| 摘要 |
A method of forming a coating film, involving the steps of: (i) forming an electrodeposition coat on a substrate; (ii) forming thereon an impact resistant primer coat formed of (A) a polyolefin resin grafted with an acid component and (B) a butylated melamine resin, wherein the weight ratio (A/B) of the polyolefin resin to the melamine resin is 90 to 50 parts by weight of the polyolefin resin:10 to 50 parts by weight of the melamine resin; (iii) forming an intermediate coat thereon; and (iv) forming a top coat thereon. A laminated coating film may be obtained by the method disclosed.
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