Preparation of transparent golden yellow, thermally stable two-p

Details Preparation of transparent golden yellow, thermally stable two-p Preparation of transparent golden yellow, thermally stable two-p

1985-03-27

1986-12-16

Lieberman, Paul

Compositions: coating or plastic

Coating or plastic compositions

Carbohydrate or derivative containing

106304, 106309, C04B 1400

Patent

active

046295135

ABSTRACT:
Transparent, golden yellow, thermally stable two-phase pigments of the general formula xZnO.ZnFe.sub.2 O.sub.4, where x is from 0.5 to 1.5, are prepared by a method in which the pH of an aqueous phase which contains transparent iron oxide yellow in suspension and zinc ions in solution is brought to 7-10, and the product is treated at above 200.degree. C. before or after being isolated from the aqueous phase.

REFERENCES:
patent: 3918985 (1975-11-01), Ebenhoech et al.
patent: 4292294 (1981-09-01), Patil et al.
patent: 4374677 (1983-02-01), Senda et al.
patent: 4376656 (1983-03-01), Senda et al.

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