Invention Grant
US07462437B2 Presensitized lithographic plate comprising support and hydrophilic image-recording layer 失效
包含支持和亲水图像记录层的致敏平版印刷版

Presensitized lithographic plate comprising support and hydrophilic image-recording layer
Abstract:
A presensitized lithographic plate comprises a support and a hydrophilic image-recording layer. The hydrophilic image-recording layer contains a hydrophilic polymer and an agent capable of converting hydrophilic to hydrophobic when the agent is heated. The hydrophilic polymer comprises a main chain and branched chains. Each of the branched chain comprises a hydrophilic chain having a molecular weight in the range of 200 to 1,000,000. A hydrophilic substrate and a lithographic printing process are also disclosed.
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