Nuevos materiales para recubrimientos de planchas litográficas, planchas litográficas y recubrimientos que contienen los mismos, métodos de preparación y uso

摘要

This invention relates to iodonium salts, acetal copolymers and polymer binders comprising functional groups capable of undergoing cationic or radical polymerization, their method of preparation and their use in the preparation of coating solutions and coatings. This invention also relates to coatings containing the iodonium salts, acetal copolymers and/or polymer binders and to negative working lithographic printing plates comprising these coatings.