Patent ID: 8530510

Claim:
A polymerizable Norrish Type II photoinitiator according to Formula (I): wherein A represents a Norrish Type II initiator selected from the group consisting of an unsubstituted benzophenone and an optionally substituted thioxanthone; L 1 represents a divalent linking group selected from the group consisting of —O—CH 2 — and —O—CH(CH 3 ); n represents 0 or 1; m represents 0 or 1, with the proviso that n is equal to 0, when m is equal to 0; R1 is selected from the group consisting of a hydrogen, an optionally substituted alkyl group, an optionally substituted alkenyl group, an optionally substituted alkynyl group, an optionally substituted alkaryl group, an optionally substituted aralkyl group, an optionally substituted aryl group, an optionally substituted heteroaryl group, and an acyl group; R2 represents hydrogen or a methyl group; L 2 represents a divalent linking group selected from the group consisting of an unsubstituted saturated alkylene group, an unsubstituted unsaturated alkylene group, an unsubstituted arylene group, and a group represented by Formula (II): and R3 to R6 independently represent hydrogen or a methyl group; and p represents an integer from 1 to 10.