| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide a photosensitive planographic printing plate which is excellent in reproducibility of a tone without loss of sensitivity. <P>SOLUTION: The photosensitive planographic printing plate has a photosensitive layer and a protective layer in this order on a hydrophilic support. The photosensitive layer contains a compound having an ethylenic unsaturated double bond and a polymer binder, and the protective layer contains a compound having a sulfonate or a sulfate ester salt in an amount of 0.5-10 mass% in terms of solid content of the protective layer. <P>COPYRIGHT: (C)2007,JPO&INPIT |
