PRINTING PLATE MATERIAL, METHOD FOR PRODUCING LITHOGRAPHIC PRINTING PLATE, AND LITHOGRAPHIC PRINTING PLATE

摘要

PROBLEM TO BE SOLVED: To provide a printing plate material which has excellent exposure image visibility and development image visibility, and with which a visible image is not changed by treatment after exposure.

SOLUTION: In the printing plate material in which the surface of a supporting body is provided with a thermosensitive image forming layer, the thermosensitive image forming layer comprises resin particles A having a particle diameter of 0.1 to 2.0 μm, and having foamability at the inside.

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