Patent ID: 6503691
Filing Date: 2003-01-07
Classification: B41C

Abstract:
A printing plate precursor comprising a substrate having coated thereon a dried layer that becomes less hydrophilic upon exposure to radiation that effects crosslinking in the layer, the layer comprising a mixture of a crosslinkable polymer and a crosslinkable metal salt wherein the metal salt is selected from the class consisting of metal salts of sulfamide, sulfanylamide, acetosulfamine, sulfathiazole, sulfadiazine, sulfamerazine, sulfamethoxazole, sulfamethazine, sulfaisoxazole, homosulfamine, sulfisomidine, sulfaguanidine, sulfamethizole, sulfapyridine, phthalisosulfathiazole and succinylsulfathiazole and the substrate comprises aluminum.