Aqueous coating system based on UV-curing isocyanate group-containing urethane (meth) acrylic isocyanates

摘要

Composition comprises: (a) urethane (meth)acrylate, with (meth)acryloyl and optionally free isocyanate groups; (b) optionally a further polyisocyanate; (c) a radical polymerisation UV initiator; and (d) an aqueous binder containing active hydrogen. An Independent claim is also included for an urethane (meth)acrylate.