| 摘要 |
PROBLEM TO BE SOLVED: To provide an on-machine development-type lithographic printing plate original plate excellent in scratch resistance, printing durability and on-machine developability, and to provide a method for producing the same.SOLUTION: There are provided a lithographic printing plate original plate having an image recording layer in which an unexposed part is removed by at least any one of moistening water and ink on a support, wherein the image recording layer contains (a) a compound in which a linear molecule penetrates through cyclic molecules having a polymerizable group, (b) a polyfunctional monomer, (c) a binder polymer having a mass-average molecular weight of 20,000 to 200,000, (d) a polymerization initiator and (e) a sensitizing dye, and a method for producing the same. |
