| abstract |
A compound that can improve azo pigment dispersibility in a non-water-soluble solvent. The compound is represented by formula (1): n n n n n n n n n n n n wherein R 1 to R 4 represent hydrogen or halogen; R 5 to R 9 represent hydrogen, COOR 17 or CONR 18 R 19 , and at least one of R 5 to R 9 represents COOR 17 or CONR 18 R 19 , where R 17 to R 19 represent hydrogen or an alkyl group having 1 to 3 carbons; R 10 represents an alkyl group having 1 to 6 carbons or a phenyl group; R 11 to R 15 represent a hydrogen, L 1 R 20 or L 2 R 21 R 22 , and at least one of R 11 to R 15 represents L 1 R 20 or L 2 R 21 R 22 , where L 1 represents a divalent linking group, L 2 represents a trivalent linking group, and R 20 to R 22 represent an alkyl group having 8 or more carbons or an alkenyl group having 8 or more carbons; and R 16 represents an alkyl group having 1 to 6 carbons or a phenyl group. |