| 摘要 |
A photopolymerizable sensitive material which comprises a support, a photopolymerizable sensitive layer comprising (A) an addition polymerizable compound having at least one ethylenically unsaturated bond, (B) a photopolymerization initiator to be activated by active light rays and (C) a polymer binder, formed on the support, and a protective layer formed thereon, wherein said protective layer comprises at least (a) a polyvinyl alcohol and/or a polyvinyl alcohol derivative, and (b) a polyvinyl pyrrolidone having a weight average molecular weight of from 20,000 to 500,000 and/or a vinyl pyrrolidone copolymer containing at least 50 mol% of vinyl pyrrolidone as a copolymer component and having a weight average molecular weight of from 10,000 to 400,000, and the proportion of component (a) in the total amount of components (a) and (b) is from 25 to 75 wt%. |
