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    • 56. 发明公开
    • Inhibitor-containing photohardenable compositions having improved resolution
    • Einen Inhibitor enthaltendephotohärtbareZusammensetzungen mit verbesserterAuflösung。
    • EP0436948A2
    • 1991-07-17
    • EP90125714.7
    • 1990-12-28
    • E.I. DU PONT DE NEMOURS AND COMPANY
    • Blanchet-Fincher, Graciela BeatrizChang, Catherine Teh-Lin
    • G03G5/026
    • G03G5/026
    • Photohardenable electrostatic master with improved environmental latitude and dot shape comprising

      (1) an electrically conductive substrate, and coated thereon
      (2) a layer of photohardenable composition having a speed that requires an exposure energy in the range of 3 to 90 mjoules/sq. cm. consisting essentially of

      (a) at least two incompatible organic polymeric binders,
      (b) at least one monomeric compound having at least one ethylenically unsaturated group, and
      (c) a photoinitiator or photoinitiator system that activates polymerization of the ethylenically unsaturated monomer upon exposure to actinic radiation,
      (d) a chain transfer agent, and
      (e) at least one polymerization inhibitor in an amount of at least 0.1% by weight based on the total weight of photohardenable composition.


      A xeroprinting process is described using the master. The master is used in graphic arts, color proofing which duplicates images produced by printing, preparation of printed circuit boards, resists, soldermasks, etc.
    • 具有改善的环境纬度和点形状的可光硬化静电原版,包括(1)导电基底并涂覆在其上(2)可光硬化组合物层,其具有需要3至90m焦耳/平方的曝光能量的速度。 厘米。 基本上由(a)至少两种不相容的有机聚合物粘合剂组成,(b)至少一种具有至少一个烯键式不饱和基团的单体化合物,和(c)光引发剂或光引发剂体系,其在暴露于 光化辐射,(d)链转移剂,和(e)至少一种聚合抑制剂,其量为可光硬化组合物总重量的至少0.1重量%。 使用主机描述了一个打印过程。 主人用于图形艺术,彩色打样,复制了印刷产生的图像,印刷电路板,抗蚀剂,焊接材料等的制备。