| 摘要 |
PROBLEM TO BE SOLVED: To provide a photosensitive resin letterpress printing original plate that is increased in performance by achieving both the print quality of fine characters and the printing durability.SOLUTION: A photosensitive letterpress printing original plate is constituted by laminating at least (A) a support, (B) a photosensitive resin layer, and (C) a thermosensitive mask layer in order, and (D) an interlayer composed of a water-soluble cellulose derivative is provided between (C) the thermosensitive mask layer and (B) the photosensitive resin layer. |
