LITHOGRAPHIC PRINTING PLATE, MATERIAL FOR LITHOGRAPHIC PRINTING PLATE, SUPPORT FOR LITHOGRAPHIC PRINTING PLATE MATERIAL, AND METHOD OF LITHOGRAPHIC PRINTING

摘要

A lithographic printing plate having an image area and a nonimage area on a support, characterized in that the nonimage area contains a water-soluble phosphobetaine compound. There is provided a material for lithographic printing plate that is appropriate in on-press developability and thermostability, producing a lithographic printing plate excelling in plate life, chemical resistance and stain prevention at printing restart; and provided a lithographic printing plate excelling in plate life, chemical resistance and stain prevention at printing restart.