WATER-BASED COATING LIQUID, PHOTOSENSITIVE PLANOGRAPHIC PRINTING PLATE MATERIAL AND METHOD FOR PRODUCING THE SAME

摘要

PROBLEM TO BE SOLVED: To provide a photosensitive planographic printing plate material excellent in the adhesiveness of a photopolymerizable layer to the support, capable of ensuring both printing resistance and improvement in stain of a non-printing area and capable of providing a high resolution planographic printing plate and to provide a method for producing the same.

SOLUTION: In the method for producing a photosensitive planographic printing plate material having on a support an intermediate layer and a photopolymerizable layer containing a compound having an ethylenic addition- polymerizable group and a compound which generates a radical under an actinic ray, the intermediate layer is formed by carrying out heat treatment at a maximum plate surface temperature of 105-250°C when formed by coating.

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