| abstract |
PROBLEM TO BE SOLVED: To provide a printing plate suitable for laser engraving, which is excellent in engraving sensitivity by laser light, has good rubber elasticity, is excellent in print image reproduction, and has a good working environment at the time of engraving. provide. A printing plate precursor for laser engraving for forming a printing plate by forming an image by irradiating a laser beam, comprising a printing layer, wherein the printing layer does not have photoreactivity. An original printing plate for laser engraving comprising a resin composition obtained by photoreacting a photosensitive resin composition mainly containing a rubber, an ethylenically unsaturated compound, and a photopolymerization initiator. |