| abstract |
Photosensitive composition and lithographic printing having no sensitivity variation, excellent adhesion to a support and scratch resistance, no banding phenomenon, high printing durability, and no need for an overcoat layer Provide the original version. An alkali-soluble copolymer (A) having a copolymer unit of a styrene unit and a vinyl cinnamate or vinyl vinyl butamate unit, a polymerizable compound (B), a polymerization initiator (C), and infrared rays It is a photosensitive composition characterized by containing an absorber (D). [Selection figure] None |