Oligocarbonate-containing coating compositions for...

Details Oligocarbonate-containing coating compositions for... Oligocarbonate-containing coating compositions for...

C - Chemistry, Metallurgy

09

D

C09D 133/14 (2006.01)

Patent

CA 2549702

Coating compositions comprising polyisocyanates, aliphatic oligocarbonate polyols and polyacrylate polyols are provided. The compositions comprise A) a polyol component composed of a) 1% to 50% by weight of aliphatic oligocarbonate polyols having a number-average molecular weight M n of 200 to 5000 g/mol and b) 50% to 99% by weight of hydroxy-functional polyacrylate polyols; and B) one or more OH-reactive (poly)isocyanate crosslinkers having an average NCO functionality of >= 2Ø A process for preparing the coatings are also provided.

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