Production of pigment of the formula catizr3o9

Details Production of pigment of the formula catizr3o9 Production of pigment of the formula catizr3o9

C - Chemistry, Metallurgy

01

G

400/1, 6/193, 23

C01G 25/02 (2006.01) C01G 25/00 (2006.01) C08K 3/22 (2006.01) C09C 1/36 (2006.01)

Patent

CA 1058381

PRODUCTION OF PIGMENT OF THE FORMULA CaTiZr3O9 Abstract of the Disclosure Novel crystalline compounds, particularly useful as pigments, having a composition corresponding to the formula CaTiZr3O9 and distinctive x-ray diffraction patterns. One such compound can be produced only by calcining, at a temperature of at least 600°C. and preferably from about 800°C. to about 1000°C., a chemically homogeneous conglomerate which consists essentially of Ca, Ti, Zr, and O and at least one thermally fugitive ligand per atom of metal present. The Ca, Ti and Zr are preferably in the atomic ratios of 1:1:3 and oxygen is present in the amount necessary to form the highest oxides of the three metals. Chemically homogeneous conglomerates suit- able for the production of such compound are obtainable by coprecipitation or by the evaporation of solutions.

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