C - Chemistry – Metallurgy – 09 – D
Patent
C - Chemistry, Metallurgy
09
D
C09D 175/06 (2006.01) B05D 7/16 (2006.01) C08G 18/42 (2006.01) C08G 18/58 (2006.01) C08G 18/62 (2006.01) C08G 18/79 (2006.01) C09D 5/02 (2006.01) C09D 5/46 (2006.01)
Patent
CA 2302458
The present invention is directed to a powder paint composition that can form a coating film having high corrosion resistance and excellent appearance even on a metal substrate surface containing non-flat portions and a process for forming multi-layer coats excellent both in corrosion resistance and top-coat adhesion using the powder paint composition. The powder paint composition comprises a) 30-55 parts by weight of a polyester resin having a hydroxyl value of 50-150, b) 1-20 parts by weight of a hydroxyl group-containing acrylic resin having a hydroxyl value of 30-150, c) 1-15 parts by weight of an epoxy resin, and d) 10-30 parts by weight of a urethodione ring-containing compound, based on 100 parts by weight of solid contents in the powder paint composition, the powder paint composition having an average particle size of 5-40 µm.
Seo Shinji
Sudo Norihiko
Uemura Kazuyoshi
Yamaguchi Masayuki
Yamashita Yukihide
Honda Giken Kogyo Kabushiki Kaisha
Kirby Eades Gale Baker
Nippon Paint Co. Ltd.
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