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Lysömfintlig opptegningselement, samt fremgangsmåte ved fremstilling av reliefftrykkplater eller fotoresister
Lysömfintlig opptegningselement, samt fremgangsmåte ved fremstilling av reliefftrykkplater eller fotoresister
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机译:光敏记录元件以及浮雕印刷版或光致抗蚀剂的制造方法
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摘要
Photosensitive recording element containing at least one photopolymerisable recording layer (B) composed of… b1) at least one partially or virtually completely hydrolysed poly(vinylalcohol alkane carboxylate) and/or at least one partially or virtually completely hydrolysed vinyl alcohol alkane carboxylate/alkylene oxide graft copolymer as binder,… b2) at least one photopolymerisation initiator,… b3) at least one photopolymerisable olefinically unsaturated compound (monomer) which is compatible with the binder (b1), and/or photopolymerizable olefinically unsaturated radicals which are linked laterally and/or terminally to the binder (b1), and… b4) at least two auxiliaries, the photopolymerizable recording layer (B) containing, as auxiliaries (b4), at least the sensitometric regulator (b4) composed of… b4.1) at least one compound from the class comprising the isoalloxazines and/or the class comprising the alloxazines, and also… b4.2) the potassium salt of N-nitrosocyclohexyl hydroxylamine, N-nitrosodiphenylamine and/or the monomethyl ether of hydroquinone in an amount of 0,01 to 6% by weight of the photopolymerizable recording layer (B), the (b4.1):(b4.2) weight ratio being 1:2 to 1:1000.
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