Provided are a photosensitive resin composition which enables production of a lithographic printing plate precursor having a non-image portion which has good solubility in an alkali aqueous solution and which enables production of a lithographic printing plate having excellent chemical resistance and excellent printing durability, a lithographic printing plate precursor obtained by using the photosensitive resin composition, a method for producing a lithographic printing plate, and a new polymer compound. The photosensitive resin composition of the present invention contains: a polymer compound which has an amine bond or a quaternary ammonium salt bond, and at least one bond selected from the group consisting of a urea bond, a urethane bond, and a carbonate bond in the main chain and has a sulfonamide group or a phenolic hydroxyl group in the main chain and/or the side chain; and an infrared absorbing material.
本发明提供了一种感光
树脂组合物,该组合物能够生产出具有非图像部分的平版印刷版前体,该非图像部分在碱
水溶液中具有良好的溶解性,并且能够生产出具有优异耐
化学性和优异印刷耐久性的平版印刷版;还提供了一种通过使用该感光
树脂组合物获得的平版印刷版前体、一种平版印刷版的生产方法以及一种新型聚合物化合物。本发明的感光
树脂组合物包含:一种高分子化合物,其主链中具有胺键或季
铵盐键,以及至少一个选自
脲键、聚
氨酯键和
碳酸酯键的键,并且主链和/或侧链中具有磺酰胺基团或
酚羟基团;以及一种红外线吸收材料。