| 摘要 |
PROBLEM TO BE SOLVED: To provide an original plate for a direct drawing type waterless lithographic printing plate which has a high degree of sensitivity and high flaw and printing resistance. SOLUTION: In the original plate for a direct drawing type waterless lithographic printing plate wherein at least a heat-sensitive layer and a silicone rubber layer are stacked on a base plate, the heat-sensitive layer contains (A) photothermal conversion substances, (B) organic metal compounds, (C) compounds containing active hydrogen, as indispensable components, wherein these are crosslinked where necessary, and the silicone rubber layer contains (a) polysiloxane containing alkenyl groups, (b) hydrogen organosiloxane, (c) silane coupling agent having unsaturated groups, as indispensable components, wherein these are crosslinked where necessary. |
