Pigment composition and its use

Details Pigment composition and its use Pigment composition and its use

1992-02-19

1993-09-28

Bell, Mark L.

Compositions: coating or plastic

Materials or ingredients

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

106 30R, 106496, 106500, C09B 6300

Patent

active

052483355

ABSTRACT:
A pigment composition which shows a low viscosity even when prepared into a high-concentration dispersion and is therefore free from a decrease in gloss and tinting strength, the composition containing 100 parts by weight of a monoazo lake pigment obtained from .beta.-oxynaphthoic acid or .beta.-naphthol as a coupler component and an aromatic diamine having a water-soluble group as a diazo component, and 0.3 to 20 parts by weight of at least one compound selected from the group consisting of compounds of the formulae (1), (2) and (3), ##STR1## wherein X is independently a halogen atom, an alkyl group having 1 to 4 carbon atoms, an alkoxy group having 1 to 4 carbon atoms, carboxyl, a nitro group, an amino group or hydroxyl, and n is an integer of 0 to 7; and a pigment dispersion containing the above pigment composition.

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