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    • 1. 发明申请
    • METHOD OF MAKING A LITHOGRAPHIC PRINTING PLATE
    • 制作平版印刷版的方法
    • WO2009063024A1
    • 2009-05-22
    • PCT/EP2008/065506
    • 2008-11-13
    • AGFA GRAPHICS NVWILLIAMSON, AlexanderGEUKENS, ChristelVAN AERT, HubertusHEYLEN, Kristof
    • WILLIAMSON, AlexanderGEUKENS, ChristelVAN AERT, HubertusHEYLEN, Kristof
    • G03F7/075G03F7/085G03F7/11
    • G03F7/11B41C1/1008B41C1/1016B41C2201/02B41C2201/04B41C2201/14B41C2210/04B41C2210/08B41C2210/22B41C2210/24G03F7/033G03F7/0751G03F7/3035
    • A method of making a lithographic printing plate comprising the steps of : a) providing a lithographic printing plate precursor comprising a support having a hydrophilic surface or which is provided with a hydrophilic layer, and a coating provided thereon, said coating comprising (i) a contiguous photopolymerisable layer having a photopolymerisable composition, or (ii) a contiguous intermediate layer and thereon a photopolymerisable layer having a photopolymerisable composition, wherein said photopolymerisable composition comprises a polymerisable compound, a polymerization initiator and a first polymer, b) image-wise exposing said coating, c) optionally, heating the precursor, d) developing the precursor by treating the coating of the precursor with a gum solution or by mounting the exposed precursor on a plate cylinder of a lithographic printing press and rotating the plate cylinder while feeding dampening liquid and/or ink to the coating, wherein said contiguous photopolymerisable or intermediate layer further comprises (1) an adhesion promoting compound which is a non-polymeric compound containing a group having an ethylenically unsaturated bond and a group selected from a phosphate group, a phosphonate group and a trialkoxysilane group, and (2) a second polymer having at least 1 mol % of a first monomeric unit having a phosphate group, a phosphonate group, a carboxylic acid group, a sulphonic acid group, a phenolic group, a trialkoxysilane group, an ammonium group or a phosphonium group and at least 30 mol % of a second monomeric unit having a hydrophilic group, wherein the amount of said adhesion promoting compound is higher than the amount of said second polymer, with the proviso that, if the contiguous layer is the photopolymerisable layer, the amount of said second polymer xn the photopolymerisable layer is at least 0.01 % by weight and less than 5 % by weight.
    • 一种制备平版印刷版的方法,包括以下步骤:a)提供包含具有亲水性表面的或具有亲水层的载体的平版印刷版原版及其上设置的涂层,所述涂层包含(i) 具有可光聚合组合物的邻接可光聚合层,或(ii)连续的中间层和其上具有可光聚合组合物的可光聚合层,其中所述可光聚合组合物包含可聚合化合物,聚合引发剂和第一聚合物,b)成像曝光所述 涂覆,c)任选地加热前体,d)通过用胶溶液处理前体的涂层或通过将曝光的前体安装在平版印刷机的印版滚筒上并旋转印版滚筒同时进给润版液体来显影前体 和/或油墨到所述涂层,其中所述邻接的可光聚合的 r中间层还包含(1)粘合促进化合物,其是含有具有烯属不饱和键的基团和选自磷酸酯基,膦酸酯基和三烷氧基硅烷基的基团的非聚合化合物,和(2)第二 具有至少1摩尔%的具有磷酸基的第一单体单元,膦酸酯基,羧酸基,磺酸基,酚基,三烷氧基硅烷基,铵基或鏻基的聚合物和至少30 mol%的具有亲水基团的第二单体单元,其中所述粘合促进化合物的量高于所述第二聚合物的量,条件是如果连续层是可光聚合层,则所述第二聚合物的量 该可光聚合层的重量比为至少0.01重量%且小于5重量%。