Spherical titanium dioxide particles and process of manufacture

Details Spherical titanium dioxide particles and process of manufacture Spherical titanium dioxide particles and process of manufacture

1978-06-19

1980-12-23

Hearn, Brian E.

Chemistry of inorganic compounds

Oxygen or compound thereof

Metal containing

423612, 423613, 252305, C01G 23047

Patent

active

042410428

ABSTRACT:
Titanium dioxide, in the form of discrete, solid substantially spherical particles of a substantially uniform shape and size, is obtained by providing an aerosol comprising discrete liquid particles of a hydrolyzable titanium compound, contacting the aerosol with water vapor in dynamic flow to hydrolyze the liquid titanium (IV) compound to titanium dioxide, and recovering the desired product.

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Espenscheid et al., "Logarithmic Distribution Functions for Colloidal Particles", Journal of Physical Chemistry, 68, (1964), pp. 3093-3097.
Matijevic et al., "Preparation and Mechanism of Formation of Titanium Dioxide Hydrosols of Narrow Size Distribution", Journal of Colloid and Interface Science, vol. 61, No. 2, Sep. 1977, pp. 302-311.
McRae et al., "Chemical Reactions in Aerosols", Journal of Colloid and Interface Science, vol. 53, No. 3, pp. 411-421.

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