| abstract |
Photopolymerizable elements are provided which comprise: (1) A support, (2) an addition polymerizable photosensitive layer, and (3) a solid, water-permeable, oxygen barrier protective layer, nonstrippable as an unsupported film, said layer covering the entire photosensitive layer and being coated from an aqueous solution of a water-soluble macromolecular organic polymer or copolymer, e.g., polyvinyl alcohol, having dispersed therein, finely divided solid particles of a water-insoluble chlorinated vinyl polymer or copolymer. |