Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
ALUMINA POROUS BODY AND MANUFACTURING METHOD THEREOF
To provide a method for producing an alumina porous body having a sharp pore size distribution and a large porosity with those parameters adjustable.SOLUTION: A raw material liquid comprising an aluminum-containing colloid having good dispersibility is obtained by adding a carboxylic acid and an alkali to an aluminum salt aqueous solution. Porous alumina particles are obtained by spray pyrolysis of the raw material liquid. An alumina porous body is obtained by firing a molding material comprising the particle material. The pore characteristics of the porous alumina particles are adjusted by raw material liquid preparation conditions and the like, and the pore characteristics, porosity and the like of the alumina porous body highly reflect the pore characteristics of the porous alumina particles, and are further adjusted by molding and firing conditions.SELECTED DRAWING: Figure 8
【課題】シャープな孔径分布と大きな気孔率を有し、かつそれらを調整できるアルミナ多孔質体の製造方法を提供する。【解決手段】アルミニウム塩水溶液にカルボン酸とアルカリを添加することで、分散性が良好なアルミニウム含有コロイドを含む原料液を得る。原料液を噴霧熱分解することにより多孔質アルミナ粒子を得る。さらに当該粒子材料を含む成形材料を焼成することで、アルミナ多孔質体を得る。多孔質アルミナ粒子の細孔特性は原料液調製条件等により調整され、アルミナ多孔質体の細孔特性、空隙率等は多孔質アルミナ粒子の細孔特性を高度に反映し、さらに成形、焼成条件によって調整される。【選択図】図８
ALUMINA POROUS BODY AND MANUFACTURING METHOD THEREOF
To provide a method for producing an alumina porous body having a sharp pore size distribution and a large porosity with those parameters adjustable.SOLUTION: A raw material liquid comprising an aluminum-containing colloid having good dispersibility is obtained by adding a carboxylic acid and an alkali to an aluminum salt aqueous solution. Porous alumina particles are obtained by spray pyrolysis of the raw material liquid. An alumina porous body is obtained by firing a molding material comprising the particle material. The pore characteristics of the porous alumina particles are adjusted by raw material liquid preparation conditions and the like, and the pore characteristics, porosity and the like of the alumina porous body highly reflect the pore characteristics of the porous alumina particles, and are further adjusted by molding and firing conditions.SELECTED DRAWING: Figure 8
【課題】シャープな孔径分布と大きな気孔率を有し、かつそれらを調整できるアルミナ多孔質体の製造方法を提供する。【解決手段】アルミニウム塩水溶液にカルボン酸とアルカリを添加することで、分散性が良好なアルミニウム含有コロイドを含む原料液を得る。原料液を噴霧熱分解することにより多孔質アルミナ粒子を得る。さらに当該粒子材料を含む成形材料を焼成することで、アルミナ多孔質体を得る。多孔質アルミナ粒子の細孔特性は原料液調製条件等により調整され、アルミナ多孔質体の細孔特性、空隙率等は多孔質アルミナ粒子の細孔特性を高度に反映し、さらに成形、焼成条件によって調整される。【選択図】図８
ALUMINA POROUS BODY AND MANUFACTURING METHOD THEREOF
アルミナ多孔質体及びその製造方法
SUEHIRO SATOSHI (Autor:in) / OKAWA HAJIME (Autor:in) / KIMURA TEIICHI (Autor:in) / TAKAHASHI SEIJI (Autor:in)
27.08.2020
Patent
Elektronische Ressource
Japanisch
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