Pigmentary material

Details Pigmentary material Pigmentary material

1996-09-23

1998-07-14

Bell, Mark L.

Compositions: coating or plastic

Materials or ingredients

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

106403, 423604, 423608, 501102, 501103, C08K 300

Patent

active

057797846

ABSTRACT:
A pigmentary material comprises silver in a lattice of crystalline zirconia, which material contains at least 0.4% by weight of the silver. A process for preparing a pigmentary material comprising silver in a lattice of crystalline zirconia comprises calcining a zirconium component which yields the zirconia, and a silver component which yields the silver, forming a calcination mixture of the resultant zirconium and silver moieties and cooling the mixture, the weight of fluoride compound in the total weight of the components to be calcined being less than 6%.

REFERENCES:
patent: 3046151 (1962-07-01), Iliff
patent: 4443265 (1984-04-01), Fischer et al.
patent: 4874433 (1989-10-01), Kiss et al.
patent: 5228910 (1993-07-01), Joyce et al.
patent: 5252125 (1993-10-01), Speer et al.
"Coloring of Plastics" edited by Thomas G. Webber, published by date!.
DCMA, "Classification and Chemical Description of the Complex Inorganic Color Pigments", Third Edition, 1991, published by Dry Color Manufacturers' Association, index pp. 39&40 and definitions of 39 inorganic pigments (No Month).

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