| 摘要 |
An azo pigment composition which forms a dispersion having high tinting strength and excellent clearness, transparency, fluidity and storage stability, and which is formed from a coupling reaction between a diazo component and a coupler component, and contains a compound represented by formula (I) <IMAGE> (I) wherein Q represents a diazo or coupler component moiety, A represents a divalent bonding group selected from a class consisting of -CONR'-, SO2NR'-, -CH2NH- and -CH2NHCOCH2NH- in which R' represents a hydrogen atom, alkyl group having 1 to 20 carbon atoms or aryl group, each of R1, R2, R3 and R4 represents a hydrogen atom, alkyl group having 1 to 20 carbon atoms or alkenyl group having 2 to 20 carbon atoms, and R3 and R4 together may form a hetero ring, each of n, k and p independently represents an integer of 2 or 3, m represents an integer of 1 or 2, and each of q and r represents an integer of 0 to 7 provided that q+r represents an integer of 0 to 7 provided that when Q represents the diazo component moiety, the amount of the compound of formula (1) is 0.1 to 30% by weight based on the diazo component, and when Q represents the coupler component, the amount of the compound of formula (I) is 0.1 to 30% by weight based on the coupler component.
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