MANUFACTURE OF MULTI-LAYER PLANAR PHOTOSENSITIVE RECORDING MATERIAL AND PHOTOPOLYMERIZED PRINTING PLATE OR RELIEF PLATE AND PHOTORESIST

摘要

PURPOSE: To obtain a novel multilayered flat planar photosensitive recording material suitable for forming a relief plate by incorporating specific ratios of compds of a group of specific third amine and third amide into a coating layer. CONSTITUTION: The recording material is formed by incorporating 1 to 20wt.% compd. from the third amine and third amide expressed by formula I by the total weight of the coating layer into the coating layer. In the formula I, R denotes 12 to 16C alkyl group, 18C alkenyl group 12, to 18C alkane carbonyl group or 18C alkene carbonyl group; n denotes an integer of 1 to 15; m denotes an integer of 1 to 15. As a result, the coating of a photosensitive relief forming layer with the light transparent coating layer having a uniform thickness is made possible. The exposure of the relief forming layer according to its image is not impaired and further, the sepn of the exposed relief forming layer from the relief layer photopolymerized at the time of development is made possible.