Abstract A composition for coating, which comprises: (1) 100 parts by weight of film forming components comprising: (A) 10 to 90% by weight of an organosilane triol of the following formula and/or its partial condensate: R1Si(OH)3 wherein R1 represents a monovalent group selected from the group consisting of alkyl groups having 1 to 3 carbon atoms and aryl groups, and (B) 90 to 10% by weight of colloidal silica; and (2) 5 to 40 parts by weight of a copolymer of: (C) a compound represented by the formula: <IMAGE> wherein Q represents >C=O or the following formula: <IMAGE> wherein each X may be either the same or different and each represents hydrogen atom or hydroxyl group, of which at least one is hydroxyl group, and R2 represents an alkyl group having 1 to 18 carbon atoms, and (D) an epoxy group-containing trialkoxysilane.
Inventors
👤 Hiroshi Kimura
👤 Ikurou Mori
👤 Bunjirou Murai
Bibliographic Details
Application Number—
JurisdictionUS
Data Sourcegoogle_patents
Last Synchronized2026-11-01 21:53
CPC Classifications
C; C09; C09D; C09D183/00; C09D183/04
Claims Analysis
Total Claims: 5
Claim 1
Independent Claim
144 words
A composition for coating, which comprises: (1) 100 parts by weight of film forming components comprising: (A) 10 to 90% by weight of an organosilane triol of the following formula and/or its partial condensate: R.sup.1 Si(OH).sub.3 wherein R 1 represents a monovalent group selected from the group consisting of alkyl groups having 1 to 3 carbon atoms and aryl groups, and (B) 90 to 10% by weight of colloidal silica; and (2) 5 to 40 parts by weight of a copolymer of: (C) a compound represented by the formula: ##STR9## wherein Q represents >C═O or the following formula: ##STR10## wherein each X may be either the same or different and each represents hydrogen atom or hydroxyl group, of which at least one is hydroxyl group, and R 2 represents an alkyl group having 1 to 18 carbon atoms, and (D) an epoxy group-containing trialkoxysilane.
Claim 2
Dependent Claim
144 words
A composition for coating, which comprises: (1) 100 parts by weight of film forming components comprising: (A) 10 to 90% by weight of an organosilane triol of the following formula and/or its partial condensate: R.sup.1 Si(OH).sub.3 wherein R 1 represents a monovalent group selected from the group consisting of alkyl groups having 1 to 3 carbon atoms and aryl groups, and (B) 90 to 10% by weight of colloidal silica; and (2) 5 to 40 parts by weight of a copolymer of: (C) a compound represented by the formula: ##STR9## wherein Q represents >C═O or the following formula: ##STR10## wherein each X may be either the same or different and each represents hydrogen atom or hydroxyl group, of which at least one is hydroxyl group, and R 2 represents an alkyl group having 1 to 18 carbon atoms, and (D) an epoxy group-containing trialkoxysilane.
Claim 3
Dependent Claim
13 words
The composition for coating according to claim 1, wherein Component (C) is 2,4-dihydroxybenzophenone.
Claim 4
Dependent Claim
15 words
The composition for coating according to claim 1, wherein Component (D) is γ-glycidoxypropyltrimethoxysilane or β-(3,4-epoxycyclohexyl)ethyltrimethoxysilane.
Claim 5
Dependent Claim
23 words
The composition for coating according to claim 1, wherein Component (2) is added in an amount of 15 to 30 parts by weight.