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    THERMAL ABLATION TRANSFER LITHOGRAPHIC PRINTING PLATES
    1.
    发明申请
    THERMAL ABLATION TRANSFER LITHOGRAPHIC PRINTING PLATES 审中-公开
    热离子转印光刻印版

    公开(公告)号：WO1997044711A1

    公开(公告)日：1997-11-27

    申请号：PCT/US1997007146

    申请日：1997-05-12

    Applicant: SUN CHEMICAL CORPORATION

    Inventor： SUN CHEMICAL CORPORATION ,  NGUYEN, My, T. ,  SHIMAZU, Ken-ichi ,  HALLMAN, Robert, W. ,  PAPPAS, S., Peter

    IPC: G03F01/10

    CPC classification number: G03F7/202

    Abstract: Waterless and wet lithographic plates precursors are prepared as composites comprising presensitized (PS) lithographic plate precursors supporting radiation-ablative coatings containing an ablation sensitizer and an imaging amount of a non-ablative ultra-violet (UV) absorber. Digitized IR laser image inscription within the ablative coatings initiates ablation-driven transfer of the UV absorber to the PS plate. UV exposure of the plate followed by conventional development provides lithographic plates that exhibit high impression life suitable for high volume printing runs.

    Abstract translation: 制备无水和湿平版印刷版前体作为复合材料，其包括支持包含消融增感剂的辐射消融涂层和非消融紫外（UV）吸收剂的成像量的预敏化（PS）平版印刷版前体。 烧蚀涂层内的数字化红外激光图像刻录启动消融驱动的UV吸收剂传递到PS板。 板的UV曝光接着通过常规显影提供了平版印刷版，其显示出高印刷寿命，适合于大批量印刷。

    LASER IMAGEABLE LITHOGRAPHIC PRINTING PLATES
    2.
    发明申请
    LASER IMAGEABLE LITHOGRAPHIC PRINTING PLATES 审中-公开
    激光成像光刻印版

    公开(公告)号：WO1997000735A1

    公开(公告)日：1997-01-09

    申请号：PCT/US1996010663

    申请日：1996-06-21

    Applicant: SUN CHEMICAL CORPORATION

    Inventor： SUN CHEMICAL CORPORATION ,  NGUYEN, My, T. ,  ZHU, Hui ,  PAPPAS, S., Peter ,  SHIMAZU, Ken-ichi ,  HALLMAN, Robert, W.

    IPC: B05D01/18

    CPC classification number: B41C1/1033 ,  B41C1/1008 ,  B41C2210/02 ,  B41C2210/16 ,  B41C2210/24 ,  B41C2210/26 ,  B41C2210/264 ,  B41C2210/266 ,  Y10T428/31692 ,  Y10T428/31797 ,  Y10T428/31855

    Abstract: Lithographic printing plates for wet or waterless offset printing are disclosed which can be imagewise exposed using a digitally controlled IR laser. The invention comprises a laser imageable lithographic printing plate comprising a substrate, a photosensitive coating on the substrate, and a water-soluble laser ablatable top coating containing dyes or polymers that absorb infrared, ultraviolet and visible light. Laminated transparent polymer films and/or peelable polymeric coatings films can be interposed between the coated substrate and a water-soluble and/or organic solvent soluble laser ablatable top layer to augment plate production or image inscription on the plate.

    Abstract translation: 公开了用于湿或无水胶版印刷的平版印刷版，其可以使用数字控制的IR激光成像曝光。 本发明包括可激光成像的平版印刷版，其包括基底，基底上的光敏涂层，以及含有吸收红外，紫外和可见光的染料或聚合物的水溶性激光可烧蚀顶涂层。 层压的透明聚合物膜和/或可剥离的聚合物涂层膜可以插入在涂覆的基底和水溶性和/或有机溶剂可溶的激光可烧蚀顶层之间，以增加板上的板材生产或图像铭牌。

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