Patent ID: 8187791
Filing Date: 2012-05-29
Classification: B41C,Y10S

Abstract:
1. A lithographic printing plate precursor comprising: a support; and an image-recording layer comprising (A) an infrared absorbing agent, (B) a radical polymerization initiator, (C) a polymerizable compound and (D) an epoxy compound having a molecular weight of 1,000 or less, and wherein the epoxy compound having a molecular weight of 1,000 or less is represented by the following formula (2): wherein at least one of R 1 , R 2 and R 3 represents a group containing an epoxy group, and the remainder of R 1 , R 2 and R 3 which does not contain an epoxy group represents a hydrogen atom, an alkyl group or alkenyl group having from 1 to 10 carbon atoms which may have a substituent, and wherein the radical polymerization initiator is a sulfonium salt or an iodonium salt.