To provide a water-based coating composition excellent in adhesion with a surface to be coated and suitable for forming a flexible and tough coating film that can follow changes, etc., that may be caused with the passage of time even under low temperature environment, and to provide a method of coating using the same.
The water-based coating composition comprises a copolymer water-dispersion (A) and a pigment (B), wherein the copolymer water-dispersion (A) comprises an acrylate (a) containing a 1-6C straight or branched alkyl group and a carbonyl group-containing polymerizable unsaturated monomer (b) as copolymer components, the copolymerization rate of the acrylate (a) is ≥50 mass%, and a volume density of the pigment is in a 15-60% range in the composition.
COPYRIGHT: (C)2008,JPO&INPIT
SANO MAKOTO
SUZUKI KENYA
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