| 摘要 |
PROBLEM TO BE SOLVED: To provide a coating composition soluble in an aliphatic hydrocarbon solvent and high-boiling point aromatic hydrocarbon solvent, and capable of forming an undercoating film having high impact resistance and finger touch dryability without causing curing disturbance of the topcoating film. SOLUTION: The coating composition essentially comprises (I) at least one modified epoxy resin selected from (d-1) a modified epoxy resin obtained by reaction of (a) an epoxy resin having in one molecule at least two epoxy groups with (b) a dibasic acid and (c-1) a carboxyl-functional acrylic resin and (d-2) the modified epoxy resin obtained by polyaddition of (b) the dibasic acid to (a) the epoxy resin and graft copolymerization of (c-2) a polymerizable unsaturated monomer, (II) a curing agent for said modified epoxy resin, and (III) an organic solvent which contains≥80 wt.% of a hydrocarbon solvent selected from the aliphatic hydrocarbon solvents and the high-boiling point aromatic hydrocarbon solvents. COPYRIGHT: (C)2003,JPO
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