PHOTOSENSITIVE COMPOSITION BASED ON A DIAZONIUM SALT POLYCONDENSATION PRODUCT AND PHOTOSENSITIVE RECORDING MATERIAL PREPARED FROM THIS COMPOSITION

摘要

Disclosed is a photosensitive composition which comprises a diazonium salt polycondensation product and, as the binder, a reaction product of an intramolecular anhydride of an organic polycarboxylic acid with a polymer containing hydroxyl groups, which does not contain any further functional groups which are capable of reaction with acid anhydrides. The composition is suitable for use in the production of printing plates and photoresists. It can be developed with neutral or alkaline aqueous solutions and yields printing plates having a good ink receptivity and producing large print runs.