DIRECT DRAWING TYPE LITHOGRAPHIC PRINTING PLATE MATERIAL AND ITS MANUFACTURE

摘要

PROBLEM TO BE SOLVED: To provide a direct drawing type lithographic printing plate material of superior bondability between a substrate and an image forming layer. SOLUTION: A direct drawing type lithographic printing plate material is provided with an undercoating layer and an image forming layer laminated successively on a substrate, and the undercoating layer is bonded with the image forming layer by the urethane bond, and a mat agent is contained in the undercoating layer.