Patent ID: 7745505

Claim:
A photoinitiator having the structural formula where Z is S, O, CH 2 , or NH, R 1-8 are independently H, Cl, Br, I, F, C 1-24 alkoxy, C 1-24 alkyl, or aryl; and wherein at least one of R 1-8 must comprise a —W—X—Y group, where W is a C 1-12 oxyalkylene, X comprises tetramethyldisiloxane, and Y is —R 9 —C(R 10 )═CH 2 , where R 9 is a linear or branched C 2-10 alkylene or C 2-10 oxyalkylene, or arylene or derivative thereof, and R 10 is H or CH 3 .