Patent name: lithographic printing plate precursor Patent Application No. 6 Publication No.: 1517206
Application date; 2004.01.20 publication date: 2004.08.04 Applicant: Matsushita Film Co., Ltd. A lithographic printing plate precursor of the present invention includes: a hydrophilic carrier in this order is mounted on a hydrophilic carrier And the image recording layer. The lower layer includes a water-insoluble and alkali-soluble resin, and wherein the image-recording layer includes a novolac-type phenolic resin, which resin has phenol as a structural unit and a photothermal conversion agent and is displayed on the alkali in the county under an infrared laser. Enhanced solubility in aqueous solutions.

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