Bismuth vanadate pigments, a process for their preparation and t

Details Bismuth vanadate pigments, a process for their preparation and t Bismuth vanadate pigments, a process for their preparation and t

1991-12-09

1993-04-20

Group, Karl

Compositions: coating or plastic

Materials or ingredients

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

106451, C04B 1400

Patent

active

052039170

ABSTRACT:
Bismuth vanadate pigment in the form of the tetragonal crystal structure of Scheelite useful in coloring lacquers and synthetic plastics or resins containing 0.1 to 0.3 mol ZrO.sub.2 (per mol of BiVO.sub.4) is prepared by heat treating mixed precipitates of aqueous solutions of bismuth, vanadate and zirconium salts, followed by washing, drying and grinding to pigment fineness.

REFERENCES:
patent: 4752460 (1988-06-01), Herren
patent: 4937063 (1990-06-01), Sullivan
patent: 5123965 (1992-06-01), Herren et al.

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