| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide a negative photosensitive lithographic printing material having high sensitivity to various lasers, having high processing stability even after storage in a high temperature and high humidity environment, and causing no surface stain in printing. <P>SOLUTION: The negative photosensitive lithographic printing material has a photopolymerizable photosensitive layer on a support, wherein the photosensitive layer contains a polymer having a polymerizable double bond in a side chain and having a carboxyl group-containing monomer as a copolymerized component, an organic boron salt and a compound having a phosphorous acid ester structure and a phenol structure in a molecule. <P>COPYRIGHT: (C)2007,JPO&INPIT |
