US4413036A
Expired / Lapsed
US
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Two-layer metal-effect coating and a process for its production
Assignee: BASF Farben und Fasern AG
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Filing: 1981-10-29
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Granted: 1983-11-01
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Expires: 2001-10-29
Abstract
Abstract A two-layer metal-effect coating, composed of a base layer which contains metal pigments and of a clear top coating, at least the base layer being obtained from a coating agent which contains as the film-forming binder a polymer resin which was obtained by copolymerizing olefinically unsaturated compounds, wherein the polymer resin is obtained by copolymerizing (a) 1.0 to 50.0% by weight of acrylonitrile, methacrylonitrile or a mixture thereof (b) 0.1 to 10.0% by weight of a compound having 2 or more polymerizable olefinic double bonds; (c) 40.0 to 98.9% by weight of other copolymerizable compounds, and (d) up to 5% by weight cellulose ester; with the total amount of the components a, b, c and d being 100% by weight.
Inventors
- 👤 Hermann-Josef Drexler
- 👤 Ulrich Poth
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 23:20
CPC Classifications
B; B05; B05D; B05D7/00; B05D7/50; B05D7/52; B05D7/53; B05D7/532; B05D5/00; B05D5/06; B05D5/067; B05D5/068; B05D7/56; B05D7/57; B05D7/577; C; C09; C09D; C09D133/00; C09D133/18; C09D133/20; C09D5/00; C09D5/38; Y; Y10; Y10T; Y10T428/00; Y10T428/31504; Y10T428/31678; Y10T428/31681; Y10T428/31692; Y10T428/31699; Y10T428/31855; Y10T428/31909; Y10T428/31924; Y10T428/31928; Y10T428/31931; Y10T428/31938
Claims Analysis
Total Claims: 31
Claim 1
Independent Claim
135 words
In an article having a substrate and a two-layer metal-effect coating adhered thereto, said coating comprising a base layer which contains metal pigments and a clear top coating, the improvement comprising at least said base layer obtained from a coating composition containing as a film-forming binder a polymer resin obtained by a copolymerizing olefinically unsaturated compounds wherein said polymer resin is a copolymerization product of: (a) 1.0 to 50.0% by weight of acrylonitrile, methacrylonitrile, or a mixture thereof; (b) 0.1 to 10.0% by weight of a compound having 2 or more polymerizable olefinic double bonds; and (c) 40.0 to 98.9% by weight of other copolymerizable compounds; and admixed to the composition (d) up to 5% by weight cellulose ester, with the total amount of the components (a), (b), (c), and (d) being 100% by weight.
Claim 2
Dependent Claim
135 words
In an article having a substrate and a two-layer metal-effect coating adhered thereto, said coating comprising a base layer which contains metal pigments and a clear top coating, the improvement comprising at least said base layer obtained from a coating composition containing as a film-forming binder a polymer resin obtained by a copolymerizing olefinically unsaturated compounds wherein said polymer resin is a copolymerization product of: (a) 1.0 to 50.0% by weight of acrylonitrile, methacrylonitrile, or a mixture thereof; (b) 0.1 to 10.0% by weight of a compound having 2 or more polymerizable olefinic double bonds; and (c) 40.0 to 98.9% by weight of other copolymerizable compounds; and admixed to the composition (d) up to 5% by weight cellulose ester, with the total amount of the components (a), (b), (c), and (d) being 100% by weight.
Claim 3
Dependent Claim
42 words
The article of claim 1, wherein said clear top coat is obtained from a second coating composition selected from the group consisting of alkyd resins, saturated polyesters, polyacrylate resins which contain hydroxyl groups, or mixtures thereof which are cross-linked with amino acids.
Claim 4
Dependent Claim
69 words
The article of claim 2, wherein said polymer resin is a copolymerization product of: (a) 3.0 to 30.0% by weight of acrylonitrile, methacrylonitrile, or mixtures thereof; (b) 1.0 to 7.0% by weight of a compound having 2 or more polymerizable olefinic double bonds; and (c) 63.0 to 96.0% by weight of other copolymerizable compounds, with the total amount of the components (a), (b), and (c) being 100% by weight.
Claim 5
Dependent Claim
25 words
The article of claim 3, wherein component (b) is selected from the group consisting of diacrylates, triacrylates and tetraacrylates of 2-, 3-, and 4-hydric alcohols.
Claim 6
Dependent Claim
40 words
The article of claim 4, wherein component (c) is selected from the group consisting of acrylic acid, methacrylic acid, crotonic acid, esters of these acids, amides of these acids and their methylol derivatives, styrene and other compounds containing vinyl groups.
Claim 7
Dependent Claim
12 words
The article of claim 2, wherein said cellulose ester is cellulose acetobutyrate.
Claim 8
Dependent Claim
13 words
The article of claim 2, wherein said polymer resin contains cross-linkable hydroxyl groups.
Claim 9
Dependent Claim
19 words
The article of claim 7, wherein said coating composition also contains a cross-linking agent which cross-links the hydroxyl groups.
Claim 10
Dependent Claim
28 words
The article of claim 8, wherein said cross-linking agent is selected from the group consisting of an aminoplast resin, a blocked polyisocyanate, a phenoplast resin, and mixtures thereof.
Claim 11
Dependent Claim
142 words
In a process for the production of an article having a substrate and a two-layer metal-effect coating adhered thereto comprising applying to said substrate a first coating composition containing metal pigments and a second clear coating composition over said first coating composition and stoving to produce said article, the improvement comprising said first coating composition prepared by copolymerizing: (a) 1.0 to 50.0% by weight of acrylonitrile, methacrylonitrile, or a mixture thereof; (b) 0.1 to 10.0% by weight of a compound having 2 or more polymerizable olefinic double bonds; and (c) 40.0 to 98.9% by weight of other copolymerizable compounds; and admixed to the composition (d) up to 5% by weight cellulose ester; with the total amount of the components (a), (b), (c), and (d) being 100% by weight; and dispersing a polymer resin thus obtained together with metal pigments and organic solvents.
Claim 12
Dependent Claim
142 words
In a process for the production of an article having a substrate and a two-layer metal-effect coating adhered thereto comprising applying to said substrate a first coating composition containing metal pigments and a second clear coating composition over said first coating composition and stoving to produce said article, the improvement comprising said first coating composition prepared by copolymerizing: (a) 1.0 to 50.0% by weight of acrylonitrile, methacrylonitrile, or a mixture thereof; (b) 0.1 to 10.0% by weight of a compound having 2 or more polymerizable olefinic double bonds; and (c) 40.0 to 98.9% by weight of other copolymerizable compounds; and admixed to the composition (d) up to 5% by weight cellulose ester; with the total amount of the components (a), (b), (c), and (d) being 100% by weight; and dispersing a polymer resin thus obtained together with metal pigments and organic solvents.
Claim 13
Dependent Claim
36 words
The process of claim 10, wherein said second coating composition is selected from the group consisting of alkyd resins, saturated polyesters, polyacrylate resins which contain hydroxyl groups, or mixtures thereof which are cross-linked with amino acids.
Claim 14
Dependent Claim
70 words
The process of claim 11, wherein said first coating composition is prepared by copolymerizing; (a) 3.0 to 30.0% by weight of acrylonitrile, methacrylonitrile, or a mixture thereof; (b) 1.0 to 7.0% by weight of a compound having 2 or more polymerizable olefinic double bonds; and (c) 63.0 to 96.0% by weight of other copolymerizable compounds, with the total amount of the components (a), (b), and (c) being 100% by weight.
Claim 15
Dependent Claim
25 words
The process of claim 12, wherein component (b) is selected from the group consisting of diacrylates, triacrylates and tetraacrylates of 2-, 3-, and 4-hydric alcohols.
Claim 16
Dependent Claim
40 words
The process of claim 13, wherein component (c) is selected from the group consisting of acrylic acid, methacrylic acid, crotonic acid, esters of these acids, amides of these acids and their methylol derivatives, styrene and other compounds containing vinyl groups.
Claim 17
Dependent Claim
12 words
The process of claim 11, wherein said cellulose ester is cellulose acetobutyrate.
Claim 18
Dependent Claim
20 words
The process of claim 15, wherein a copolymerization product of components (a), (b), (c), and (d) contains cross-linkable hydroxyl groups.
Claim 19
Dependent Claim
20 words
The process of claim 16, wherein said first coating composition also contains a cross-linking agent which cross-links the hydroxyl groups.
Claim 20
Dependent Claim
23 words
The process of claim 17, wherein said cross-linking agent is an aminoplast resin, a blocked polyisocyanate, a phenoplast resin or a mixture thereof.
Claim 21
Dependent Claim
15 words
The process of claim 18, further comprising adding a polyisocyanate to said first coating composition.
Claim 22
Dependent Claim
24 words
The process of claim 11, wherein said second coating composition is applied wet-on-wet to said first coating composition and both compositions are stoved simultaneously.
Claim 23
Dependent Claim
121 words
In a coating composition containing as the film-forming binder a polymer resin which was obtained by copolymerizing olefinically unsaturated compounds, for the base layer on a substrate of a two-layer metal-effect coating which has a clear top coating as the top finish, wherein said polymer resin is a copolymerization product of: (a) 1.0 to 50.0% by weight of acrylonitrile, methacrylonitrile, or a mixture thereof; (b) 0.1 to 10.0% by weight of a compound having 2 or more polymerizable olefinic double bonds; and (c) 40.0 to 98.9% by weight of other copolymerizable compounds; and admixed to the composition (d) up to 5% by weight cellulose ester; with the total amount of the components (a), (b), (c), and (d) being 100% by weight.
Claim 24
Dependent Claim
121 words
In a coating composition containing as the film-forming binder a polymer resin which was obtained by copolymerizing olefinically unsaturated compounds, for the base layer on a substrate of a two-layer metal-effect coating which has a clear top coating as the top finish, wherein said polymer resin is a copolymerization product of: (a) 1.0 to 50.0% by weight of acrylonitrile, methacrylonitrile, or a mixture thereof; (b) 0.1 to 10.0% by weight of a compound having 2 or more polymerizable olefinic double bonds; and (c) 40.0 to 98.9% by weight of other copolymerizable compounds; and admixed to the composition (d) up to 5% by weight cellulose ester; with the total amount of the components (a), (b), (c), and (d) being 100% by weight.
Claim 25
Dependent Claim
70 words
The composition of claim 21, wherein said polymer resin is a copolymerization product of: (a) 3.0 to 30.0% by weight of acrylonitrile, methacrylonitrile, or a mixture thereof; (b) 1.0 to 7.0% by weight of a compound having 2 or more polymerizable olefinic double bonds; and (c) 63.0 to 96.0% by weight of other copolymerizable compounds, with the total amount of the components (a), (b), and (c) being 100% by weight.
Claim 26
Dependent Claim
25 words
The composition of claim 22, wherein component (b) is selected from the group consisting of diacrylates, triacrylates and tetraacrylates of 2-, 3-, and 4-hydric alcohols.
Claim 27
Dependent Claim
40 words
The composition of claim 23, wherein component (c) is selected from the group consisting of acrylic acid, methacrylic acid, crotonic acid, esters of these acids, amides of these acids and their methylol derivatives, styrene and other compounds containing vinyl groups.
Claim 28
Dependent Claim
12 words
The composition of claim 21, wherein said cellulose ester is cellulose acetobutyrate.
Claim 29
Dependent Claim
13 words
The composition of claim 25, wherein said polymer resin contains cross-linkable hydroxyl groups.
Claim 30
Dependent Claim
18 words
The composition of claim 26, wherein said composition also contains a cross-linking agent which cross-links said hydroxyl groups.
Claim 31
Dependent Claim
28 words
The composition of claim 27, wherein said cross-linking agent is selected from the group consisting of an aminoplast resin, a blocked polyisocyanate, a phenoplast resin, and mixtures thereof.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1986-10-31 | 1987-05-02 | 1987-11-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1990-10-31 | 1991-05-02 | 1991-11-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1994-10-31 | 1995-05-02 | 1995-11-01 | $7700.00 | Window Closed / Lapsed |