Pigment composition and aqueous pigment dispersion prepared ther

Details Pigment composition and aqueous pigment dispersion prepared ther Pigment composition and aqueous pigment dispersion prepared ther

1998-11-17

2000-05-02

Green, Anthony

Compositions: coating or plastic

Materials or ingredients

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

106410, 106493, 106494, 106495, 106496, 106497, 106498, 106499, C09B 4704, C08K 534, C08K 500

Patent

active

060568143

ABSTRACT:
The present invention provide a pigment composition and a method for producing same at low cost, which has the same or more excellent quality compared with those produced by a salt milling process which has been commonly used. The pigment composition is produced by dry-milling a pigment in the presence of a surfactant and a water-soluble resin, said surfactant and said water-soluble resin being contained in amounts of 1 to 20% by weight and 2 to 50% by weight respectively based on an amount of the pigment. The pigment composition according to the present invention is readily dispersed into an aqueous system to obtain an aqueous pigment dispersion.

REFERENCES:
patent: 4104277 (1978-08-01), Langley
patent: 4298526 (1981-11-01), Sappok et al.
patent: 4371642 (1983-02-01), Jaffe
patent: 4431806 (1984-02-01), Spietschka et al.
patent: 4478968 (1984-10-01), Jaffe
patent: 4548968 (1985-10-01), Jaffe
patent: 5275653 (1994-01-01), Dietz et al.
patent: 5964929 (1999-10-01), Langley et al.
Abstract of JP 55075453, Jun. 1980.
Abstract of JP 09188845, Jul. 1997.
Abstract of JP 092217019, Feb. 1996.

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