Patent ID: 8507726
Filing Date: 2013-08-13
Classification: B33Y,C07D,C08F,G03F

Abstract:
1. Photoinitiator mixture comprising (i) at least one compound selected from the group consisting of alpha-hydroxy ketones, monoacylphosphine oxides, bisacylphosphine oxides, ketosulfones, benzil ketals, benzoin ether, phenylglyoxylates, borates and titanocenes; and (ii) at least one compound of the formula (I) and (I′) wherein R R R R R phenyl and/or by phenyl which is substituted by OR  or C or are C R R R R R or are diphenyl phosphinoyl or di-(C R m is 1 or 2; Ar or each of which is substituted by C M M M M X is O, S or NR X X  phenyl or by phenyl substituted by halogen, C R R R R R R n is 1-20; R R R R R R R R  or by C R  halogen, NO R″ R″ R R R R R R R R R R R R R R or R R R or R R or R R  or phenyl; or R  or phenyl; or R or R or R or R or R or R  is attached, wherein said formed ring is unsubstituted or substituted; R R