| abstract |
This invention relates to perylene pigment compositions containing a reactive co-precipitated blend of n (1) about 75 to about 99.9 mol %, relative to the pigment composition, of a compound having the formula (I) n wherein n R is hydrogen, C 1 -C 6 alkyl, C 5 -C 8 cycloalkyl, C 7 -C 6 aralkyl, or C 6 -C 10 aryl, n A is C 1 -C 6 alkyl, C 1 -C 6 alkoxy, a sulfonyl group, amino, ammonium, hydroxy, nitro, or halogen, and n m is zero or a number from 1 to 8; and n (2) about 0.1 to about 25 mol %, relative to the pigment composition, of a perylene dicarboxamidine imide having the formula (II) n wherein n W is optionally substituted or modified C 2 -C 3 alkylene, and n R, A, and m are defined as above. |