| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide a method for manufacturing a positive lithographic printing plate adaptable to infrared lasers and which is superior in both chemical resistance and printing durability after burning. <P>SOLUTION: A lithographic printing plate original plate, obtained by disposing on a support a photosensitive layer containing (A) a resin having a phenolic hydroxyl group and a substituent having a moiety, to which an unshared electron pair bond site and a hydrogen atom capable of hydrogen bonding, and capable of forming thermally reversible two or more hydrogen bonds, and (B) an infrared absorbent, is exposed, developed and heat-treated. <P>COPYRIGHT: (C)2005,JPO&NCIPI |
