Patent ID: 9604943
Date: 2017-03-28
CPC Classifications: B05D,C07D,C08G,C09D

Claim:
1. A UV absorber-comprising urethane acrylate of formula (I): wherein R Q is a linker of hydroxyalkyl (meth)acrylate selected from the group consisting of 2-hydroxyethyl (meth)acrylate, 2-hydroxypropyl (meth)acrylate, 4-hydroxybutyl (meth)acrylate, and 3-hydroxy-2,2-dimethylpropyl (meth)acrylate, T is a nucleus of an aliphatic or cycloaliphatic polyisocyanates T(NCO) m corresponds to the original average NCO functionality of the polyisocyanate used and is equal to or greater than 2, A represents an optionally substituted linear or branched linker from carbon, oxygen, nitrogen, sulfur, phosphorus and/or silicon in the chain, and x represents an average molar content of the bonded UV absorber radical and is less than m.