Compositions: coating or plastic – Materials or ingredients – Pigment – filler – or aggregate compositions – e.g. – stone,...
Patent
1992-10-15
1993-11-16
Group, Karl
Compositions: coating or plastic
Materials or ingredients
Pigment, filler, or aggregate compositions, e.g., stone,...
106484, 501141, 501150, 241 23, 241 24, 241 29, C04B 1410, C04B 3304
Patent
active
052619567
ABSTRACT:
A method for preparing a calcined kaolin clay powder having good high shear rheology in high solids aqueous slurries. A kaolin clay powder of fine particle size is calcined at a sufficient temperature and for a sufficient period to destroy the crystallinity thereof; and the calcined product is dry milled in a media mill, using a work input of from 100 to 160 hp-hr/ton of dry clay.
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"Perry's Chemical Engineers' Handbook", Sixth Edition, 1984 McGraw Hill, Inc. pp. 8-12.
Bokor David S.
Dunaway Weyman H.
May Tony
McNeeley Raymond B.
Smith Michael D.
ECC International Inc.
Group Karl
Marcheschi Michael A.
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