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Bong-Kuk Sea

City: Daejeon
State/Country: KR

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Patents
US6958137 - Preparation of composite silica membranes with thermal stability by a soaking-rolling method -  10/25/2005 
The present invention relates to a method for preparing a composite silica membrane with thermal stability by a soaking-rolling method, and more particularly to a method for preparing a composite silica membrane with improved thermal stability by rolling the surface of a porous support with silica xerogel, soaking-rolling the surface with .gamma.-alumina, coating, drying, and sintering the porous support surface, thereby forming a fine coating membrane on the porous support surface.
US20040071894 - Preparation of composite silica membranes with thermal stability by a soaking-rolling method -  04/15/2004 
The present invention relates to a method for preparing a composite silica membrane with thermal stability by a soaking-rolling method, and more particularly to a method for preparing a composite silica membrane with improved thermal stability by rolling the surface of a porous support with silica xerogel, soaking-rolling the surface with .gamma.-alumina, coating, drying, and sintering the porous support surface, thereby forming a fine coating membrane on the porous support surface.
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