US4879345A
Expired / Lapsed
US
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Fluoropolymer based coating composition for adhesion direct to glass
Assignee: PPG Industries Ohio Inc
•
Filing: 1988-07-27
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Granted: 1989-11-07
•
Expires: 2008-07-27
Abstract
Abstract A coating composition, containing a fluoropolymer, a film-forming adjuvant resin which is different from the fluoropolymer and adapted to react with the group represented by F in the functional organosilane of formula I and which is selected from the group consisting of acrylic resins, polyepoxide resins, polyester resins, aminoplast resins and mixtures thereof; and an amount effective to promote adhesion of a functional organosilane represented by formula I: ##STR1## wherein A represents an organo group containing from 1 to 18 carbon atoms, G represents an organo group containing from 2 to 10 carbon atoms, X represents a hydrolyzable group; and b is an integer from 0 to 2, and F represents amino, polyamino, glycidoxy, mercapto, cyano, allyl, vinyl, urethano, halo, isocyanato, ureido, imidazolinyl, acrylato or methacrylato.
Inventors
- 👤 Bruce A. Connelly
- 👤 Matthew E. Wehrle
- 👤 Paul P. Greigger
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 05:49
CPC Classifications
C; C04; C04B; C04B41/00; C04B41/009; C03; C03C; C03C17/00; C03C17/28; C03C17/30; C04B41/45; C04B41/46; C04B41/48; C04B41/4838; C04B41/4842; C04B41/49; C04B41/4905; C04B41/4988; C04B41/52; C04B41/80; C04B41/81; C04B41/82; C04B41/83; C04B41/84; C04B41/89; C08; C08K; C08K5/00; C08K5/54; C09; C09D; C09D127/00; C09D127/02; C09D127/12; C23; C23C; C23C2/00; C23C2/04; C23C24/00; C23C4/00; C23C4/04
Claims Analysis
Total Claims: 32
Claim 1
Independent Claim
127 words
A coating composition, comprising a fluoropolymer, a film forming adjuvant resin which is different from the fluoropolymer and adapted to react with the group represented by F in the functional organosilane of formula I and which is selected from the group consisting of acrylic resins, polypoxide resins, polyester resins, aminoplast resins and mixtures thereof; and an amount effective to promote adhesion of a functional organosilane represented by formula I: ##STR7## wherein A represents an organo group containing from 1 to 18 carbon atoms, G represents an organo group containing from 2 to 10 carbon atoms, X represents a hydrolyzable group, b is an integer from 0 to 2, and F represents amino, polyamino, epoxy, glycidoxy, mercapto, cyano, allyl, vinyl, urethano, halo, isocyanato, ureido, imidazolinyl, acrylato or methacrylato.
Claim 2
Dependent Claim
127 words
A coating composition, comprising a fluoropolymer, a film forming adjuvant resin which is different from the fluoropolymer and adapted to react with the group represented by F in the functional organosilane of formula I and which is selected from the group consisting of acrylic resins, polypoxide resins, polyester resins, aminoplast resins and mixtures thereof; and an amount effective to promote adhesion of a functional organosilane represented by formula I: ##STR7## wherein A represents an organo group containing from 1 to 18 carbon atoms, G represents an organo group containing from 2 to 10 carbon atoms, X represents a hydrolyzable group, b is an integer from 0 to 2, and F represents amino, polyamino, epoxy, glycidoxy, mercapto, cyano, allyl, vinyl, urethano, halo, isocyanato, ureido, imidazolinyl, acrylato or methacrylato.
Claim 3
Dependent Claim
78 words
The coating composition of claim 1 wherein the hydrolyzable group X represents --OR 1 , ##STR8## and the monohydroxy cyclic C 2 -C 3 residue of a 1,2- or 1,3-glycol, wherein R 1 represents C 1 -C 3 alkyl, R 2 independently represents H or C 1 -C 4 alkyl, R 3 and R 4 independently represent H, C 1 -C 4 alkyl or C 6 -C 8 aryl, and R 5 represents C 4 -C 7 alkylene.
Claim 4
Dependent Claim
27 words
The coating composition of claim 1 wherein the adjuvant resin is selected from the group of thermoplastic acrylic resins, thermosetting acrylic resins, polyepoxide resins and mixtures thereof.
Claim 5
Dependent Claim
15 words
The coating composition of claim 3 wherein the adjuvant resin is a thermoplastic acrylic resin.
Claim 6
Dependent Claim
15 words
The coating composition of claim 3 wherein the adjuvant resin is a thermosetting acrylic resin.
Claim 7
Dependent Claim
22 words
The coating composition of claim 3 wherein the adjuvant resin is a mixture of a thermoplastic acrylic resin and a polyepoxide resin.
Claim 8
Dependent Claim
18 words
The coating composition of claim 1 wherein the F group of the functional organosilane is an epoxy group.
Claim 9
Dependent Claim
13 words
The coating composition of claim 7 wherein the silane is a gamma-glycidoxypropyltrialkoxy silane.
Claim 10
Dependent Claim
14 words
The coating composition of claim 1 wherein the F group is amino or polyamino.
Claim 11
Dependent Claim
20 words
The coating composition of claim 4 wherein the thermoplastic acrylic resin is a copolymer of methyl methacrylate and ethyl acrylate.
Claim 12
Dependent Claim
12 words
The coating composition of claim 1 wherein the F group is vinyl.
Claim 13
Dependent Claim
17 words
The coating composition of claim 6 wherein the polyepoxide resin is a polyglycidyl ether of a polyphenol.
Claim 14
Dependent Claim
23 words
The coating composition of claim 1 wherein the silane is present in an amount of at least 0.1 percent based on resin solids.
Claim 15
Dependent Claim
23 words
The coating composition of claim 13 wherein the silane is present in the amount of at least 2 percent based on resin solids.
Claim 16
Dependent Claim
27 words
The coating composition of claim 13 wherein the silane is present in an amount ranging from about 0.1 percent to about 15 percent based on resin solids.
Claim 17
Dependent Claim
49 words
The coating composition of claim 4 wherein the fluoropolymer is present in an amount ranging from about 5 percent to about 65 percent based on resin solids and the acrylic resin is present in an amount ranging from about 5 percent to about 95 percent based on resin solids.
Claim 18
Dependent Claim
62 words
The coating composition of claim 6 wherein the fluoropolymer is present in an amount ranging from about 50 to about 70 percent, the acrylic resin is present in an amount ranging from about 10 percent to about 40 percent and the polyepoxide is present in an amount ranging from about 5 percent to about 15 percent, the percentages based on resin solids.
Claim 19
Independent Claim
151 words
A method of forming a decorative coating on a glass substrate comprising: (a) applying to the glass substrate a coating composition comprising a fluoropolymer, a film-forming adjuvant resin which is different from the fluoropolymer and adapted to react with the group represented by F in the functional organosilane of formula I and which is selected from the group consisting of acrylic resins, polyepoxide resins, polyester resins, aminoplast resins and mixtures thereof; and an amount effective to promote adhesion of a functional organosilane represented by formula I: ##STR9## wherein A represents an organo group consisting from 1 to 18 carbon atoms, G represents an organo group containing from 2 to 10 carbon atoms, X represents a hydrolyzable group; b is an integer from 0 to 2, and F represents amino, polyamino, epoxy, glycidoxy, mercapto, cyano, allyl, vinyl, urethano, halo, isocyanato, ureido, imidazolinyl, acrylato or methacrylato. (b) allowing the coating composition to cure.
Claim 20
Independent Claim
151 words
A method of forming a decorative coating on a glass substrate comprising: (a) applying to the glass substrate a coating composition comprising a fluoropolymer, a film-forming adjuvant resin which is different from the fluoropolymer and adapted to react with the group represented by F in the functional organosilane of formula I and which is selected from the group consisting of acrylic resins, polyepoxide resins, polyester resins, aminoplast resins and mixtures thereof; and an amount effective to promote adhesion of a functional organosilane represented by formula I: ##STR9## wherein A represents an organo group consisting from 1 to 18 carbon atoms, G represents an organo group containing from 2 to 10 carbon atoms, X represents a hydrolyzable group; b is an integer from 0 to 2, and F represents amino, polyamino, epoxy, glycidoxy, mercapto, cyano, allyl, vinyl, urethano, halo, isocyanato, ureido, imidazolinyl, acrylato or methacrylato. (b) allowing the coating composition to cure.
Claim 21
Dependent Claim
26 words
The method of claim 18 additionally comprising the step of applying over the composition of (a) a second coat of an organic solvent based coating composition.
Claim 22
Dependent Claim
16 words
The method of claim 19 wherein the organic solvent based coating composition is a pigmented composition.
Claim 23
Dependent Claim
16 words
The method of claim 19 wherein the organic solvent based coating composition is an unpigmented composition.
Claim 24
Dependent Claim
15 words
The method of claim 20 wherein the coating composition is a fluoropolymer based coating composition.
Claim 25
Dependent Claim
22 words
The method of claim 22 additionally comprising the step of applying over the pigmented composition an unpigmented organic solvent based coating composition.
Claim 26
Dependent Claim
74 words
The method of claim 17 wherein X represents OR 1 ##STR10## and the monohydroxy or cyclic C 2 -C 3 residue of a 1,2- or 1,3-glycol, wherein R 1 represents C 1 -C 3 alkyl, R 2 independently represents H or C 1 -C 4 alkyl, R 3 and R 4 independently represent H, C 1 -C 4 alkyl or C 6 -C 8 aryl, and R 5 represents C 4 -C 7 alkylene.
Claim 27
Dependent Claim
121 words
The method of claim 20 wherein the pigmented coating composition is an organic solvent based coating composition, comprising a fluoropolymer, and a film-forming adjuvant resin which is different from the fluoropolymer and adapted to react with the group represented by F in the functional organosilane of formula I; and an amount effective to promote adhesion of a functional organosilane represented by formula I: ##STR11## wherein A represents an organo group containing from 1 to 18 carbon atoms, G represents an organo group containing from 2 to 10 carbon atoms, X represents a hydrolyzable group; b is an integer from 0 to 2, and F represents amino, polyamino, epoxy, glycidoxy, mercapto, cyano, allyl, vinyl, urethano, halo, isocyanato, ureido, imidazolinyl, acrylato, or methacrylato.
Claim 28
Dependent Claim
120 words
The method of claim 21 wherein the unpigmented coating composition is an organic solvent based coating composition, comprising a fluoropolymer, a film-forming adjuvant resin which is different from the fluoroplymer and adapted to react with the group represented by F in the functional organosilane of formula I; and an amount effective to promote adhesion of a functional organosilane represented by formula I: ##STR12## wherein A represents an organo group containing from 1 to 18 carbon atoms, G represents an organo group containing from 2 to 10 carbon atoms, X represents a hydrolyzable group; b is an integer from 0 to 2, and F represents amino, polyamino, epoxy, glycidoxy, mercapto, cyano, allyl, vinyl, urethano, halo, isocyanato, ureido, imidazolinyl, acrylato or methacrylato.
Claim 29
Dependent Claim
7 words
A coated article according to claim 18.
Claim 30
Dependent Claim
7 words
A coated article according to claim 19.
Claim 31
Dependent Claim
7 words
A coated article according to claim 20.
Claim 32
Dependent Claim
7 words
A coated article according to claim 23.
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1992-11-06 | 1993-05-08 | 1993-11-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1996-11-06 | 1997-05-08 | 1997-11-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 2000-11-06 | 2001-05-08 | 2001-11-07 | $7700.00 | Window Closed / Lapsed |