Patent ID: 8101332
Filing Date: 2012-01-24
Classification: B41C,Y10S

Abstract:
1. A negative-working lithographic printing plate precursor comprising on a hydrophilic support a photopolymerizable layer that contains a polymer compound that has an ethylenically unsaturated bond in the side chain position, a hydrophilic group and a cyclic structure derived from a maleimide, wherein said hydrophilic group comprises an alkylene oxide structure represented by the following general formula (II): wherein in the formula (II), R represents a hydrogen atom or methyl group; a is 1, 3, or 5; and l is an integer of 2 to 9, and said ethylenically unsaturated bond is represented by the following formula (1): wherein in the formula (1), X represents an oxygen atom, sulfur atom, or —N(R 12 )—; and R 1 to R 3 , and R 12 each independently represent a monovalent substituent.