Radiation curable coating composition and a process for coating a substrate therewith.

摘要

A radiation curable coating comprising:
<UnorderedLists id="ula01" listStyle="none"><ListItem>A. an oligomer of Formula I:
<Chemistry id="chema01" num="0001"><Image id="ia01" he="16" wi="85" file="IMGA0001.TIF" imgContent="chem" imgFormat="TIFF" inline="no" /></Chemistry><UnorderedLists id="ula02" listStyle="none"><ListItem>wherein: R<Sup>1</Sup> is hydrogen or methyl;</ListItem><ListItem>Y is a divalent urethane residue;</ListItem></UnorderedLists></ListItem><ListItem>B. an acrylic ultra-violet light absorber of Formula IV:
<Chemistry id="chema02" num="0002"><Image id="ia02" he="39" wi="83" file="IMGA0002.TIF" imgContent="chem" imgFormat="TIFF" inline="no" /></Chemistry></ListItem></UnorderedLists>
wherein R<Sup>4</Sup> is alkyl or hydroxy alkylene. Preferably the coating composition contains a vinyl monomer copolymerizable with the oligomer. The process for curing the coating and laminates containing the coating are also disclosed.