| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide a lithographic printing plate which is excellent in developability with a chemical-less processing agent and printability in the lithographic printing plate having a hydrophilic layer and an image forming layer on a plastic film substrate. <P>SOLUTION: The lithographic printing plate includes a hydrophilic layer containing a water-soluble polymer and a crosslinking agent that crosslinks the water-soluble polymer on a plastic film substrate, and further includes an image forming layer thereon, wherein the lithographic printing plate includes a gelatin-containing layer having a calcium ion concentration of not more than 1,000 ppm between the hydrophilic layer and the plastic substrate. <P>COPYRIGHT: (C)2011,JPO&INPIT |
