| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide a planographic printing original plate excellent in hydrophilicity and its retention property of a non-image portion and plate wear owing to adhesiveness between an image portion and a support, regardless of the raw material of the support substrate. <P>SOLUTION: The planographic printing original plate has a hydrophilic layer and an image forming layer, in this order on a support, the hydrophilic layer comprising chemically bonded polymers having at least one kind of reactive group in reactive groups capable of forming direct chemical bonds to the support surface and reactive groups capable of forming chemical bonds through a structural component having a crosslinking structure with the support surface, and containing a structural unit (i) and a structural unit (ii) in general formula (1). <P>COPYRIGHT: (C)2008,JPO&INPIT |
