RADIATION CURABLE COATING COMPOSITION COMPRISING AN ACRYL URETHANE OLIGOMER, AND AN ULTRA-VIOLET ABSORBER

摘要

A radiation curable coating comprising: A. An oligomer of Formula I: <CHEM> wherein: R<1> is hydrogen or methyl; Y is a divalent urethane residue; B. A benzylidene acid ester of Formula IV: <CHEM> wherein R<4> is independently alkyl or hydroxy alkylene. Preferably the coating composition contains a vinyl monomer copolymerizable with the oligomer. The process for curing the coating is also disclosed.