| 摘要 |
PROBLEM TO BE SOLVED: To provide a positive-type photosensitive composition containing an o-naphthoquinonediazido compound, which is superior in contrast of image and non-image areas, ensuring high-contrast gradation and no blurring of a print by ink jet printing and having proper suitability to coating as a coating liquid, and to provide a positive-type photosensitive planographic printing plate using the composition. SOLUTION: The positive-type photosensitive composition contains (A) a compound containing an o-naphthoquinonediazido group, (B) an alkali-soluble resin and (C) a fluorine-containing surfactant having <=10 wt.% fluorine content. The positive-type photosensitive planographic printing plate is obtained, by forming a layer of the photosensitive composition on the surface of a substrate. |
