Methods for improving the high and low shear rheology of mineral slurries and the products derived therefrom

The present invention provides several methods for improving the high and low shear rheology of a substantially grit-free and substantially dispersed particulate slurry using a rotor-stator type mill. The methods are applicable to slurries including a natural mineral, suspensions including a natural...

Ausführliche Beschreibung

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Bibliographische Detailangaben
1. Verfasser:	BILIMORIA BOMI M
Format:	Patent
Sprache:	eng
Schlagworte:	ADHESIVES CHEMISTRY DYES INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OFSOLID INORGANIC COMPOUNDS INORGANIC CHEMISTRY METALLURGY MISCELLANEOUS APPLICATIONS OF MATERIALS MISCELLANEOUS COMPOSITIONS MIXING, e.g. DISSOLVING, EMULSIFYING, DISPERSING NATURAL RESINS PAINTS PERFORMING OPERATIONS PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL POLISHES PREPARATION OF CARBON BLACK TRANSPORTING TREATMENT OF INORGANIC MATERIALS, OTHER THAN FIBROUS FILLERS,TO ENHANCE THEIR PIGMENTING OR FILLING PROPERTIES
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Beschreibung
Zusammenfassung:	The present invention provides several methods for improving the high and low shear rheology of a substantially grit-free and substantially dispersed particulate slurry using a rotor-stator type mill. The methods are applicable to slurries including a natural mineral, suspensions including a natural mineral, and suspensions including synthetic minerals. The methods of the present invention selectively include performance of one or more of the processes of beneficiation, re-milling, dewatering and re-dispersion, and drying, performed in any one of several sequences as disclosed or suggested herein. The present invention further provides a number slurry products having an improved high and/or low shear rheology that are produced by the performance of different combinations