Hydrophilic treatment of pigments

Details Hydrophilic treatment of pigments Hydrophilic treatment of pigments

1996-10-08

1999-02-02

Bell, Mark L.

Compositions: coating or plastic

Materials or ingredients

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

C09C 122

Patent

active

058658858

ABSTRACT:
A surface coordinating agent is allowed to contact an aqueous slurry of transition metal-containing pigment particles to increase the hydrophilicity of the surface of such particles. The modified pigment particles disperse easily in a wide variety of solvents, and provide stable, dispersions having a small mean pigment particle size and narrow particle size distribution.

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patent: 5420317 (1995-05-01), Laufenberg et al.
patent: 5501732 (1996-03-01), Neidenzu et al.
PCT Search Report, Dec. 10, 1996, (GB 96/02415).
Hawley's Condensed Chemical Dictionary, 11.sup.th ed. pp. 695 and 838, Van Nostrand, NY, 1987 (no month).
Hyperdispersants, Schofield, J.D., Surface Coatings Institute (JOCCA), 74(6), pp. 204, 206-10, Jun. 1991.
A Model for Organic pigments in Oil or Water-Based Printing Inks, Hays, B.G., Am. Ink Maker, v. 64, pp. 13-21, Oct. 1986.

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