A positive-working lithographic printing plate precursor which comprises on a support having a hydrophilic surface or which is provided with a hydrophilic layer, a heat and/or light-sensitive coating comprising an infrared absorbing agent and a binder including a monomeric unit including a salicyclic acid group and a monomeric unit including a sulfonamide group.
一种正向工作平版印刷板前体,它包括在具有亲
水表面或提供亲
水层的支撑物上的热敏和/或光敏涂层,该涂层由红外线吸收剂和粘合剂组成,粘合剂包括包括
水杨酸基团的单体单元和包括磺酰胺基团的单体单元。