| abstract |
A dry presensitized planographic plate composed of a support having coated thereon one or two layers of (a) a silicone rubber, (b) a photosensitive azide compound, (c) a cyclized rubber, and (d) a copolymer of vinylidene chloride and acrylonitrile, the uppermost layer, when the planographic plate has two layers, containing at least the component (a) and (b) and the lower layer containing at least the component (c). |