PRODUCTION OF ZIRCONIA FINE POWDER

PROBLEM TO BE SOLVED: To produce zirconia powder to obtain a compound for injection molding which has excellent flowability and which does not require a large amount of a binder even though it has a large specific surface area. SOLUTION: The zirconia fine powder is obtained by drying and calcining a...

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Bibliographische Detailangaben
Hauptverfasser:	MORI TAKASHI, ETO NOBUO, SAWANO MASANORI, IKEGAKI TETSURO
Format:	Patent
Sprache:	eng
Schlagworte:	ARTIFICIAL STONE CEMENTS CERAMICS CHEMISTRY COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDINGMATERIALS COMPOUNDS CONTAINING METALS NOT COVERED BY SUBCLASSESC01D OR C01F CONCRETE INORGANIC CHEMISTRY LIME, MAGNESIA METALLURGY REFRACTORIES SLAG TREATMENT OF NATURAL STONE
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Beschreibung
Zusammenfassung:	PROBLEM TO BE SOLVED: To produce zirconia powder to obtain a compound for injection molding which has excellent flowability and which does not require a large amount of a binder even though it has a large specific surface area. SOLUTION: The zirconia fine powder is obtained by drying and calcining a hydrated zirconia sol containing a zirconium salt or a mixture of a stabilizer and the hydrated zirconia sol containing the zirconium salt. In this method for producing the zirconia fine powder, the hydrated zirconia sol containing the zirconium salt, or the mixture of the stabilizer and the hydrated zirconia sol containing the zirconium salt is dried and calcined.