| abstract |
This invention relates to a process for preparing conditioned organic pigments by(a) milling a mixture comprising:(1) one or more crude organic pigments;(2) at least about 0.1% by weight, relative to the organic pigment, of one or more acrylic copolymer dispersants; and(3) 0 to about 100 parts by weight, relative to the organic pigment, of a milling liquid in which the organic pigment is substantially insoluble; and(b) isolating the milled organic pigment. |