| 摘要 |
The positive-type planographic printing plate precursor of the invention comprises a support and a recording layer provided on the support, wherein the recording layer contains: a polymer compound having (a) a monomer represented by the following formula (1), (b) a monomer having an aliphatic group having 7 or more carbon atoms and having a bridge bond, and (c) monomer having an acid group as a copolymerization component; and an infrared-ray absorbing agent. The positive-type planographic printing plate precursor of the invention achieves both excellent developability and excellent inking property, as well as better image-forming property and a clear image.
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