Use of surfactants in processing abrasive pigments

Details Use of surfactants in processing abrasive pigments Use of surfactants in processing abrasive pigments

1992-11-03

1993-08-03

Bell, Mark L.

Compositions: ceramic

Ceramic compositions

Clay containing

1621815, 1621818, 106447, 106487, C04B 3304

Patent

active

052328813

ABSTRACT:
The present invention provides a simple inexpensive means to decrease the abrasivity of abrasive pigments such as calcined kaolin and titania. In accordance with this invention, a trace of a nonionic surfactant of the general formula ##STR1## is incorporated with abrasive pigment prior to or during the preparation of an aqueous pigment slurry or to dry pigment.

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"Scale Inhibitors", Rohm & Haas, Polymer Additives for Aqueous Systems, Industrial Chemicals; Oct., 1985.

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