Method of preparing grinding media consisting essentially of sin

Details Method of preparing grinding media consisting essentially of sin Method of preparing grinding media consisting essentially of sin

1997-07-03

2000-03-14

Lusignan, Michael

Coating processes

Particles, flakes, or granules coated or encapsulated

Inorganic base

427242, 4272553, 4273762, 427427, 106436, 106442, B05D 700, B05D 302, C23C 1640

Patent

active

06036999&

ABSTRACT:
This invention relates to methods of preparing grinding media consisting essentially of sintered titanium dioxide (TiO.sub.2) particles. The method involves preparing base TiO.sub.2 particles, coating the base TiO.sub.2 particles with at least one hydrous oxide, compressing the TiO.sub.2 particles, and granulating the TiO.sub.2 particles to form TiO.sub.2 particles having substantially rounded edges. The invention further encompasses the resulting grinding media prepared by such methods and to methods of using such grinding media in media-milling particulate material such as titanium dioxide pigments.

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Standard Test Method for Vickers Hardness of Metallic Materials, pp. 274-282, astm Designation E 92-82 Reapproved 1987.
Glen Mills, Inc, 395 Allwood Road, Clifton, NJ 07012, Titania-1 Data Sheet.

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