Patent ID: 6037405
Filing Date: 2000-03-14
Classification: B01F,C09B,C09D

Abstract:
A pigment dispersion comprising a pigment, a pigment dispersant, a nonaqueous solvent and optionally a binder resin;the pigment dispersion comprising as the pigment dispersant at least 0.2 part by weight of a modified novolak resin (A) relative to 100 parts by weight of the pigment,the modified novolak resin (A) containing at least one group represented by formula (1) ##STR33## wherein the oxygen atom at the left end is derived from an oxygen atom of a phenolic hydroxyl group of a novolak resin; W.sup.1 and X.sup.1 are independently each a divalent hydrocarbon group having 1 to 19 carbon atoms; i and j are an integer of 1 to 30 and an integer of 0 to 30, respectively, and satisfy the following conditions: i or j.gtoreq.2 and i+j.gtoreq.2; and R.sup.1 is a hydrogen atom or a methyl group.