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    • 7. 发明授权
    • Photosensitive printing plate having mat particles formed on the photosensitive layer and method of producing the same
    • 在感光层上形成有垫子的感光性印刷版及其制造方法
    • US06461784B1
    • 2002-10-08
    • US09708888
    • 2000-11-08
    • Hirotaka KomineEiji Hayakawa
    • Hirotaka KomineEiji Hayakawa
    • G03F7021
    • G03F7/115
    • The photosensitive printing plate of the present invention comprises a substrate, a photosensitive layer formed on the substrate, and mat particles formed on the photosensitive layer, wherein the mat particles contain a copolymer which contains at least one (meth)acrylamides as a unit. The method of producing the photosensitive printing plate of the present invention is a method which comprises the steps of forming a photosensitive layer on a substrate, and coating the photosensitive layer with a solution prepared by dissolving a copolymer containing at least one (meth)acrylamides as a unit in a solvent to form mat particles. The photosensitive printing plate of the present invention has excellent vacuum contact properties and resistance to friction and pressure and is free from tack on the surface when used, avoids problems in developing properties during long storage times, and is superior in terms of solubility in an exhausted developer.
    • 本发明的感光印刷版包括基板,形成在基板上的感光层和形成在感光层上的垫片颗粒,其中垫片颗粒含有含有至少一种(甲基)丙烯酰胺作为单元的共聚物。 制造本发明的感光印版的方法是一种方法,其包括以下步骤:在基底上形成感光层,并用通过将含有至少一种(甲基)丙烯酰胺的共聚物溶解在一起而制备的溶液涂布感光层 在溶剂中形成垫子颗粒的单位。 本发明的感光性印刷版具有优异的真空接触性和耐摩擦性和压力,并且在使用时不会在表面粘着,避免了在长时间储存​​期间的显影性能问题,并且在耗尽的 开发者
    • 10. 发明申请
    • LITHOGRAPHIC PRINTING PLATE PRECURSOR
    • 平版印刷机前驱板
    • US20120070779A1
    • 2012-03-22
    • US13322922
    • 2010-05-31
    • Yasushi MiyamotoYasuhiro AsawaMaru AburanoEiji HayakawaSatoko Kumazumi
    • Yasushi MiyamotoYasuhiro AsawaMaru AburanoEiji HayakawaSatoko Kumazumi
    • G03F7/004
    • G03F7/11B41C1/1008B41C1/1016B41C2201/04B41C2210/02B41C2210/04B41C2210/06B41C2210/14B41C2210/22B41C2210/24B41C2210/266
    • The present invention provides a lithographic printing plate precursor which exhibits satisfactory ink cleanup and restart toning characteristics during printing.Disclosed is a lithographic printing plate precursor comprising a substrate having thereon in order an interlayer containing a copolymer comprising K units and L units, and an image-forming layer, wherein said K unit is derived from a monomer of the formula I: wherein R1 represents a hydrogen atom, a C1-22 linear, branched or cyclic alkyl group, a C1-22 linear, branched or cyclic, substituted alkyl group, a C6-24 aryl group or substituted aryl group, wherein the substituent is selected from a C1-4alkyl group, an aryl group, a halogen atom, a keto group, an ester group, an alkoxy group, or a cyano group; Y represent a single bond, or a C1-22 linear, branched or cyclic alkylene; or CH2═CHPO(OH)2; and said L unit is derived from a monomer of the formula II: CH2═CRCONH2  (II) wherein R is H or CH3, and said K units are present from more than 3% and less than 40% and said L units are present from more than 60% and less than 97% in the copolymer.
    • 本发明提供一种平版印刷版原版,其在印刷过程中表现出令人满意的油墨净化和重新启动调色特性。 公开了一种平版印刷版原版,其包含基板,其上具有包含含有K个单元和L个单元的共聚物的中间层和图像形成层,其中所述K单元衍生自式I的单体:其中R1表示 氢原子,C1-22直链,支链或环状烷基,C1-22直链,支链或环状取代的烷基,C6-24芳基或取代的芳基,其中取代基选自C1- 4-烷基,芳基,卤素原子,酮基,酯基,烷氧基或氰基; Y表示单键或C1-22直链,支链或环状亚烷基; 或CH 2 = CHPO(OH)2; 并且所述L单元衍生自式II的单体:CH 2 = CRCONH 2(II)其中R是H或CH 3,并且所述K个单元存在于大于3%且小于40%的范围内,并且所述L单元存在于 在共聚物中超过60%且小于97%。