| abstract |
A perylene derivative as a pigment dispersant, and a pigment preparation using the same that overcomes the disadvantages of the prior art in terms of color, rheology and general applicability. A pigment preparation is a perylene derivative of the general formula (I), wherein the derivative is a pigment dispersant. (A is O, CH 2 or NR 1 (R 1 is H, aryl, alkyl, etc., Y is —CO 2 —, —CONR 2 —, —SO 2 NR 2 etc. (R 2 is H, arylalkyl, etc.) , X is a steric stabilizing and / or electrostatic stabilizing substituent, Z is an alkyl group, halogen or the like, n is an integer of 1 or more, and m is an integer of 0 or more.) [Selection diagram] None |