VERFAHREN ZUR HERSTELLUNG VON REINEN, DICHTEN, AMORPHEN SYNTHETISCHEN KIESELSAEURETEILCHEN

A method of producing pure and dense amorphous fused synthetic silica. Silica of desired purity is wet pelletized or agglomerated to form particles having an average particle size of between about 5 to 2500 microns. These particles are calcined to volatilize impurities and increase density to at lea...

Ausführliche Beschreibung

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Bibliographische Detailangaben
1. Verfasser:	MEHROTRA, VIKRAM P
Format:	Patent
Sprache:	eng ; ger
Schlagworte:	ADHESIVES CHEMISTRY COMPOUNDS THEREOF DYES INORGANIC CHEMISTRY METALLURGY MISCELLANEOUS APPLICATIONS OF MATERIALS MISCELLANEOUS COMPOSITIONS NATURAL RESINS NON-METALLIC ELEMENTS PAINTS POLISHES PREPARATION OF CARBON BLACK TREATMENT OF INORGANIC MATERIALS, OTHER THAN FIBROUS FILLERS,TO ENHANCE THEIR PIGMENTING OR FILLING PROPERTIES
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Beschreibung
Zusammenfassung:	A method of producing pure and dense amorphous fused synthetic silica. Silica of desired purity is wet pelletized or agglomerated to form particles having an average particle size of between about 5 to 2500 microns. These particles are calcined to volatilize impurities and increase density to at least about 0.9 g/cm . Calcined particles are classified by size or reduced in size if desired or needed by grinding in such a way that the purity of the product is maintained.