| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide an on-press developing type lithographic printing form original plate, which has a highly visible pint-out image at a stage exposed imagewise with laser and is excellent in plate wearability, and a lithographic printing method employing the lithographic printing form original plate. <P>SOLUTION: This lithographic printing form original plate has an image recording layer, which includes (A) active halogen compound having a specified structure, (B) infrared absorber and (C) a compound having at least one addition polymerizable ethylenic unsaturated bond and can record an image through laser exposure and which can be removed by means of printing ink and/or by aqueous components on a support. <P>COPYRIGHT: (C)2008,JPO&INPIT |
