Process for preparing improved TIO.sub.2 by silicon halide addit

Details Process for preparing improved TIO.sub.2 by silicon halide addit Process for preparing improved TIO.sub.2 by silicon halide addit

1995-06-23

1996-10-08

Marcantoni, Paul

Compositions: coating or plastic

Materials or ingredients

Pigment, filler, or aggregate compositions, e.g., stone,...

423612, 423613, C09C 136

Patent

active

055627641

ABSTRACT:
A process for producing substantially anatase-free TiO.sub.2 by addition of a silicon halide in a reaction of TiCl.sub.4 and an oxygen-containing gas in a plug flow reactor is disclosed. Pigmentary properties such as gloss and CBU are enhanced without loss of durability.

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