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    • 1. 发明申请
    • PLANOGRAPHIC PRINTING PLATE PRECURSOR
    • PLANOGRAPHIC印刷板前身
    • WO1992011579A1
    • 1992-07-09
    • PCT/EP1991002466
    • 1991-12-19
    • AGFA-GEVAERT N.V.STEVENS, Marc, PetrusMARIEN, August, MarcelVERHEYEN, Joannes, MariaPLESSERS, Patrick
    • AGFA-GEVAERT N.V.
    • G03F07/07
    • B41N1/14G03F7/07
    • The present invention relates to planographic printing plate precursors, comprising a hydrophilic layer coated on a thermoplastic resin support characterised in that said thermoplastic resin support has a thickness between 200 and 400 microns, is substantially transparent to visible light, and is made of a copolymer comprising ethyleneterephthalate as the main recurring polymer units, said copolymer being the polycondensation reaction product of ethylene glycol and terephthalic acid, ethylene glycol being substituted by another diol, and/or terephthalic acid being substituted by another aromatic dicarboxylic acid, either substitution(s) amounting to between 4 and 20 mol percent with respect to ethylene glycol and/or terephthalic acid, or said copolymer being the polycondensation reaction product of ethylene glycol and dimethylterephthalate, ethylene glycol being substituted by another diol, and/or dimethylterephthalate being substituted by the dimethyl ester of another aromatic dicarboxylic acid, either substitution(s) amounting to between 4 and 20 mol percent with respect to ethylene glycol and/or dimethylterephthalate.
    • 本发明涉及平版印刷版前体,其包括涂覆在热塑性树脂载体上的亲水层,其特征在于所述热塑性树脂载体的厚度在200-400微米之间,对可见光基本上是透明的,并且由包含 对苯二甲酸乙二醇酯作为主要的重复聚合物单元,所述共聚物是乙二醇和对苯二甲酸的缩聚反应产物,乙二醇被另一个二醇取代,和/或对苯二甲酸被另外的芳族二羧酸取代,取代等于 相对于乙二醇和/或对苯二甲酸为4至20摩尔%,或所述共聚物为乙二醇和对苯二甲酸二甲酯的缩聚反应产物,乙二醇被另一种二醇取代,和/或被二甲基酯取代的对苯二甲酸二甲酯 另一种芳香二碳 相对于乙二醇和/或对苯二甲酸二甲酯,取代度为4-20mol%。