Titanium dioxide particles having substantially discrete inorgan

Details Titanium dioxide particles having substantially discrete inorgan Titanium dioxide particles having substantially discrete inorgan

1997-05-08

1999-03-23

Morgan, Kriellion S.

Synthetic resins or natural rubbers -- part of the class 520 ser

Synthetic resins

Processes of preparing a desired or intentional composition...

1062864, 10628719, 106436, 106442, 106444, 106449, C08K 716, C09C 136

Patent

active

058860690

ABSTRACT:
The present invention relates to TiO.sub.2 pigments having TiO.sub.2 particles with substantially discrete inorganic particles dispersed on the surfaces of the TiO.sub.2 particles. Suitable inorganic particles include silica, calcium carbonate, and mixtures thereof. The substantially discrete inorganic particles have an average diameter size within the range of about 5 to about 50 nm and are dispersed on the surfaces of the TiO.sub.2 particles in an amount of less than 20 wt. % based on total pigment weight. This invention also includes coating compositions containing these pigments and processes for making these pigments.

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