Process for the post-treatment of titanium dioxide pigments

Details Process for the post-treatment of titanium dioxide pigments Process for the post-treatment of titanium dioxide pigments

1975-12-05

1977-09-27

Garvin, Patrick P.

Compositions: coating or plastic

Materials or ingredients

Miscellaneous

427213, 427215, 427255, C09C 136

Patent

active

040509516

ABSTRACT:
Titanium dioxide is post-treated by flowing it in a tubular zone as a suspension in a stream of carrier gas, injecting a gaseous stream of halides of Si, Ti and Al in said stream and then steam in the resulting mixture, once the latter is homogenized.

REFERENCES:
patent: 3537870 (1970-11-01), Grohmann
patent: 3552995 (1971-01-01), Powell
patent: 3640744 (1972-02-01), Dietz et al.
patent: 3914473 (1975-10-01), Hale

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