ALUMINA POROUS BODY AND METHOD OF PRODUCING THE SAME

PROBLEM TO BE SOLVED: To provide an alumina porous body which has high initial strength and is excellent in corrosion resistance against an alkaline solution and an acidic solution, and of which the strength is hardly decreased even in a severe environment in which the porous body is frequently expo...

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Hauptverfasser:	TOMITA TAKAHIRO, INOUE KATSUHIRO, MORIMOTO KENJI, SHINDO ASUMI, KUWAMOTO MASARU
Format:	Patent
Sprache:	eng
Schlagworte:	ARTIFICIAL STONE CEMENTS CERAMICS CHEMISTRY COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDINGMATERIALS CONCRETE LIME, MAGNESIA METALLURGY PERFORMING OPERATIONS PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL REFRACTORIES SEPARATION SLAG TRANSPORTING TREATMENT OF NATURAL STONE
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Beschreibung
Zusammenfassung:	PROBLEM TO BE SOLVED: To provide an alumina porous body which has high initial strength and is excellent in corrosion resistance against an alkaline solution and an acidic solution, and of which the strength is hardly decreased even in a severe environment in which the porous body is frequently exposed to such a solution. SOLUTION: The alumina porous body has a porosity of 15 to 45% and an average pore size of 2 to 15 μm, and contains 5 to 30 mass% of titanium oxide and at least one element selected from the group consisting of copper, manganese, calcium and strontium, wherein the content of the element, is not more than 1.5 mass% in terms of the total amount of oxides of the element. COPYRIGHT: (C)2011,JPO&INPIT