COLLOIDAL METAL OXIDE SOLS IN POLAR ORGANIC SOLVENTS

Sols of Sb2O3, SnO2 and TiO2 in organic polar liquids are prepared by reacting a soluble salt of the metal with water and ammonia in a solution in the liquid. The reaction produces the metal oxide in colloidal dispersion and an insoluble ammonium salt, which precipitates and is filtered off. Sols in...

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Bibliographische Detailangaben
Hauptverfasser:	YATES P,US, JONES E,US, BESTE L,US
Format:	Patent
Sprache:	eng
Schlagworte:	CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOIDCHEMISTRY CHEMISTRY COMPOSITIONS BASED THEREON METALLURGY ORGANIC MACROMOLECULAR COMPOUNDS PERFORMING OPERATIONS PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL THEIR PREPARATION OR CHEMICAL WORKING-UP THEIR RELEVANT APPARATUS TRANSPORTING USE OF INORGANIC OR NON-MACROMOLECULAR ORGANIC SUBSTANCES ASCOMPOUNDING INGREDIENTS
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Beschreibung
Zusammenfassung:	Sols of Sb2O3, SnO2 and TiO2 in organic polar liquids are prepared by reacting a soluble salt of the metal with water and ammonia in a solution in the liquid. The reaction produces the metal oxide in colloidal dispersion and an insoluble ammonium salt, which precipitates and is filtered off. Sols in liquids which are solvents for organic polymers are used to incorporate metal oxides into the polymers and polymeric articles such as fibers and films to provide flame resistance.