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    • 5. 发明授权
    • On-press developable printing plate with amphoteric hydrogen bond
forming developability stabilizer
    • 具有两性氢键形成显影稳定剂的印刷机可印刷版
    • US5795698A
    • 1998-08-18
    • US817369
    • 1997-04-14
    • Maurice J. FitzgeraldMichael J. JurekRong-Chang LiangRichard J. Sugrue
    • Maurice J. FitzgeraldMichael J. JurekRong-Chang LiangRichard J. Sugrue
    • B41C1/10G03F7/027G03C1/1725B41N1/00
    • G03F7/027B41C1/1008B41C2210/04B41C2210/06B41C2210/08B41C2210/22B41C2210/24
    • The present invention discloses a lithographic printing plate developable on a lithographic printing press equipped with means for delivering lithographic ink and aqueous fountain solutions to the printing plate, the lithographic printing plate having in order (a) a printing plate substrate; and (b) a photoresist photohardenable upon imagewise exposure to actinic radiation, the photoresist comprising (i) a macromolecular organic binder; (ii) a photopolymerizable ethylenically unsaturated monomer having at least one terminal ethylenic group capable of forming a high polymer by chain-propagated polymerization, (iii) a polymerization initiator activatable by actinic radiation, and (iv) an amphoteric hydrogen bond-forming developability stabilizer, the hydrogen bond-forming developability stabilizer being non-volatile miscible in the photoresist and soluble in said lithographic ink and fountain solutions; the amphoteric hydrogen bond-forming developability stabilizer possessing a strong hydrogen bond-forming functional group with the remainder of the molecule manifesting hydrophilicity.
    • PCT No.PCT / US96 / 14611 Sec。 371日期1997年04月14日 102(e)日期1997年04月14日PCT 1996年9月13日PCT公开本发明公开了一种平版印刷版,其可平版印刷机上印刷,该平版印刷机装备有用于将平版印刷油墨和水性润版液输送到印刷版,平版印刷版 具有(a)印版基板; 和(b)在成像曝光于光化辐射时可光致抗蚀剂的光致抗蚀剂,所述光致抗蚀剂包含(i)大分子有机粘合剂; (ii)具有至少一个可通过链增长聚合形成高聚合物的末端烯属基团的光聚合性烯键式不饱和单体,(iii)可通过光化辐射活化的聚合引发剂,和(iv)两性形成氢键的显影稳定剂 ,形成氢键的显影稳定剂在光致抗蚀剂中是非挥发性的,可溶于所述平版印刷油墨和喷泉溶液中; 具有强氢键形成官能团的两性氢键形成显影稳定剂,其余分子表现出亲水性。