Verfahren zur Herstellung von submikronen Perovskiten

Divalent cation perovskite-type cpds. are produced by introducing at least one of the divalent cation hydroxides or oxides Ba(OH)2, Sr(OH)2, Ca(OH)2, PbO or Pb(OH)2 into a slurry of at least one of the hydrous tetravalent oxides TiO2, SnO2, ZrO2 or HfO2 at a temp. sufficient to effect formation of t...

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Bibliographische Detailangaben
Hauptverfasser:	WAGNER, LAURENCE P, MENASHI, JAMEEL, REID, ROBERT C
Format:	Patent
Sprache:	ger
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 INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OFSOLID INORGANIC COMPOUNDS INORGANIC CHEMISTRY LIME, MAGNESIA METALLURGY REFRACTORIES SLAG TREATMENT OF NATURAL STONE
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Beschreibung
Zusammenfassung:	Divalent cation perovskite-type cpds. are produced by introducing at least one of the divalent cation hydroxides or oxides Ba(OH)2, Sr(OH)2, Ca(OH)2, PbO or Pb(OH)2 into a slurry of at least one of the hydrous tetravalent oxides TiO2, SnO2, ZrO2 or HfO2 at a temp. sufficient to effect formation of the particular divalent cation perovzkite based co-form. The invention relates particularly to barium titanate and barium titanate compsns..