C - Chemistry – Metallurgy – 25 – D
Patent
C - Chemistry, Metallurgy
25
D
204/97.04
C25D 15/00 (2006.01) B05D 5/06 (2006.01) B05D 7/00 (2006.01) C09D 5/38 (2006.01) C09D 133/06 (2006.01) B05D 1/00 (2006.01) C08L 33/06 (2006.01)
Patent
CA 1076064
ABSTRACT OF THE DISCLOSURE A process for forming a coating having a metallic-finish, which . comprises (I) coating an undercoat paint (A) by electrodeposition on an article to be coated, (II) coating a water-thinnable intermediate coat paint (B) con- taining metallic scales on the coated surface of the undercoat before the undercoat is baked, (III) baking the undercoat and the intermediate coat, (IV) coating a powdery top coat paint (C) on the baked surface of the intermediate coat, and then (V) baking the top coat, said intermediate coat paint (B) con- taining a solid resin component, at least 60% by weight of the entire resin solids consisting of a (meth)acrylate ester copolymer containing at least 0.1 equivalent, per 1,000 g of the solids content of the copolymer, of carboxyl or carboxyl ion groups and having a number average molecular weight of at least 3,000, and said top coat paint (C) containing a (meth)acrylate ester copolymer containing a glycidyl or .beta.-methylglycidyl group and a polycarboxylic acid. By this process metallic-finish coatings of superior quality and vividness which are easier to repair than known coatings are obtained.
268102
Ishikawa Koji
Kobayashi Nobuki
Okita Yasuo
Ozawa Hiroshi
Torii Yoshinori
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