Process for the manufacture of a powder of mixed metal oxides, a

Details Process for the manufacture of a powder of mixed metal oxides, a Process for the manufacture of a powder of mixed metal oxides, a

1991-05-20

1992-10-06

Morris, Theodore

Chemistry of inorganic compounds

Oxygen or compound thereof

Metal containing

423608, 423 71, 423 85, 423 69, 423600, 423598, 423596, 423622, 106438, C01G 2502

Patent

active

051529742

ABSTRACT:
Process for the manufacture of a powder of mixed metal oxides by cohydrolysis of metal alcoholates in the presence of an acidic organic compound and mixed metal oxide powders in which the molar relationships R1 and R2 of a metal oxide to the sum of the metal oxides in the powder and in a particle of the powder are such that ##EQU1## The process applies especially well to powders of zirconia doped with yttrium oxide or other oxides.

REFERENCES:
patent: 4543341 (1985-09-01), Barringer et al.
Sakka, "Gel Method of Making Glass"; Treahse on Materials Science & Tech. vol. 22, pp. 129-233.
Better Ceramica Through Chemistry-Materials Research Society Symposia Proceedings, vol. 32, 1984, Elsevier Science Publishing Col., Inc. Bruce Fegley, et al. Synthesis, characterization, and processing of monosized ceramic powders, pp. 187-197.
"Ceramics", 1961, Reinhold Publishing Corp., p. 1.
KirkOthmer Encyclopedia of Chemical Technology, 3rd Ed., vol. 5, 1979; John Wiley & Sons, U.S.A. pp. 234-236.

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