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    PHOTOSENSITIVE RESIN COMPOSITION
    1.
    发明申请
    PHOTOSENSITIVE RESIN COMPOSITION 审中-公开
    感光树脂组合物

    公开(公告)号：WO2015112478A1

    公开(公告)日：2015-07-30

    申请号：PCT/US2015/011988

    申请日：2015-01-20

    Applicant: MACDERMID PRINTING SOLUTIONS, LLC

    Inventor： BALDWIN, Kyle, P. ,  BARBOZA, Miguel, A. ,  O'BRATE, Kerry ,  SANCHEZ, Rogelio

    IPC: G03F7/028

    CPC classification number: G03F7/027 ,  G03F7/029 ,  G03F7/031 ,  G03F7/202

    Abstract: A photosensitive printing blank having is described. The photosensitive printing blank comprises at least one photocurable layer that is capable of being selectively crosslinked and cured upon exposure to actinic radiation at a desired wavelength region comprising (a) at least one elastomeric binder, (b) at least one ethylenically unsaturated monomer, (c) a photoinitiator having a favorable absorption profile in the desired wavelength region used for exposing the at least one photocurable layer to actinic radiation, and (d) a dye, wherein the dye exhibits a suitable percent transmission as measured with a UV spectrophotometer at the desired wavelength region used for exposing the at least one photocurable layer to actinic radiation, and optionally an infrared ablatable layer disposed on the at least one photocurable layer. A method of making a relief image printing element from the photosensitive printing blank is also described.

    Abstract translation: 描述了一种感光印刷坯料。 感光印刷坯料包括至少一个光固化层，其能够在所需波长区域暴露于光化辐射下被选择性交联和固化，所述波长范围包含（a）至少一种弹性体粘合剂，（b）至少一种烯键式不饱和单体（ c）具有在用于将至少一个光固化层暴露于光化辐射的所需波长范围内的有利吸收曲线的光引发剂，和（d）染料，其中染料显示出适当的百分比透射率，其用紫外分光光度计在 用于将至少一个光固化层暴露于光化辐射的所需波长区域，以及可选地设置在至少一个光固化层上的红外可烧蚀层。 还描述了从感光印刷坯料制造浮雕图像打印元件的方法。

    CLEAN FLEXOGRAPHIC PRINTING PLATES AND METHOD OF MAKING THE SAME
    2.
    发明申请
    CLEAN FLEXOGRAPHIC PRINTING PLATES AND METHOD OF MAKING THE SAME 审中-公开
    清洁柔性印刷板及其制造方法

    公开(公告)号：WO2016025115A1

    公开(公告)日：2016-02-18

    申请号：PCT/US2015/040537

    申请日：2015-07-15

    Applicant: MACDERMID PRINTING SOLUTIONS, LLC

    Inventor： BALDWIN, Kyle, P. ,  BARBOZA, Miguel, A. ,  O'BRATE, Kerry

    IPC: G03C1/00

    CPC classification number: G03F7/0755 ,  G03F7/092 ,  G03F7/2055

    Abstract: A method of processing a flexographic printing blank to produce a relief image printing element capable of printing cleanly. The method comprises the steps of: (a) providing a flexographic printing blank comprising: (i) a support layer; (ii) at least one photocurable layer disposed on the support layer, and (iii) a laser ablatable mask layer disposed on the at least one photocurable layer. The at least one photocurable layer comprises a photocurable composition comprising: (1) at least one ethylenically unsaturated monomer; (2) at least one silicone monomer or oligomer; (3) at least one binder or oligomer; and (4) a photoinitiator. The laser ablatable mask layer is laser ablated to create an in situ negative in the laser ablatable mask layer. Thereafter, a barrier layer is disposed on the laser ablatable mask layer. The at least one photocurable layer is exposed to actinic radiation through the barrier layer and the laser ablatable mask layer.

    Abstract translation: 一种处理柔性版印刷坯料以产生能够清洁地印刷的浮雕图像印刷元件的方法。 该方法包括以下步骤：（a）提供柔性版印刷坯料，其包括：（i）支撑层; （ii）设置在所述支撑层上的至少一个光固化层，和（iii）设置在所述至少一个光固化层上的激光可烧蚀掩模层。 所述至少一个光固化层包含可光固化组合物，其包含：（1）至少一种烯属不饱和单体; （2）至少一种硅氧烷单体或低聚物; （3）至少一种粘合剂或低聚物; 和（4）光引发剂。 激光烧蚀掩模层被激光烧蚀以在激光可烧蚀掩模层中产生原位阴离子。 此后，在激光可烧蚀掩模层上设置阻挡层。 所述至少一个光固化层通过阻挡层和激光可烧蚀掩模层暴露于光化辐射。

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