| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide a photosensitive lithographic printing plate material suitable for exposure with laser light of which the emission wavelength is particularly in a range of 350-450 nm, having high sensitivity and excellent in dot reproducibility. <P>SOLUTION: The photosensitive lithographic printing plate material has, on a support, a photosensitive layer containing (A) a polymerization initiator, (B) a polymerizable compound containing an ethylenic double bond, (C) a sensitizing dye and (D) a polymer binder, wherein the photosensitive layer contains a compound represented by the general formula (1): Q-(I)<SB>n</SB>(wherein I represents formula I<SB>1</SB>or I<SB>2</SB>) and contains a biimidazole compound as the polymerization initiator (A). <P>COPYRIGHT: (C)2008,JPO&INPIT |
