DIRECT PATTERN FORMING ORIGINAL PLATE OF WATERLESS PLANOGRAPHIC PRINTING PLATE

摘要

PROBLEM TO BE SOLVED: To provide a direct pattern forming original plate of a waterless planographic printing plate developable with water only. SOLUTION: The direct pattern forming original plate of a waterless planographic printing plate has at least a heat sensitive layer and a silicone rubber layer in this order on a substrate and the contact angle of water to the silicone rubber layer is <=110 deg..