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    • 8. 发明申请
    • FLEXOGRAPHIC PRINTING PLATE WITH IMPROVED CURE EFFICIENCY
    • 具有改善效率的柔性印刷版
    • WO2016077109A3
    • 2016-11-03
    • PCT/US2015058917
    • 2015-11-04
    • MACDERMID PRINTING SOLUTIONS LLC
    • BOUKAFTANE CHOUAIB
    • G03F7/031G03F7/20G03F7/32
    • G03F7/031G03F7/029G03F7/095
    • A method of making a relief image printing element comprising a plurality of relief printing dots. The method includes the steps of: (a) providing at least one photocurable layer disposed on the backing layer, the at least one photocurable layer being capable of being selectively crosslinked and cured upon exposure to actinic radiation, (b) imagewise exposing the at least one photocurable layer to actinic radiation to selectively crosslink and cure portions of the at least one photocurable layer; and (c) developing the relief image printing element to separate and remove uncrosslinked and uncured portions of the at least one photocurable layer to reveal the relief image therein. The at least one photocurable layer comprises (i) an ethylenically unsaturated monomer; (ii) a binder; and (iii) a photoinitiator exhibiting a quantum yield of initiation (Qi) of more than 0.05 at a 365 nm wavelength.
    • 一种形成包括多个凸版印刷点的浮雕图像打印元件的方法。 该方法包括以下步骤:(a)提供设置在背衬层上的至少一个光固化层,所述至少一个光固化层能够在暴露于光化辐射时选择性地交联和固化,(b)至少成像曝光 一个光固化层,以光化辐射,以选择性地交联和固化所述至少一个光固化层的部分; 和(c)显影所述浮雕图像打印元件以分离和去除所述至少一个光固化层的未交联和未固化的部分,以在其中显露浮雕图像。 所述至少一个光固化层包含(i)烯属不饱和单体; (ii)粘合剂; 和(iii)在365nm波长处显示出大于0.05的量子产率(Qi)的光引发剂。