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    • 10. 发明申请
    • Lithographic printing original plate and lithographic printing plate
    • 平版印刷原版和平版印刷版
    • US20070190446A1
    • 2007-08-16
    • US10584185
    • 2004-12-24
    • Tomoya TerauchiYuji InatomiToshinori MatsudaYuko KobayashiAkihiro Koide
    • Tomoya TerauchiYuji InatomiToshinori MatsudaYuko KobayashiAkihiro Koide
    • G03C1/00
    • B41C1/1041G03F7/168
    • An object of the present invention is to provide a lithographic printing plate with a hydrophilic layer mainly made from resins which has a photosensitivity to the light in near infrared region, on which images can be printed directly with laser beam, requiring no development and wiping off operation, and immediately recovering from ink stains without any difficulties when an ink attaches to non-image areas on printing, and a photosensitive resin composition applied to the printing plate. A lithographic printing original plate having a photosensitive layer formed on a support is characterized in that the surface of the photosensitive layer has a phase-separation structure, and the recessed parts are formed on the surface of a photosensitive layer by the dissolution of one component of photosensitive layer constituting the phase-separation and the surface of the photosensitive layer is changed to have affinity for ink by irradiation with light
    • 本发明的目的是提供一种平版印刷版,其主要由对近红外区域的光具有光敏性的树脂制成的亲水层,其上可以用激光束直接印刷图像,不需要显影和擦除 并且当油墨在印刷时附着到非图像区域时,没有任何困难立即从油墨污渍中恢复,以及应用于印刷版的感光性树脂组合物。 具有形成在载体上的感光层的平版印刷原版的特征在于感光层的表面具有相分离结构,并且通过溶解一个成分的感光层的表面形成凹部 构成相分离的感光层和感光层的表面通过光照射改变成对油墨具有亲和性