| 摘要 |
PURPOSE:To obtain a damping waterless lithographic printing plate where the color blurring of a layer with the lapse of time is rare. CONSTITUTION:After a damping waterless photosensitive lithographic printing plate where a photosensitive layer and a silicone rubber layer are placed on a substrate in order is given image exposure, it is immersed in a developer containing <=4wt.% water insoluble organic solvent while rubbing it with a brush, causing the silicone rubber layer of the unexposed part to be removed. Then, it is immersed in dying liquid containing water as a main component and <=20wt.% organic solvent, causing a pattern part to be selectively dyed. This process is characteristic of the method of making a damping waterless lithographic printing plate. |
