Coating system containing UV curable urethane (meth)acrylates having isocyanate groups and urethane (meth)acrylates having hydroxy groups

摘要

Coating system comprises: (a) a urethane (meth)acrylate having (methyl)acryloyl groups and free isocyanate groups; (b) a urethane (meth)acrylate having (methyl)acryloyl groups and free hydroxy groups; (c) an ultraviolet (UV) initiator for radical polymerization; and optionally (d) one or more isocyanate-reactive compounds.