Patent ID: 8283405
Filing Date: 2012-10-09
Classification: C08F,C08L,C09D

Abstract:
1. A water-based paint composition consisting essentially of water-dispersible acrylic polymer particles (A), a reactive group-containing acrylic resin (B) and optionally a curing agent (C), wherein the water-dispersible acrylic polymer particles (A) have a weight-average molecular weight of at least 1,100,000 and an absorbance in a liquid dispersion at a mass concentration of 1.35% in 1,4-dioxane solvent of not higher than 0.2 at a wavelength of 330 nm as measured with a spectrophotometer, and the water-dispersible acrylic polymer particles (A) are obtained by emulsion polymerization of polymerizable unsaturated monomers with an azo compound as a radical polymerization initiator, and wherein the reactive group-containing acrylic resin (B) has a weight-average molecular weight of 1,000-200,000.