| 摘要 |
<p>A multi-component composite coating composition comprising an aqueous-based film-forming composition serving as a color coat or a basecoat and a polyepoxide-polyacid clearcoat is disclosed. The polyacid is made from ring opening a polybasic anhydride with a polyester polyol formed from reacting a polyol with a polycarboxylic acid having at least 20 contiguous carbon atoms between the carboxylic acid groups.</p> |
