METHOD OF PREPARING HIGH-CONCENTRATION COLLOIDAL SILICA

METHOD OF PREPARING HIGH-CONCENTRATION COLLOIDAL SILICA

Disclosed is a method of preparing colloidal silica, more particularly a method of producing high-concentration (10-55 wt %) colloidal silica by reacting water with a tetraalkyl orthosilicate (TMOS), tetraethyl orthosilicate (TEOS) based silane precursor as a starting material in the presence of a b...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser: YOO, Bok Ryul, KIM, Dae Jin
Format: Patent
Sprache:eng
Schlagworte:
CHEMISTRY
COMPOUNDS THEREOF
INORGANIC CHEMISTRY
METALLURGY
NON-METALLIC ELEMENTS
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Beschreibung
Zusammenfassung:Disclosed is a method of preparing colloidal silica, more particularly a method of producing high-concentration (10-55 wt %) colloidal silica by reacting water with a tetraalkyl orthosilicate (TMOS), tetraethyl orthosilicate (TEOS) based silane precursor as a starting material in the presence of a basic catalyst.