| abstract |
【Task】 Provided is a method of using a novel aqueous base coating material having good adhesion to both a base material and a top coating material in coating of a polyolefin resin molded article. [Solution] Carboxyl group containing chlorine content of 5 to 40% by weight, α, β-unsaturated polycarboxylic acid or anhydride modified amount of 1 to 5% by weight, weight average molecular weight of 50,000 to 300,000 A method for coating a polyolefin resin molded article, comprising using a chlorinated polypropylene random copolymer aqueous dispersion and an undercoat paint containing a crosslinking agent comprising an amino resin. [Selection figure] None |