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    • 5. 发明授权
    • Light-sensitive printing plate with patterned matting layer
    • 具有图案化垫层的感光印版
    • US4557994A
    • 1985-12-10
    • US649964
    • 1984-09-13
    • Teruo NaganoEiji NakakitaToshiyuki Sekiya
    • Teruo NaganoEiji NakakitaToshiyuki Sekiya
    • G03F7/00G03F7/11G03F7/115G03C1/52
    • G03F7/115Y10S430/151Y10S430/162
    • A light-sensitive printing plate is disclosed. The printing plate is comprised of a support base having a light-sensitive layer positioned thereon and a matting layer comprised of a micropattern of protuberances. The protuberances are present in a regular or randomly mixed manner on the light-sensitive layer and are comprised of a copolymer. The copolymer includes a monomer (unit a) with a sulfonic acid group, a monomer (unit b) selected from the group consisting of alkyl acrylates having 1 to 10 carbon atoms in the alkyl moiety thereof and alkyl methacrylates having 4 to 10 carbon atoms in the alkyl moiety thereof and a monomer (unit c) copolymerizable with monomer (unit a) and monomer (unit b), monomer (unit c) as a copolymer having a glass transition point of 60.degree. C. or above. The matting layer does not cause staining of a film original when superposed thereon and is resistant to rubbing or pressure and provides a surface which can be vacuum contacted with a film in a short period of time.
    • 公开了一种感光印版。 印版由具有位于其上的感光层的支撑基底和由突起的微图案组成的消光层组成。 突起物以规则或随机混合的方式存在于感光层上并且由共聚物组成。 该共聚物包括具有磺酸基的单体(单元a),选自烷基部分中具有1-10个碳原子的丙烯酸烷基酯和(甲基)丙烯酸烷基酯的单体(单元b)和 其单体(单元c)与单体(单元a)和单体(单元b))共聚的单体(单元c),单体(单元c)作为玻璃化转变温度为60℃以上的共聚物。 消光层在叠合时不会引起胶片原始染色,并且耐摩擦或压力,并提供可以在短时间内与膜真空接触的表面。