Presensitized Plate For Lithographic Printing And Method For Processing Same

Abstract: A presensitized plate for lithographic printing which has excellent on press developability and ensures excellent plate durability and which particularly exhibits excellent on press developability even after long term storage characterized by: having between a substrate and a polymerizable image recording layer an intermediate layer that contains a high molecular compound comprising (a1) repeating units which each have a group adsorbable to the substrate and (a2) repeating units which each have a polyoxyalkylene group composed of 8 to 120 oxyalkylene repeating units; and containing a compound that bears an oxyalkylene group and has a molecular weight of 1500 or less in the intermediate layer and/or the polymerizable image recording layer.

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