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(11) | EP 2 471 654 A3 |
| (12) | EUROPEAN PATENT APPLICATION |
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| (54) | Lithographic printing plate precursor, plate making method thereof and lithographic printing method thereof |
| (57) A lithographic printing plate precursor includes: an image-recording layer containing
a thermoplastic polymer fine particle, an infrared absorbing agent and a polymer compound;
and a support having a hydrophilic surface, and the polymer compound has a star-like
shape in which a main chain is branched to three or more branches and the branched
main chains have a hydrophilic group in a side chain of the branched main chain.
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