Preparation of porous glass-ceramics of the TiO2-SiO2 system |
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| Authors: | Toshinori Kokubu Masayuki Yamane |
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| Affiliation: | (1) Department of Industrial Chemistry, Miyakonojo National College of Technology, Yoshio-cho, Miyakonojo, 885 Miyazaki, Japan;(2) Department of Inorganic Materials, Tokyo Institute of Technology, Ookayama, Meguro-ku, 152 Tokyo, Japan |
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| Abstract: | Porous glass-ceramics of the TiO2-SiO2 system of high titania content have been prepared by heat treatment and subsequent acid leaching of phase-separated glasses of the TiO2-SiO2-Al2O3-B2O3-CaO-MgO (or -Na2O) system. The porous glass-ceramics obtained in the study had a surface area of 100 to 300 m2g–1, with an average pore radius of 3 to 9 nm. The ceramics which contained a large amount of anatase and rutile were expected to be applied in the field of photocatalysts. |
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