Method for preparation of lithographic printing plate and lithographic printing plate prepared thereby

摘要

A method for the preparation of a lithographic printing plate comprises exposing imagewise a lithographic printing plate precursor comprising a support having provided thereon a light-sensitive layer containing fine anatase-type titanium oxide grains and a complex composed of an organo-metallic polymer and an organic polymer containing at least one member selected from the group consisting of an amido bond, a urethane bond, a ureido bond and a hydroxy group to an ultraviolet ray to render a surface of the light-sensitive layer hydrophilic in the exposed area. A lithographic printing plate prepared according to the method is also disclosed.