| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide a polyisocyanate-containing coating used as scratch-resistant top coat material, especially a top coat material for automobiles. <P>SOLUTION: This coating composition comprising (A) a polyol component comprising (a) 1 to 50 pts.wt. of an aliphatic oligocarbonate polyol having a number-average mol.wt. M<SB>n</SB>of 200 to 5,000 g/mol and (b) 50 to 99 wt.% of a hydroxy functional polyacrylate polyol, and (B) one or more OH reactive (poly)isocyanate cross-linking agent having an average NCO functional value of ≥2.0. <P>COPYRIGHT: (C)2007,JPO&INPIT |
