Patent ID: 7955655
Filing Date: 2011-06-07
Classification: B05D,C08G,C08K,C08L,C09D,Y10T

Abstract:
1. A thermosetting and photocurable coating composition for automobile bodies comprising: (A) at least one compound selected from the group consisting of urethane resins containing radical-polymerizable unsaturated groups, and acrylic resins containing radical-polymerizable unsaturated groups and hydroxyl groups; (B) a hydroxyl-containing polyester resin produced by esterifying a polybasic acid (a) with a polyhydric alcohol (b), the alicyclic polybasic acid (a1) is at least one compound selected from the group consisting of cyclohexane-1,3-dicarboxylic acid, cyclohexane-1,4-dicarboxylic acid, hexahydrophthalic acid, hexahydrotrimellitic acid, tetrahydrophthalic acid, methyl hexahydrophthalic acid; and anhydrides of these acids; and the alicyclic polyhydric alcohol (b1) is at least one compound selected from the group consisting of cyclohexane-1,4-dimethylol, hydrogenated bisphenol-A, spiroglycol, and dihydroxymethyltricyclodecane; (C) a crosslinking agent; and (D) a photopolymerization initiator.