SILICA-BASED SPHERICAL PARTICULATES AND METHODS OF PREPARING THE SAME

SILICA-BASED SPHERICAL PARTICULATES AND METHODS OF PREPARING THE SAME

Spherically-shaped silica can include a precipitated silica powder having a d50 particle size selected within a range of greater than 20 μm and up to 80 μm, a di-octyl adipate oil absorption selected within a range of from 150 ml/100 g to 500 ml/100 g, an average circularity selected within a range...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser: KOLLAH, Raphael, O, ZHANG, Xiaofeng
Format: Patent
Sprache:eng ; fre ; ger
Schlagworte:
CHEMISTRY
COMPOUNDS THEREOF
INORGANIC CHEMISTRY
METALLURGY
NON-METALLIC ELEMENTS
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Beschreibung
Zusammenfassung:Spherically-shaped silica can include a precipitated silica powder having a d50 particle size selected within a range of greater than 20 μm and up to 80 μm, a di-octyl adipate oil absorption selected within a range of from 150 ml/100 g to 500 ml/100 g, an average circularity selected within a range of from 0.70 to 1.0, and an angle of repose, of less than 30°. A process of preparing spherically-shaped silica powder is also included.