Patent ID: 8632937
Filing Date: 2014-01-21
Classification: C08F,G03F,Y10T

Abstract:
1. Lithographic printing plate precursor comprising (a) a lithographic substrate with a hydrophilic surface and (b) a radiation-sensitive coating on the hydrophilic surface comprising characterized in that the at least one sensitizer comprises a compound of formula (Ia) or (Ib): wherein R R R R n is selected from 0, 1 and 2; Z represents O, S, Se or NR, wherein R is selected from the group consisting of hydrogen, alkyl, aryl, aralkyl and alkylaryl; R provided that at least one of the groups R each dotted line in Formula 1a represents an optionally present fused benzene ring; each R′ is independently selected from halogen, alkyl, alkoxy, CN, NO each R″ is independently selected from hydrogen, alkyl and aryl; and m is 0 or an integer from 1 to 4; and wherein: R R R