POWDERY OXIDE OF SILICON-ALUMINUM MIXTURE OBTAINED BY FLAME HYDROLYSIS, PRODUCTION THEREOF AND PRODUCTION OF CERAMIC AND CERAMIC PRECURSOR

POWDERY OXIDE OF SILICON-ALUMINUM MIXTURE OBTAINED BY FLAME HYDROLYSIS, PRODUCTION THEREOF AND PRODUCTION OF CERAMIC AND CERAMIC PRECURSOR

Silicon-aluminum mixed oxide powder which is flamehydrolytically produced and has a composition of 65 to 85% by weight Al2O3, remainder SiO2 and an amorphous structure, in which each primary particle contains components of SiO2 and of Al2O3, the primary particles are between 7 and 80 nm, preferably...

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Bibliographische Detailangaben
Hauptverfasser: PEETAA KURAINSHIYUMITSUTO, DEIITAA KERUNAA, HERUMUUTO MANGORUTO, BUERUNAA HARUTOMAN, TOOMASU RUUDORUFU
Format: Patent
Sprache:eng
Schlagworte:
ARTIFICIAL STONE
CEMENTS
CERAMICS
CHEMISTRY
COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDINGMATERIALS
COMPOUNDS OF THE METALS BERYLLIUM, MAGNESIUM, ALUMINIUM,CALCIUM, STRONTIUM, BARIUM, RADIUM, THORIUM, OR OF THERARE-EARTH METALS
COMPOUNDS THEREOF
CONCRETE
INORGANIC CHEMISTRY
LIME, MAGNESIA
METALLURGY
NON-METALLIC ELEMENTS
REFRACTORIES
SLAG
TREATMENT OF NATURAL STONE
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Beschreibung
Zusammenfassung:Silicon-aluminum mixed oxide powder which is flamehydrolytically produced and has a composition of 65 to 85% by weight Al2O3, remainder SiO2 and an amorphous structure, in which each primary particle contains components of SiO2 and of Al2O3, the primary particles are between 7 and 80 nm, preferably 10 and 40 nm in size and the specific surface of the powder is between 20 and 200 m2/g. The powder is used for the production of mullite and sintered compacts manufactured from it.