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

1989-06-26

1990-05-29

Stoll, Robert L.

Chemistry of inorganic compounds

Oxygen or compound thereof

Metal containing

423596, 423598, 423599, 423600, 423275, C01F 100, C01G 102

Patent

active

049294369

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 R.sub.1 and R.sub.2 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 to powders of zirconia doped with yttrium oxide.

REFERENCES:
patent: 4543341 (1985-09-01), Barringer et al.
Sakka, "Gel Method of Making Glass" Treatise on Materials Science and Tech., vol. 22, pp. 129-223.
Better Ceramics 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.
Kirk Othmer Encyclopedia of Chemical Technology--Third Edition, vol. 5--1979; John Wiley & Sons, U.S.A., pp. 234-236.

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