| abstract |
Substituted acridine derivatives represented by general formula (I)n n (wherein R,, R 2 , R 3 , R 4 , R 5 , R 6 , R 7 , and R a each independently represents a hydrogen atom, an alkyl group, a substituted alkyl group, an aryl group, a substituted aryl group, a halogen atom or an alkoxy group, and Z 1 represents a six-membered heterocyclic aromatic group containing one or two nitrogen atoms in the ring and optionally having a 1 ~ 8C alkyl substituent or a quinolyl group) and a photopolymerizable composition containing 0.01 to 10 parts by weight of said derivative, 100 parts by weight of a photopolymerizable compound having a boiling point of 100°C or above under ordinary pressure and having at least one ethylenically unsaturated group, and 0 to 400 parts by weight of a thermoplastic organic polymer are disclosed. |