US4812337A
Expired / Lapsed
US
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Metallic coating method
Assignee: Kansai Paint Co Ltd
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Filing: 1987-11-18
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Granted: 1989-03-14
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Expires: 2007-11-18
Abstract
Abstract Disclosed is a coating method for forming a metallic coat, comprising the steps of applying to a substrate a base coating composition containing a metallic pigment and applying a clear top coating composition to the coated surface, the method being characterized in that the clear top coating composition is a curable one comprising as a main component a nonaqueous dispersion of a polymer of a radically polymerizable monomer, said dispersion containing as a dispersion stabilizer a fluorine-containing copolymer comprising a hydroxyl group-containing monomer and a perfluoroalkyl group-containing acrylic or methacrylic monomer represented by the following formula (1) ##STR1## wherein R is a hydrogen atom or a methyl group, n is an integer of 1 to 11 and R f is a straight chain or branched chain perfluoroalkyl group having 1 to 21 carbon atoms.
Inventors
- 👤 You Sugimura
- 👤 Nobushige Numa
- 👤 Tadashi Watanabe
- 👤 Yutaka Sugiyama
- 👤 Kazuhiko Ohira
- 👤 Sachio Yamaguchi
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 10:33
CPC Classifications
B; B05; B05D; B05D7/00; B05D7/50; B05D7/52; B05D7/53; B05D7/532; B05D5/00; B05D5/06; B05D5/067; B05D5/068; C; C09; C09D; C09D133/00; C09D133/04; C09D133/14; C09D133/16
Claims Analysis
Total Claims: 7
Claim 1
Independent Claim
185 words
A metallic coating method for forming a metallic coat, comprising the steps of: (1) applying to a substrate a base coating composition containing a metallic pigment; and (2) applying a clear top coating composition on top of the base coating composition, said clear top coating composition being a curable composition consisting essentially of a non-aqueous dispersion of particlels of a polymer of a radically polymerizable monomer, said particles being dispersed in a nonaqueous medium which consists essentially of a solution of a dispersion stabilizer in a non-aqueous solvent, wherein said dispersion stabilizer is a fluorine-cotaining copolymer containing 5-40 percent by weight of a hydroxyl group-containing monomer and 1-80 percent by weight of a perfluoroalkyl group-containing acrylic or methacrylic monomer represented by the formula (1) ##STR3## wherein R is a hdyrogen atom or a methyl group, n is an integer of 1 to 11, and R f is a straight chain or branched chain perofluoroalkyl group having 1-21 carbon atoms, wherein the amount of the dispersion stabilizer is 5-80 percent by weight, based on the combined amount of the radically polymerizable monomer and the dispersion stabilizer.
Claim 2
Dependent Claim
185 words
A metallic coating method for forming a metallic coat, comprising the steps of: (1) applying to a substrate a base coating composition containing a metallic pigment; and (2) applying a clear top coating composition on top of the base coating composition, said clear top coating composition being a curable composition consisting essentially of a non-aqueous dispersion of particlels of a polymer of a radically polymerizable monomer, said particles being dispersed in a nonaqueous medium which consists essentially of a solution of a dispersion stabilizer in a non-aqueous solvent, wherein said dispersion stabilizer is a fluorine-cotaining copolymer containing 5-40 percent by weight of a hydroxyl group-containing monomer and 1-80 percent by weight of a perfluoroalkyl group-containing acrylic or methacrylic monomer represented by the formula (1) ##STR3## wherein R is a hdyrogen atom or a methyl group, n is an integer of 1 to 11, and R f is a straight chain or branched chain perofluoroalkyl group having 1-21 carbon atoms, wherein the amount of the dispersion stabilizer is 5-80 percent by weight, based on the combined amount of the radically polymerizable monomer and the dispersion stabilizer.
Claim 3
Dependent Claim
51 words
A metallic coating method according to claim 1 wherein the metallic pigment-containing base coating composition is applied to a substrate, then a clear top coating composition is applied to the coated surface, and the coated substrate is heated to cure the base coat and the top coat at the same time.
Claim 4
Dependent Claim
29 words
A metallic coating method according to claim 1 wherein the metallic pigment-containing base coating composition is an organic solvent solution-based, nonaqueous dispersion-based, aqueous solution-based, or aqueous dispersion-based coating composition.
Claim 5
Dependent Claim
50 words
A metallic coating method according to claim 1 wherein the perfluoroalkyl group-containing acrylic or methacrylic monomer of the formula (1) is a monomer wherein n is an integer of 1 to 4 and R f is a straight chain or branched chain perfluoroalkyl group having 1 to 10 carbon atoms.
Claim 6
Dependent Claim
40 words
A metallic coating method according to claim 1 wherein the perfluoroalkyl group-containing acrylic or methacrylic monomer of the formula (1) is at least one monomer selected from the group consisting of perfluoromethylmethyl acrylate, perfluoroisononylmethyl methacrylate, 2-perfluorooctylethyl acrylate and 2-perfluorooctylethyl methacrylate.
Claim 7
Dependent Claim
22 words
A metallic coating method according to claim 1 wherein the hydroxyl group-containing monomer is C 2 -C 8 hydroxyalkyl acrylate or methacrylate.
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) | 1992-03-13 | 1992-09-12 | 1993-03-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1996-03-13 | 1996-09-12 | 1997-03-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 2000-03-13 | 2000-09-12 | 2001-03-14 | $7700.00 | Window Closed / Lapsed |