| 摘要 |
PURPOSE:To provide a photosensitive compsn. capable of forming a photosensitive planographic printing plate having high sensitivity, excellent in development stability and printing resistance and preventing the thinning of the image area during development and the scuffing of the resulting image. CONSTITUTION:This photosensitive compsn. contains a diazonium compd., an alkali-soluble high molecular compd. and 40-95wt.% polyurethane resin having a structure represented by the formula. |
