LITHOGRAPHIC PRINTING PLATE, METHOD FOR PROCESSING LITHOGRAPHIC PRINTING PLATE, AND METHOD FOR FORMING IMAGE

摘要

PROBLEM TO BE SOLVED: To provide a lithographic printing plate in which the adhesion property between a photopolymerizable layer and an oxygen barrier layer is increased and the sensitivity and the developing property can be increased against storage under the condition of high temperature or of high temperature and high humidity.

SOLUTION: The lithographic printing plate comprises a photopolymerizable layer containing a polymer binder, a polymerizable compound having an ethylenically unsaturated bond, and an iron arene compound; and an oxygen barrier layer containing a polymer having a vinyl alcohol unit, and a polymer having a vinylpyrrolidone unit.

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