Azo dispersing agents and azo pigment compositions

Details Azo dispersing agents and azo pigment compositions Azo dispersing agents and azo pigment compositions

1989-12-12

1991-09-24

Lee, Mary C.

Compositions: coating or plastic

Materials or ingredients

Pigment, filler, or aggregate compositions, e.g., stone,...

106 23, 106402, 106496, 534573, 534739, 534749, 534743, 534747, 534750, 534841, 534842, 534868, 534874, 534875, C09B 2915, C09B 2933, C09B 6720, C09D 1102

Patent

active

050511319

ABSTRACT:
An azo pigment composition which forms a dispersion having high tinting strength and excellent clearness, transparency, fluidity and storage stability, and which is formed from a coupling reaction between a diazo component and a coupler component, and contains a compound represented by formula (I) ##STR1## wherein Q represents a diazo or coupler component moiety, A represents a divalent bonding group selected from a class consisting of --CONR'--, SO.sub.2 NR'--, --CH.sub.2 NH-- and --CH.sub.2 NHCOCH.sub.2 NH-- in which R' represents a hydrogen atom, alkyl group having 1 to 20 carbon atoms or aryl group,

REFERENCES:
patent: 4664709 (1987-05-01), Castenson

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