| abstract |
PROBLEM TO BE SOLVED: To provide a photosensitive lithographic printing plate having high sensitivity and excellent workability, economy, printing durability, stain resistance and storage stability. A photosensitive layer is provided on a hydrophilic support, and the photosensitive layer comprises: (A) a low molecular weight compound having a molecular weight of less than 1,000, having at least two ethylenically unsaturated bonds capable of addition polymerization and having at least one carboxyl group; (B) a polymerization initiator, and (C) A photosensitive lithographic printing plate comprising a polymer compound having a weight average molecular weight of 1,000 or more that is insoluble in water and soluble in an alkaline aqueous solution. [Selection figure] None |