Articles and methods for manufacturing articles

Abstract

本開示は、良好な耐久性を有する表面処理層を備えた物品の提供を目的とする。【解決手段】基材(A)と、撥水撥油層(C)と、前記基材(A)と前記撥水撥油層(C)との間に配置され、アルカリ金属原子と、Cl-、NO3-、SO3-、SO42-、PO3-及びPO43-からなる群より選ばれる1種又は2種以上とを含む、酸化ケイ素層(B)とを備え、前記酸化ケイ素層(B)は、前記撥水撥油層(C)と接する面からの深さが0.1~0.3nmの領域において、アルカリ金属原子の濃度の平均値が、1.4×1018atoms / cm3以上2.0×1019atoms / cm3未満であり、前記撥水撥油層(C)は、水酸基又加水分解性基が結合したSi原子を有するシラン化合物を含む表面処理剤を用いて形成され、前記シラン化合物は、フッ素原子を有する、物品。

Claims

1. Substrate (A), Water-repellent and oil-repellent layer (C), Disposed between the base material (A) and the water / oil repellent layer (C), containing one or more selected from the group consisting of an alkali metal atom and Cl － , NO ３ － , SO ３ － , SO ４ ２－ , PO ３ － and PO ４ ３－ and comprising a silicon oxide layer (B). In the silicon oxide layer (B), in a region with a depth of 0.1 to 0.3 nm from the surface in contact with the water-repellent and oil-repellent layer (C), the average concentration of alkali metal atoms is 1.4 × 10⁻¹⁶. １８ atoms / cm ３ The above 2.0 x 10 １９ atoms / cm ３ It is less than, The water- and oil-repellent layer (C) is formed using a surface treatment agent containing a silane compound having Si atoms to which hydroxyl groups or hydrolyzable groups are bonded. The silane compound is an article having a fluorine atom.

2. The article according to claim 1, wherein the alkali metal atom includes a sodium atom.

3. The silicon oxide layer (B) is made of Cl － SO ３ － and NO ３ － The article according to claim 1, comprising one or more types selected from the group consisting of the following.

4. The silicon oxide layer (B) consists of sodium atoms and Cl － SO ３ － and NO ３ － The article according to claim 1, comprising one or more selected from the group consisting of the following.

5. The article according to claim 1, wherein the silicon oxide layer (B) comprises one or more selected from condensates of silicate compounds and hydrolysates of alkoxysilanes.

6. The silicon oxide layer (B) is formed from a binder composition, The article according to claim 1, wherein the binder composition comprises a silicon dioxide precursor, an acid, and an alkali metal salt.

7. The silicon oxide layer (B) is formed from a liquid binder composition. The article according to claim 1, wherein the liquid binder composition comprises a silicon dioxide precursor, an acid, an alkali metal salt, and a solvent.

8. The article according to claim 6, wherein the silicon dioxide precursor comprises one or more selected from silicic acid compounds, condensates of silicic acid compounds, alkoxysilanes, and hydrolysis condensates of alkoxysilanes.

9. The silane compound in the water-repellent and oil-repellent layer (C) is of the following formula (1) or (2): 【Chemistry 1】 [In the formula: R Ｆ１ Each of them is independent of Rf １ -R Ｆ -O ｑ - and; R Ｆ２ is -Rf ２ ｐ -R Ｆ -O ｑ - and; Rf １ Each of these C atoms may be independently substituted with one or more fluorine atoms. １－１６ It is an alkyl group; Rf ２ C may be substituted with one or more fluorine atoms. １－６ It is an alkylene group; R Ｆ Each of these is independently a divalent fluoropolyether group; p is either 0 or 1; q is either 0 or 1, independently of each other; R Ｓｉ Each of these is independently a monovalent group containing a hydroxyl group, a hydrolyzable group, a hydrogen atom, or a monovalent organic group bonded to a Si atom; at least one R Ｓｉ This is a monovalent group containing a Si atom to which a hydroxyl group or hydrolyzable group is bonded; X Ａ Each of these is independently a single bond or a divalent to decavalent organic group; α is an integer between 1 and 9; β is an integer between 1 and 9; Each of the γ values ​​is an independent integer between 1 and 9. The article according to any one of claims 1 to 8, comprising at least one silane compound represented by .

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

11. A method for manufacturing an article, The aforementioned article comprises a base material (A) and A water- and oil-repellent layer (C) formed from a silane compound containing Si atoms to which hydroxyl groups or hydrolyzable groups are bonded, Displaced between the substrate (A) and the water-repellent and oil-repellent layer (C), alkali metal atoms and Cl － NO ３ － SO ３ － SO ４ ２－ , PO ３ － and PO ４ ３－ A silicon oxide layer (B) comprising one or more selected from the group consisting of the following, In the silicon oxide layer (B), in a region with a depth of 0.1 to 0.3 nm from the surface in contact with the water-repellent and oil-repellent layer (C), the average concentration of alkali metal atoms is 1.4 × 10⁻¹⁶. １８ atoms / cm ３ The above 2.0 x 10 １９ atoms / cm ３ It is less than, The silane compound is a method for producing an article having a fluorine atom.

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