Moldable/extrudable titanium dioxide particulates

Details Moldable/extrudable titanium dioxide particulates Moldable/extrudable titanium dioxide particulates

1989-06-30

1991-09-03

Straub, Gary P.

Chemistry of inorganic compounds

Oxygen or compound thereof

Metal containing

423611, 423612, 423615, 423616, C01G 2304

Patent

active

050453017

ABSTRACT:
Poorly crystallized or amorphous TiO.sub.2 particulates having a mean particle size greater than 20 nm are prepared by thermally hydrolyzing a titanium compound in solution, in the presence of at least one carboxylic acid containing a hydroxyl and/or amino group, or an organophosphoric acid; the TiO.sub.2 particulates thus produced are readily molded/extruded into useful shaped articles, e.g., catalysts or catalyst supports, having good porosity and mechanical properties.

REFERENCES:
patent: Re21693 (1941-01-01), Plechner et al.
patent: 1914557 (1933-06-01), Craver
patent: 2113946 (1938-04-01), Plechner et al.
patent: 2290922 (1942-07-01), Verduin
patent: 2519389 (1950-08-01), Mayer
patent: 4388288 (1983-06-01), Dupin et al.

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