摘要 |
Provided is a lithographic printing plate precursor having extremely excellent on-board developability while maintaining printing durability and having excellent preservation stability, by a lithographic printing plate precursor including, on a support, an image recording layer containing (A) a thermoplastic fine particle polymer; (B) an infrared ray absorption agent; and (C) a polyglycerol compound, in which the polyglycerol compound is a compound having three or more structural units selected from structural units expressed by General Formulae (1) and (2) below, where General Formulae (1) and (2), A represents a hydrogen atom, an alkyl group having 1 to 4 carbon atoms, or an alkyl carbonyl group having 2 to 5 carbon atoms. |