| 摘要 |
Provided is a thermal fusion lithographic printing original plate having excellent storage stability and having extremely excellent on-board developability while maintaining printing performance by means of having, on a support body, an image recording layer containing (A) a thermoplastic microparticle polymer, (B) an infrared ray absorption agent, and (C) a polyglycerol compound, wherein the polygycerol compound is a compound having at least three of any of the structural units represented by general formula (1) and general formula (2). In general formula (1) and general formula (2), A represents a hydrogen atom, an alkyl group having 1-4 carbon atoms, or an alkyl-carbonyl group having 2-5 carbon atoms. |
