| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide a photosensitive lithographic printing plate material which is excellent in water development suitability and also in sensitivity, plate wear and inking properties of ink, and a platemaking method using the same, and to provide a lithographic printing material which is suitable for a so-called processless printing method, and a platemaking method using the same. <P>SOLUTION: This negative type photosensitive lithographic printing plate material comprising on a substrate a photosensitive layer containing a spectral sensitizer, a polymerization initiator, a polymerizable compound and a polymeric binder comprises as the polymeric binder a resin which has a polymerizable group and has at least one kind of skeleton out of a polyvinyl ether skeleton, a polyvinyl pyrrolidone skeleton and a polyvinyl caprolactam skeleton. <P>COPYRIGHT: (C)2006,JPO&NCIPI |
