| 摘要 |
A photosensitive composition comprising, (A) an oligomer or polymer containing at least one carboxylic acid group in the molecule and having a molecular weight of 200'000 or less; (B) at least one photoinitiator compound of formula I wherein R<SUB>1 </SUB>is linear or branched C<SUB>1</SUB>-C<SUB>12</SUB>alkyl; R<SUB>2 </SUB>is linear or branched C<SUB>1</SUB>-C<SUB>4</SUB>alkyl; R<SUB>3 </SUB>and R<SUB>4 </SUB>independently of one another are linear or branched C<SUB>1</SUB>-C<SUB>8</SUB>alkyl; and (C) a monomeric, oligomeric or polymeric compound having at least one olefinic double bond, is especially suitable for preparting photoresists, in particular color filters. |
