| 摘要 |
An objective is to provide a planographic printing plate material exhibiting excellent developability, printing durability, together with excellent oxygen-shielding layer adhesion and moisture dependence after exposure. Disclosed is a planographic printing plate material possessing a support provided thereon, a photosensitive layer, wherein the photosensitive layer comprises (A) at least two binder polymers comprising different glass transition points (Tg) from each other, (B) a polymerizable ethylenic double bond-containing compound, and (C) a photopolymerization initiator.
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