JP2838802B

JP2838802B

PURPOSE:To obtain powder having small particle diameter not containing impuri ties of oxide by burning blended powder of raw material comprising silica, zirconia and zircon prepared from equimolar solution of SiO2 and ZrO2 under a given condition. CONSTITUTION:A solution containing SiO2/ZrO2 in 1/1...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser: MITAMURA TAKASHI, KOBAYASHI HIDEHIKO, KUBOTA YOSHITAKA, MORI TOSHUKI
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
COMPOUNDS THEREOF
CONCRETE
INORGANIC CHEMISTRY
LIME, MAGNESIA
METALLURGY
NON-METALLIC ELEMENTS
REFRACTORIES
SLAG
TREATMENT OF NATURAL STONE
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Beschreibung
Zusammenfassung:PURPOSE:To obtain powder having small particle diameter not containing impuri ties of oxide by burning blended powder of raw material comprising silica, zirconia and zircon prepared from equimolar solution of SiO2 and ZrO2 under a given condition. CONSTITUTION:A solution containing SiO2/ZrO2 in 1/1 (molar ratio) and having pH =0.1wt.% zircon to give a raw material. The raw material is maintained at 1,300-1,700 deg.C burning temperature for 1-24 hours. The rate of temp. up from 1,200 deg.C to the burning temperature is