Method of manufacturing titanium dioxide powder

Details Method of manufacturing titanium dioxide powder Method of manufacturing titanium dioxide powder

1990-04-02

1991-03-12

Rosenberg, Peter D.

Chemistry of inorganic compounds

Oxygen or compound thereof

Metal containing

423609, 423610, C04B 3500

Patent

active

049991817

ABSTRACT:
A method of manufacturing titanium dioxide powder by hydrolysis of a titanium alcoholate, in which the titanium alcoholate is made to react with a 10M acetic acid aqueous solution and an aqueous ethanol solution under an N.sub.2 atmosphere, the precipitate consisting of titanium dioxide is separated from the liquid phase after a reaction time of 24 hours, the precipitate is rinsed with deionized water and subsequently with an aqueous ammoniacal solution having a pH value of 9, and the phases are separated.

REFERENCES:
patent: 4012338 (1977-03-01), Urwin
patent: 4166147 (1979-08-01), Lange et al.
patent: 4268422 (1981-05-01), Becker et al.
patent: 4286378 (1981-09-01), Micheli
patent: 4543341 (1985-09-01), Barringer et al.
patent: 4732750 (1988-03-01), Olson et al.
Chemical Abstract 77830, vol. 66, 1967.

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