| 摘要 |
PURPOSE:To obtain a positive type photosensitive composition for the printing plate capable of enhancing sensitivity without adversely affecting important characteristics such as development allowance by incorporating a specified additive. CONSTITUTION:This positive type photosensitive composition for the printing plate contains an o-quinonediazido compound or a diazonium salt, and further the compound represented by formula I in which each of R1 is H, OH, halogen, alkyl, alkoxy, alkenyl, aryl, aralkyl, arylcarbonyl, acyloxy, acyl, or aroxy; R2 is H, halogen, hydroxy, alkyl, or carboxy, each independent of each other; and each of (m) and (n) is an integer between 1 and 4. |
