Red iron oxide pigments with improved coloring properties

Details Red iron oxide pigments with improved coloring properties Red iron oxide pigments with improved coloring properties

1986-03-24

1991-10-22

Yarbrough, Amelia Burgess

Compositions: coating or plastic

Materials or ingredients

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

106456, C09C 122

Patent

active

050592505

ABSTRACT:
Red iron oxide pigments with improved coloring properties wherein the isoelectric point of the pigments is greater than 7.

REFERENCES:
patent: 4373963 (1983-02-01), Uenishi et al.
patent: 4443264 (1984-04-01), Hund et al.
Kittaka, S., "J. Coll. and Interf. Sci.," 48, (1974) pp. 327-333.
Kittaka, S. and Morimoto, T., "J. Coll. and Int. Sci.," 75, (1980), pp. 398-403.
G. A. Parks, "The Isometric Point of Solid Oxides, Solid Hydroxides and Aqueous Hydroxo-Complex Systems, Chem. Rev.", 1965, 65.
H. Wagner, Pigments, p. 95, Stuttgart, West Germany, 1960.
H. Kittle, Farben-Lack- und Kunststuff-Lexikon, p. 380, Stuttgart, West Germany.
T. C. Patton, Pigment Handbook, vol. 1, pp. 329 and 347, N.Y., New York, 1974.

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