| 摘要 |
<p>A powder coating essentially comprising a mixture, which is solid below 30 DEG C and liquid above 120 DEG C, of A) a polyisocyanate component comprising an epsilon -caprolactam-blocked product of the reaction of 4,4'-diisocyanatodicyclohexylmethane with a sub-stoichiometric amount of a polyol component, B) a polyol component comprising at least one polyhydroxy polyacrylate having an OH number in the range from 80 to 120, C) at least one organotin compound as catalyst, and optionally D) assistants and additives known from powder coating technology, and the use of the powder coating for coating heat-resistant substrates of all types, in particular as a clear coat for automobiles.</p> |
