| abstract |
A photopolymerizable composition comprising i) an addition polymerizable compound having an ethylenically unsaturated double bond, ii) a sensitizing dye represented by the following formula (I) and iii) a titanocene compound: wherein A1 and A2 each represents a carbon atom or a hetero atom, Q1 represents a nonmetallic atom group necessary for forming a heterocyclic ring together with A1, A2 and the carbon atoms adjacent thereto, R1 and R2 each represents a hydrogen atom, an alkyl group or an aryl group and R1 and R2 may be combined with each other to form a ring, X1 and X2 each represents a cyano group or a substituted carbonyl group and X2 and X2 may be combined with each other to form a ring, and n represents 0, 1 or 2. |