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公开(公告)号：EP0021124B1
公开(公告)日：1985-03-13
申请号：EP80103036.2
申请日：1980-05-31
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公开(公告)号：EP0021124A1
公开(公告)日：1981-01-07
申请号：EP80103036.2
申请日：1980-05-31
摘要： An electrostatic master having improved water, cockle and pick resistance for lithographic printing, and method for making the same, comprising a base, a barrier coat applied to said base, and a photoconductive layer containing a photoconductive material and binder applied to said barrier coat. The barrier coat preferably comprises a copolymer of at least 60 % ethylenically unsaturated polymerizable monomer having non-polar functionality and about 3 to about 40 % of a polymerizable olefinically unsaturated monomer having polar functionality. The barrier coat preferably contains about 2.5 to about 50 % plastic particles based on the weight of the barrier coat. The barrier coat achieves improved water resistance at low coat weights, and thus can be applied without substantial change in conductivity.
摘要翻译： 具有改进的用于平版印刷的水，起翘和拾取电阻的静电原版及其制造方法，包括基底，施加到所述基底的阻挡涂层和包含施加到所述阻挡涂层的光导材料和粘合剂的光电导层。 阻隔涂层优选包含具有非极性官能度的至少60％的烯键式不饱和可聚合单体和约3至约40％的具有极性官能度的可聚合烯属不饱和单体的共聚物。 阻挡涂层优选包含基于阻挡涂层重量的约2.5至约50％的塑料颗粒。 阻隔层在低涂层重量下实现了改善的耐水性，因此可以在不显着改变导电性的情况下施加。
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3.发明授权
公开(公告)号：EP0033350B1
公开(公告)日：1985-12-18
申请号：EP80100333.6
申请日：1980-01-23
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4.发明公开Method for the preparation of improved water and solvent resistant coated substrates 无效一种用于生产涂覆的基材的过程中具有改进的耐水性和耐溶剂性。
公开(公告)号：EP0033350A1
公开(公告)日：1981-08-12
申请号：EP80100333.6
申请日：1980-01-23
摘要： The present invention resides broadly in a method for the preparation of substrates having improved water and/or solvent resistance which comprises applying to a substrate a plastic particle containing formulation, and then wetting the formed coating with a solventto which the plastic particles are sensitive. The present invention is particularly applicable to the preparation of electrostatic masters of improved water resistance for lithographic printing having a photoconductive layer and a barrier coat to which the photoconductive layer is applied. The barrier coat contains a binding amount of a binder and filler at least a portion of which is an amount of said plastic particles sensitive to the solvent system of the photoconductive layer, the amount of plastic particles and sensitivity being sufficient to materially increase water resistance.
摘要翻译： 在本发明中用于基片的制备方法，广泛地在于具有改善的水和/或所述方法包括向一个底物的塑料粒子含制剂，然后润湿用溶剂的塑料颗粒是敏感所形成的涂层的耐溶剂性。 本发明特别适用的制备改进的耐水性的静电底版的具有光电导层和哪个光电导层施加一个阻挡涂层的平版印刷到。 屏障涂层含有粘合剂的结合量和填料的至少所有这是在所述塑料颗粒与光导电层，塑料颗粒的量和灵敏度足以实质性增加耐水性的溶剂系统敏感的量的部分。
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