Process for forming metal oxide powders from the metal alkoxide

Details Process for forming metal oxide powders from the metal alkoxide Process for forming metal oxide powders from the metal alkoxide

1990-04-30

1991-06-11

Langel, Wayne A.

Chemistry of inorganic compounds

Oxygen or compound thereof

Metal containing

423339, 423593, 423598, 423600, 423608, 423625, 423636, 427 34, C01B 1332

Patent

active

050230719

ABSTRACT:
Metal oxide powders, which are chemically uniform and free-flowing, can be formed by dissolving a metal alkoxide in a non-polar organic solvent, adding water to the resulting composition and then emulsifying the blend of water and solvent containing the alkoxide to cause hydrolysis of the alkoxide. The hydrolysis reaction forms the desired metal oxide as a precipitate which can be recovered by a simple filtration process.

REFERENCES:
patent: 4619908 (1986-10-01), Cheng et al.
patent: 4636248 (1987-01-01), Ogata et al.
patent: 4732750 (1988-03-01), Olson et al.
Chemical Abstracts 108:58827g (1988).
Chemical Abstracts 104:134796p (1986).

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