| 摘要 |
PURPOSE:To provide a composite material becoming the substrate of a planographic printing plate having a planographic printing layer containing a photosensitive silver halide emulsion layer, suitable for automatic printing and having bending properties. CONSTITUTION:A substrate is formed by applying a polymer film to the single surface of aluminum foil and a polyethylene terephthalate film layer is provided on the other surface of the substrate and a planographic printing layer containing a photosensitive silver halide emulsion layer is applied thereon to obtain a planographic printing plate. |
