| abstract |
A lithographic printing plate precursor comprising: a support; and an image-recording layer containing (A) a polymerization initiator, (B) a sensitizing dye, and (C) a polymerizable compound, and the image-recording layer or optionally The undercoat layer provided between the support and the image-recording layer contains (D) a polymer compound containing (a1) a repeating unit having a side chain having a structure represented by the following formula (a1-1) , and (a2) has formulas (a2-1), (a2-2), (a2-3), (a2-4), (a2-5) and (a2-6) as defined herein The repeating unit of the side chain of at least one structure. |