Continuous wet treatment process to prepare durable, high gloss

Details Continuous wet treatment process to prepare durable, high gloss Continuous wet treatment process to prepare durable, high gloss

1998-07-02

1999-11-30

Koslow, C. Melissa

Compositions: coating or plastic

Materials or ingredients

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

106446, C09C 136

Patent

active

059935332

ABSTRACT:
A process is provided to prepare durable, high gloss titanium dioxide pigments by a continuous wet treatment process which involves curing of a silica coating at pH of between 7.0 and 8.5. Pigment prepared in this fashion is substantially free from Al(OH).sub.3 impurities and has excellent performance properties in high quality latex paint formulations.

REFERENCES:
patent: 4125412 (1978-11-01), West
patent: 5041162 (1991-08-01), Brand

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