HIGH-PURITY SILICON DIOXIDE GRANULES FOR QUARTZ GLASS APPLICATIONS AND METHOD FOR PRODUCING SAID GRANULES

HIGH-PURITY SILICON DIOXIDE GRANULES FOR QUARTZ GLASS APPLICATIONS AND METHOD FOR PRODUCING SAID GRANULES

It has been found that conventional cheap waterglass grades react in a strongly acidic medium to form high-purity silica types whose treatment with a base leads to products which can be further processed into glassware having low silanol group contents.

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Bibliographische Detailangaben
Hauptverfasser: BEHNISCH, JURGEN, RAULEDER, HARTWIG, MULLER, SVEN, RUF, MARKUS, PANZ, CHRISTIAN, FRINGS, BODO, TITZ, GUIDO
Format: Patent
Sprache:eng ; fre
Schlagworte:
CHEMISTRY
COMPOUNDS THEREOF
GLASS
INORGANIC CHEMISTRY
MANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES
METALLURGY
MINERAL OR SLAG WOOL
NON-METALLIC ELEMENTS
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Beschreibung
Zusammenfassung:It has been found that conventional cheap waterglass grades react in a strongly acidic medium to form high-purity silica types whose treatment with a base leads to products which can be further processed into glassware having low silanol group contents.