| 摘要 |
PURPOSE:To obtain the photosensitive planographic printing plate which is capable of alkaline developing and excellent in inking property and printing durability. CONSTITUTION:The negative photosensitive composition containing the diazo resin (a) whose twin anion is an inorg. acid anion or the aliphat. or arom. org. acid anion having <=3C, the diazo resin (b) whose twin anion is an inorg. acid anion or the aliphat. or arom. org. acid anion having !4 6C and a binding agent is dissolved into a coating solvent containing 10-100wt.% 1-methoxy-2- propanol, and applied on the supporting body having a hydrophilic surface and dried. |
