DEVELOPMENT PROCESS LIQUID AND DEVELOPMENT METHOD FOR LITHOGRAPHIC PRINTING PLATE

摘要

PROBLEM TO BE SOLVED: To provide a development process liquid and a process method for a photosensitive lithographic printing plate which prevent print contamination and achieve stable development even when a running process is carried out for a long period of time with a smaller replenishing amount with the use of an automatic developing machine.

SOLUTION: The development process liquid is to be used for a photosensitive lithographic printing plate having at least one photopolymerizable photosensitive layer containing a polymer having a polymerizable double bond in a side chain and having a carboxyl group on a support, and the liquid contains a compound selected from amino acid and its derivatives.

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