A radiation sensitive imaging element and a method for producing lithographic plates therewith

摘要

According to the present invention there is provided a radiation sensitive imaging element comprising on a hydrophilic surface of a lithographic base an image forming layer comprising (1) an alkali soluble or swellable resin having a phenolic hydroxy group, (2) a latent Bronsted acid, and (3) an infrared absorber, characterized in that said image forming layer comprises an amino crosslinking agent.