Photosensitive printing plate developed by a peel-apart process

摘要

A method for producing a press-ready lithographic printing plate which comprises: (A) providing an uncoated lithographic substrate; (B) coating a photosensitive layer on one side of the lithographic substrate; (C) providing a flexible substrate; (D) coating an adhesive layer directly on the flexible substrate; (E) laminating the coated lithographic substrate to the coated flexible substrate; (F) imagewise exposing the laminated element of (E) to radiation to which the photosensitive layer is sensitive; and (G) peeling off the flexible substrate along with the nonimage areas of the photosensitive layer, leaving the press-ready image areas of the colored photosensitive layer and the adhesive layer on the lithographic substrate.