Patent ID: 8663874

Claim:
A hardcoat composition comprising: (a) one or more epoxy silane compounds, (b) one or more epoxy-functionalized perfluoropolyether acrylate oligomers, having the following general structure: (M ep ) a (M h ) b (M HFPO ) c G wherein: M ep is a radical from acrylate or methacrylate monomer with a curable epoxy group; M HFPO is a radical from perfluoropolyether-containing acrylate or methacrylate monomer; M h is a radical from one or more hydrocarbon acrylate monomers; G is a radical from a chain transfer agent; a is at least 1; b is 0 to 20; and c is at least 1, and (c) photo-acid generator.