| 摘要 |
PIGMENT DISPERSING AGENT The invention provides a pigment dispersing agent being a product obtained by reacting a component A of an amine compound having one or more active hydrogen atom per one molecule and a weight average molecular weight of 60~30,000 with at least one component B represented by the following general formula (I), (II) or (III) : (I) (II) (III) ¢wherein R1 is an alkyl group having a carbon number of 1~20 or a residue of aromatic monocarboxylic acid, R2 is a phenyl group, an alkyl group having a carbon number of 5~19, -CH2-O-?-R6 group (R6 is an alkyl group or an aromatic group having a carbon number of 3~17) or -CH2-O-R7 group (R7 is an alkyl group or an aromatic group having a carbon number of 4~18), R3 is a residue of acid anhydride having a carbon number of 2~6, R4 is an alkylene group having a carbon number of 1~7, R5 is a residue of saturated aliphatic, alicyclic or aromatic monoalcohol having a carbon number of 1~18, X is a residue of saturated aliphatic alicyclic or aromatic diisocyanate having a carbon number of 6~20, each of n, e and p is an integer of 1~200, and m is an integer of 0~100 provided that 0?m/n, m/?, m/p?0.5!, and a pigment dispersing agent being a product obtained by reacting the above reaction product with a component C of a polyisocyanate compound having two or more isocyanate groups. |
