METHOD FOR MANUFACTURING LIQUID PHOTOSENSITIVE RESIN RELIEF PRINTING PLATE

摘要

PROBLEM TO BE SOLVED: To provide a plate making method for obtaining a relief printing plate which achieves a quality level comparable to that of a plate obtained by an aqueous surfactant solution developing system with a large development latitude, without leaving a mark of cutting in a plate surface or scooping out a hole in the skirt of a relief, in a method for manufacturing a liquid photosensitive resin printing plate using a high pressure water developing system.

SOLUTION: In the plate making method, a liquid photosensitive resin composition having a specified resin viscosity, a specified hardness of a body cured by a photoreaction and a specified photocuring property is used when a high pressure water developing system with a water pressure of 1-20 MPa is used.

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