| abstract |
A coloring composition having higher heat resistance as compared with the conventional coloring composition, including a compound represented by general formula (1), and a polymer having a monomer unit derived from the compound. n n(wherein R 1 to R 4 each independently represent a hydrogen atom, an alkyl group; R 7 represents a hydrogen atom or a methyl group; R 8 and R 9 each independently represent a hydrogen atom or an alkyl group; Y represents a nitrogen atom or a group represented by formula (1-1):n n nA 1 represents an alkylene group having at least one group selected from —O—, —OCO—, —COO—, —NHCO—, —CONH—, —NHCONH— and an arylene group in the chain; A 2 represents —NH— or —O—; An − represents an anion containing an aryl group having an electron-withdrawing substituent; n represents an integer of 0 to 3; R 8 and R 9 may form a cyclic structure of a 5 to 6 membered ring together with —N—(CH 2 ) n —Y— bonding thereto.) |