydrogen atom or a monovalent organic group, n2 are each independently an integer of 0 to 3, R e1 Independently -Z 3 -SiR 34 n2 R 35 3－n2 , R f1 are each independently a hydrogen atom, a hydroxyl group or a monovalent organic group, k2 are each independently an integer from 0 to 3, l2 are each independently an integer from 0 to 3, m2 are each independently an integer of 0 to 3, The sum of k2, l2 and m2 is (CR d1 k2 R e1 l2 R f1 m2 ) unit is 3, R g1 and R h1 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 f1 m2 , Z 4 are each independently a single bond or a divalent group, Among them, in formula (S1), formula (S2), formula (S3), formula (S4) and formula (S5), there is at least one Si atom to which a hydroxyl group or a hydrolyzable group is bonded.

16. The surface treatment agent according to any one of claims 11 to 15, characterized in that: α1, β1 and γ1 are 1, X A It is a divalent group.

17. The surface treatment agent according to any one of claims 11 to 16, characterized in that: X A is a single bond or a divalent group represented by the following formula: -(R 51 ) p5 -(X 51 ) q5 - Where: R 51 is a single bond, -(CH2) s5 - or o-phenylene, m-phenylene or p-phenylene, s5 is an integer from 1 to 20, X 51 For - (X 52 ) l5 - X 52 are independently selected from -O-, -S-, o-phenylene, m-phenylene or p-phenylene, -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 - in the group, R 53 are independently phenyl, C 1－6 Alkyl or C 1－6 Alkoxy, R 54 are independently a hydrogen atom, a phenyl group or a C 1－6 alkyl, m5 are each independently an integer of 1 to 100, n5 are each independently an integer of 1 to 20, l5 is an integer from 1 to 10, p5 is 0 or 1, q5 is 0 or 1, Here, at least one of p5 and q5 is 1, and the order of existence of the repeating units marked with p5 or q5 and enclosed in parentheses is arbitrary, Right side with R Si Combine.

18. The surface treatment agent according to any one of claims 11 to 15, characterized in that: X A A group represented by the following formula: Where, X a It is a single bond or a divalent group.

19. The surface treatment agent according to any one of claims 10 to 18, characterized in that: The content of the component (B) is 1 to 70% by mass based on the total of the component (A) and the component (B).

20. The surface treatment agent according to any one of claims 10 to 19, characterized in that: The content of the component (B) is 1 to 40% by mass based on the total of the component (A) and the component (B).

21. The surface treatment agent according to any one of claims 10 to 20, characterized in that: It further contains one or more other components selected from the group consisting of fluorinated oil, silicone oil, alcohol and catalyst.

22. The surface treatment agent according to any one of claims 10 to 21, characterized in that: Also contains solvent.

23. The surface treatment agent according to any one of claims 10 to 22, characterized in that: Used as an antifouling coating or a water-repellent coating.

24. A pellet, characterized in that: Contains the surface treatment agent according to any one of claims 10 to 23.

25. An article, characterized in that include: A substrate, and a layer formed on the substrate from the surface treatment agent according to any one of claims 10 to 24.

26. The article of claim 25, wherein: The substrate is a glass substrate.

27. The article of claim 25, wherein: It is an optical component.

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