Method of Forming Exposure Visualization Image of Planographic Printing Plate Material, Aluminum Support, and Planographic Printing Plate Material

摘要

An objective is to provide a method of forming an exposure visualization image of a planographic printing plate material in which printing of the planographic printing plate material is capable of on-press printing, and also provided excellent plate inspection together with excellent color reproduction and excellent printing durability. Disclosed is a method of forming an exposure visualization image of a planographic printing plate material possessing the step of imagewise exposing the planographic printing plate material possessing an aluminum support having anodization film pores on a surface of the aluminum support and provided thereon, an image formation layer to form the visualization image, wherein the aluminum support posseses a colorant producing color change via heat, in the anodization film pores.