| 摘要 |
A printing plate material for lithography showing superior balance of suitability for ink-jet printing and printability is provided. A printing plate material for lithography comprising a support and an image-receiving layer containing a binder resin and a matting agent and provided on the support is constituted so that a hydrophilic resin having an average degree of polymerization of 2500 or higher is contained as the binder resin, and a matting agent showing an oil absorption of 350 ml/100 g or larger is contained as the matting agent. It is also constituted so that, as the binder resin, 60% by weight or more of the hydrophilic resin having an average degree of polymerization of 2500 or higher is contained based on the total binder resin. It is also constituted so that, as the matting agent, 35 to 100 parts by weight of the matting agent showing an oil absorption of 350 ml/100 g or larger is contained for 100 parts by weight of the binder resin.
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