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    Method of making a lithographic printing plate
    1.
    发明授权
    Method of making a lithographic printing plate 失效
    制作平版印刷版的方法

    公开(公告)号：US4175964A

    公开(公告)日：1979-11-27

    申请号：US804481

    申请日：1977-06-07

    申请人： Toshio Uchida ,  Yorimiti Yabuta ,  Teppei Ikeda

    发明人： Toshio Uchida ,  Yorimiti Yabuta ,  Teppei Ikeda

    IPC分类号： G03F7/00 ,  B41N3/03 ,  G03C11/12 ,  G03C1/94 ,  G03C5/00

    CPC分类号： B41N3/038

    摘要： A light-sensitive lithographic printing plate element suitable for the formation of negative and positive images, simultaneously, comprising a hydrophilic support having, in succession, a light-sensitive composition layer and a transparent cover film in which images for printing are formed by imagewise exposing through the cover film and peeling apart to remove, together with the cover film, the areas having a stronger adhesion to the cover film in the light-sensitive composition layer by utilizing the difference in adhesion to the support and to the cover film between the exposed areas and the unexposed areas of the light-sensitive composition layer, whereby the areas of the light-sensitive composition layer having a stronger adhesion to the support remain on the support, wherein the surface of the support adjacent the light-sensitive composition layer is treated with an aqueous solution containing at least one water soluble oxygen acid or water soluble oxygen acid salt selected from the group consisting of boric acid, boric acid salts, molybdic acids, molybdic acids salts, phosphoric acids, phosphoric acid salts, vanadic acids, vanadic acid salts, tungstic acids, tungstic acid salts, chromic acid, chromic acid salts, silicic acids and silicic acid salts.

    摘要翻译： 一种适用于形成负像和正图像的感光平版印刷版元件，同时包含亲水性支持体，其依次具有感光组合物层和透明覆盖膜，其中通过图像曝光形成印刷图像 通过覆盖膜并剥离，通过利用与支撑体的粘合力差和曝光的覆盖膜与覆盖膜一起去除光敏组合物层中的覆盖膜更强的粘附性的区域 区域和感光组合物层的未曝光区域，由此对支持体具有更强粘附性的感光组合物层的区域保留在支撑体上，其中处理与感光组合物层相邻的支撑体的表面被处理 含有至少一种选自水溶性氧酸或水溶性氧酸盐的水溶液 由硼酸，硼酸盐，钼酸，钼酸盐，磷酸，磷酸盐，钒酸，钒酸盐，钨酸，钨酸盐，铬酸，铬酸盐，硅酸和硅酸组成的组 酸盐。

    Process for preparing lithographic printing plate using silicate containing-desensitizer
    2.
    发明授权
    Process for preparing lithographic printing plate using silicate containing-desensitizer 失效
    使用含硅脱硅剂制备平版印刷版的方法

    公开(公告)号：US4258122A

    公开(公告)日：1981-03-24

    申请号：US920872

    申请日：1978-06-30

    申请人： Toshio Uchida ,  Yorimiti Yabuta ,  Hiromichi Tachikawa ,  Teppei Ikeda

    发明人： Toshio Uchida ,  Yorimiti Yabuta ,  Hiromichi Tachikawa ,  Teppei Ikeda

    IPC分类号： G03F7/00 ,  B41N3/08 ,  G03F7/02

    CPC分类号： B41N3/08

    摘要： A desensitizer for a lithographic printing plate, which contains:(i) at least one silicate represented by the general formulae (I), (II) and (III)M.sub.2 O.(SiO.sub.2).sub.n.qH.sub.2 O (I) ##STR1## wherein M represents an alkali metal atom; R.sup.1, R.sup.2, R.sup.3 and R.sup.4, which may be the same or different, each represents a hydrogen atom, an alkyl group or a hydroxyalkyl group; n represents a number of from 1 to 8.5; q represents a number of from 0 to 12; m represents a number of greater than 0 and up to 10; and p represents a number of from 4 to 5000;(ii) at least one wetting agent;(iii) a hydrophilic colloidal material; and(iv) water, anda process for preparing a lithographic printing plate using the desensitizer.

    摘要翻译： 用于平版印刷版的脱敏剂，其包含：（i）至少一种由通式（I），（II）和（III）表示的硅酸盐M 2 O（SiO 2）n.qH 2 O（I） （III）其中M表示碱金属原子; R 1，R 2，R 3和R 4可以相同或不同，表示氢原子，烷基或羟烷基; n表示1〜8.5的数; q表示0〜12的数; m表示大于0且高达10的数; p表示4〜5000的数; （ii）至少一种润湿剂; （iii）亲水胶体材料; 和（iv）水，以及使用脱敏剂制备平版印刷版的方法。