US4499151A
Expired / Lapsed
US
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Color plus clear coating method utilizing addition interpolymers containing alkoxy silane and/or acyloxy silane groups
Assignee: PPG Industries Ohio Inc
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Filing: 1983-09-06
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Granted: 1985-02-12
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Expires: 2003-09-06
Abstract
Abstract Disclosed is a method for coating a substrate comprising the steps of (a) forming a basecoat by coating the substrate with a pigmented basecoating composition; and (b) thereafter forming a topcoat by coating the basecoat with a clear topcoating composition; wherein at least one of the basecoating composition and topcoating composition contains an addition interpolymer having alkoxysilane and/or acyloxysilane moieties.
Inventors
- 👤 Rostyslaw Dowbenko
- 👤 Raymond S. Stewart
- 👤 Marvis E. Hartman
- 👤 Barbara Gorman
- 👤 Stephen J. Thomas
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 23:15
CPC Classifications
B; B05; B05D; B05D7/00; B05D7/50; B05D7/52; B05D7/53; B05D7/532; B05D5/00; B05D5/06; B05D5/067; B05D5/068; Y; Y10; Y10T; Y10T428/00; Y10T428/31504; Y10T428/31652; Y10T428/31663
Claims Analysis
Total Claims: 33
Claim 1
Independent Claim
168 words
A method of coating a substrate comprising the steps of: (a) coating a substrate with one or more applications of a pigmented basecoating composition comprising an addition interpolymer having alkoxy silane groups and/or acyloxy silane groups, said addition interpolymer derived from the reaction of a mixture of monomers wherein the mixture of monomers consists essentially of: (i) from about 50 percent to about 95 percent by weight of at least one ethylenically unsaturated silicon-free monomer, and (ii) from about 5 percent to about 50 percent by weight of a copolymerizable ethylenically unsaturated silane monomer selected from the group consisting of an alkoxy silane monomer, an acyloxy silane monomer, and a mixture thereof, to form a basecoat; and before a substantial amount of drying or curing of said basecoat has occurred (b) coating the basecoat with one or more applications of a topcoating composition comprising a film-forming resin to form a clear topcoat; wherein, after said steps (a) and (b), said basecoat and said topcoat dry or cure together.
Claim 2
Independent Claim
168 words
A method of coating a substrate comprising the steps of: (a) coating a substrate with one or more applications of a pigmented basecoating composition comprising an addition interpolymer having alkoxy silane groups and/or acyloxy silane groups, said addition interpolymer derived from the reaction of a mixture of monomers wherein the mixture of monomers consists essentially of: (i) from about 50 percent to about 95 percent by weight of at least one ethylenically unsaturated silicon-free monomer, and (ii) from about 5 percent to about 50 percent by weight of a copolymerizable ethylenically unsaturated silane monomer selected from the group consisting of an alkoxy silane monomer, an acyloxy silane monomer, and a mixture thereof, to form a basecoat; and before a substantial amount of drying or curing of said basecoat has occurred (b) coating the basecoat with one or more applications of a topcoating composition comprising a film-forming resin to form a clear topcoat; wherein, after said steps (a) and (b), said basecoat and said topcoat dry or cure together.
Claim 3
Dependent Claim
18 words
The method of claim 1 wherein the ethylenically unsaturated silicon-free monomer is substantially devoid of active hydrogen atoms.
Claim 4
Dependent Claim
30 words
The method of claim 1 wherein the ethylenically unsaturated silicon-free monomer used in making the addition interpolymer is an alkyl acrylate, alkyl methacrylate vinyl aromatic hydrocarbon or a mixture thereof.
Claim 5
Dependent Claim
23 words
The method of claim 3 wherein the alkyl acrylate and alkyl methacrylate contain from 1 to 12 carbon atoms in the alkyl group.
Claim 6
Dependent Claim
19 words
The method of claim 3 wherein the vinyl aromatic hydrocarbon is styrene, vinyl toluene, alpha-methylstyrene or a mixture thereof.
Claim 7
Dependent Claim
30 words
The method of claim 3 wherein the silane monomer used in making the addition interpolymer is an acrylatoalkoxysilane monomer having from 1 to 4 carbon atoms in the alkoxy group.
Claim 8
Dependent Claim
16 words
The method of claim 6 wherein the acrylatoalkoxysilane monomer is gamma-methacryloxypropyltrimethoxysilane, gamma-methacryloxypropyltriethoxysilane or a mixture thereof.
Claim 9
Dependent Claim
36 words
The method of claim 1 wherein the topcoating composition contains as film-forming resin at least one resin selected from the group consisting of said addition interpolymers, acrylics, aminoplasts, urethanes, cellulosics, polyesters, epoxies and a mixture thereof.
Claim 10
Dependent Claim
25 words
The method of claim 1 wherein the basecoating composition and/or the topcoating composition comprises an additive for sag resistance and/or pigment orientation containing polymer microparticles.
Claim 11
Dependent Claim
51 words
The method of claim 8 wherein the mixture of monomers used in making the addition interpolymer consists essentially of from about 70 percent to about 90 percent by weight of the ethylenically unsaturated silicon-free monomer and from about 10 percent to about 30 percent by weight of the copolymerizable acrylatoalkoxysilane monomer.
Claim 12
Dependent Claim
29 words
The method of claim 1 wherein a mercaptoalkyl trialkoxysilane is used as a chain transfer agent in the reaction of the mixture of monomers to make the addition interpolymer.
Claim 13
Dependent Claim
103 words
The method of claim 1 wherein the film-forming resin used in the topcoating composition is an addition interpolymer having alkoxy silane groups and/or acyloxy silane groups, said addition interpolymer being derived from the reaction of a mixture of monomers wherein the mixture of monomers consists essentially of: (i) from about 50 percent to about 95 percent by weight of at least one ethylenically unsaturated silicon-free monomer, and (ii) from about 5 percent to about 50 percent by weight of a copolymerizable ethylenically unsaturated silane monomer selected from the group consisting of an alkoxy silane monomer, an acyloxy silane monomer, and a mixture thereof.
Claim 14
Dependent Claim
22 words
The method of claim 1 wherein at least a portion of the pigment in the pigmented basecoating composition consists of metallic flakes.
Claim 15
Dependent Claim
9 words
The product produced by the method of claim 1.
Claim 16
Dependent Claim
9 words
The product produced by the method of claim 10.
Claim 17
Dependent Claim
9 words
The product produced by the method of claim 13.
Claim 18
Independent Claim
176 words
A method of coating a substrate comprising the steps of (a) coating a substrate with one or more applications of a pigmented basecoating composition containing a film-forming resin to form a basecoat; and before a substantial amount of drying or curing of said basecoat has occurred (b) coating said basecoat with one or more applications of a topcoating composition comprising and addition interpolymer derived from the reaction of a mixture of monomers, wherein the mixture of monomers consists essentially of: (i) from about 50 percent to about 95 percent of at least one ethylenically unsaturated silicon-free monomer, (ii) from about 5 percent to about 50 percent of a copolymerizable ethylenically unsaturated silane monomer selected from the group consisting of an alkoxy silane monomer, an acyloxy silane monomer, and a mixture thereof, and (iii) catalyst at a level of from about 0.1 parts to about 5 parts catalyst for each 100 parts of the addition interpolymer, to form a clear topcoat; wherein, after said steps (a) and (b), said basecoat and said topcoat dry or cure together.
Claim 19
Independent Claim
176 words
A method of coating a substrate comprising the steps of (a) coating a substrate with one or more applications of a pigmented basecoating composition containing a film-forming resin to form a basecoat; and before a substantial amount of drying or curing of said basecoat has occurred (b) coating said basecoat with one or more applications of a topcoating composition comprising and addition interpolymer derived from the reaction of a mixture of monomers, wherein the mixture of monomers consists essentially of: (i) from about 50 percent to about 95 percent of at least one ethylenically unsaturated silicon-free monomer, (ii) from about 5 percent to about 50 percent of a copolymerizable ethylenically unsaturated silane monomer selected from the group consisting of an alkoxy silane monomer, an acyloxy silane monomer, and a mixture thereof, and (iii) catalyst at a level of from about 0.1 parts to about 5 parts catalyst for each 100 parts of the addition interpolymer, to form a clear topcoat; wherein, after said steps (a) and (b), said basecoat and said topcoat dry or cure together.
Claim 20
Dependent Claim
18 words
The method of claim 17 wherein the ethylenically unsaturated silicon-free monomer is substantially devoid of active hydrogen atoms.
Claim 21
Dependent Claim
30 words
The method of claim 17 wherein the ethylenically unsaturated monomer (i) used in making the addition interpolymer is an alkyl acrylate, alkyl methacrylate, vinyl aromatic hydrocarbon or a mixture thereof.
Claim 22
Dependent Claim
23 words
The method of claim 19 wherein the alkyl acrylate and alkyl methacrylate contain from 1 to 12 carbon atoms in the alkyl group.
Claim 23
Dependent Claim
19 words
The method of claim 19 wherein the vinyl aromatic hydrocarbon is styrene, vinyl toluene, alpha-methylstyrene or a mixture thereof.
Claim 24
Dependent Claim
30 words
The method of claim 17 wherein the silane monomer used in making the addition interpolymer is an acrylatoalkoxysilane monomer having from 1 to 4 carbon atoms in the alkoxy group.
Claim 25
Dependent Claim
16 words
The method of claim 22 wherein the acrylatoalkysilane monomer is gamma-methacryloxypropyltrimethoxysilane, gamma-methacryloxypropyltriethoxysilane or a mixture thereof.
Claim 26
Dependent Claim
34 words
The method of claim 17 wherein the basecoating composition contains as a film-forming resin at least one resin selected from the group consisting of acrylics, aminoplasts, urethanes, cellulosics, polyesters, epoxies, and a mixture thereof.
Claim 27
Dependent Claim
26 words
The method of claim 17 wherein the basecoating composition and/or the clear topcoating composition comprises an additive for sag resistance and/or pigment orientation containing polymer microparticles.
Claim 28
Dependent Claim
47 words
The method of claim 24 wherein the mixture of monomers used in making the addition interpolymer consists essentially of from about 70 percent to about 90 percent of the ethylenically unsaturated silicon-free monomer (i) and from about 10 percent to about 30 percent of the compolymerizable acrylatoalkoxysilane.
Claim 29
Dependent Claim
29 words
The method of claim 17 wherein a mercaptoalkyl trialkoxysilane is used as a chain transfer agent in the reaction of the mixture of monomers to make the addition interpolymer.
Claim 30
Dependent Claim
22 words
The method of claim 17 wherein at least a portion of the pigment in the pigmented basecoating composition consists of metallic flakes.
Claim 31
Dependent Claim
9 words
The product produced by the method of claim 17.
Claim 32
Dependent Claim
9 words
The product produced by the method of claim 26.
Claim 33
Dependent Claim
9 words
The product produced by the method of claim 28.
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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) | 1988-02-12 | 1988-08-13 | 1989-02-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1992-02-12 | 1992-08-13 | 1993-02-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1996-02-12 | 1996-08-13 | 1997-02-12 | $7700.00 | Window Closed / Lapsed |