| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide a photosensitive composition excellent in storage stability, work efficiency and economical efficiency, adaptable to a CTP system, usable as an image recording material of a lithographic printing plate for scanning exposure having high sensitivity to an oscillation wavelength of an inexpensive short-wavelength semiconductor laser, and using a new photopolymerization initiation system having high sensitivity to various wavelengths of 350-850 nm. <P>SOLUTION: The photosensitive composition contains (A) a biimidazole type compound of a specific structure, (B) a sensitizing dye having an absorption maximum λ<SB>max</SB>at 350-850 nm and (C) an addition polymerizable compound which reacts with at least one of a radical and an acid. <P>COPYRIGHT: (C)2007,JPO&INPIT |
