C - Chemistry – Metallurgy – 09 – D
Patent
C - Chemistry, Metallurgy
09
D
C09D 167/00 (2006.01) C09D 5/46 (2006.01) C09D 163/02 (2006.01) C09D 163/04 (2006.01) C25D 13/08 (2006.01)
Patent
CA 2584950
A powder primer composition comprising as essential components (A) a carboxyl group-containing thermosetting polyester resin, (B1) a bisphenol A-type epoxy resin with an epoxy equivalent of 400-2000 g/eq or (B2) a bisphenol--type epoxy resin with an epoxy equivalent of 400-2000 g/eq and (C1) a bisphenol F-type epoxy resin with an epoxy equivalent of 400-2000 g/eq or (C2) a modified epoxy resin containing phenolic hydroxyl groups, obtained by reacting (a) a bifunctional epoxy resin with (b) an excess of a bifunctional phenol. Coating films obtained using the powder primer composition have excellent finished appearance and corrosion resistance.
Kato Yoshinori
Kawamoto Yugen
Niimi Akinari
Kansai Paint Co. Ltd.
Ogilvy Renault Llp/s.e.n.c.r.l.,s.r.l.
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