| 摘要 |
PROBLEM TO BE SOLVED: To provide a direct drawing type waterless lithographic printing block original plate of good resistance to printing and high sensitivity provided with shallow printing area cells and good ink mileage. SOLUTION: In the direct drawing type waterless lithography formed of a base on which at least a heat-sensitive layer and a silicone rubber layer are laminated in the above order, any one out of a light and heat conversion substance, a compound having a bonding to be easily cut by heat, a compound cutting the crosslinking bonding between the silicone rubber layer and the heat- sensitive layer and a composition in which the crosslinking reaction is in progress by heat is contained in the heat-sensitive layer. |
