| 摘要 |
<p>Binary pigment composition from 3,6-bis-(4-chloro-phenyl)-2,5-dihydro-pyrrolo[3,4-c]pyrrole-1,4-dione (I) and pyrrolo[3,4-c]pyrrole-1,4-dione compound (II), is claimed, where the average particle size of the composition is 10-60 nm, less than 5 vol.% of the particles exhibit greater than 70 nm, and the mass ratio of (I) to (II) is 99.5 to 0.5-80 to 20. Binary pigment composition from 3,6-bis-(4-chloro-phenyl)-2,5-dihydro-pyrrolo[3,4-c]pyrrole-1,4-dione (I) and pyrrolo[3,4-c]pyrrole-1,4-dione compound of formula (II), is claimed, where the average particle size of the composition is 10-60 nm, less than 5 vol.% of the particles exhibit greater than 70 nm, and the mass ratio of (I) to (II) is 99.5 to 0.5-80 to 20. X : OH, F, Cl, Br, CN, CF 3, nitro, 1-8C-alkyl, 5-7C-cycloalkyl, 2-8C-alkenyl, 1-8C-alkoxy, phenyl or benzyl; and n : 0-4, preferably 0. Independent claims are included for the preparations of a pigment composition comprising mixing C.I. Pigment Red 254 with (II) during and/or after fine distribution, preferably salt kneading (preferred) or pearl milling, or mixing (I) and (II), before, during or after, dispersing or finish treating with one or more a sulfo group containing pigment dispersant of formula ([Q](S(=O) 2-N(R 3>0>)(R 4>0>)) s(S(=O) 2-O ->G +>) n) (IV) and/or unlacquered, sulfo group containing monoazo dye. Q : a residue of an organic pigment of perinone-, quinacridone-, quinacridone quinone-, anthanthrone-, indanthrone-, dioxazine-, diketopyrrolopyrrole-, indigo-, thioindigo-, thiazine indigo-, isoindoline-, isoindolinone-, pyranthrone-, isoviolanthrone-, flavanthrone- or anthrapyrimidine pigment; either s : 1-5; and n : 0-4; or s+n : 1-5, where s is greater than n; R 3>0>optionally saturated, aliphatic 1-20C-hydrocarbon, 5-7C-cycloalkyl, an araliphatic or aromatic residue with 1-3 aromatic rings, where the rings are condensed or optionally connected by a bond, or a heterocyclic residue with 1-3 rings containing 1-4 heteroatoms of O, N or S (all optionally substituted by 1-4 substituents of OH, CN, F, Cl, Br, NO 2, CF 3, 1-6C-alkoxy, S-1-6C-alkyl, NHCONH 2, NHC(NH)NH 2, NHCO-1-6C-alkyl, 1-6C-alkyl, COOR 5>, CONR 5>R 6>, NR 5>R 6>, SO 3R 5>, SO 2-NR 5>R 6>, SO 3->E1 +>or COO ->E1 +>); R 5>, R 6>H, phenyl or 1-6C-alkyl; R 4>0>H or R 3>0>; E1 +>, G +>H +>, equivalent M(p +>)/m of a metal cation (M(p +>)) from 1-5 main group or from 1 or 2, 4-8 subgroup of the chemical elements, or optionally substituted ammonium ion; and m, p : 1-3. [Image].</p> |
