Synthesis of SiO2–TiO2 fibers with photocatalytic activity by TiCl4 vapor curing on melt-spun silicone resin fiber
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概要
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Melt spun silicone resin fiber with a diameter of 14 µm was exposed to TiCl4 vapor with flowing nitrogen at room temperature or 40°C. During the exposure, TiCl4 was incorporated in the resin network with formation of cross-links. After standing in ambience for 24 h and pyrolysis in an air flow, SiO2–TiO2 fibers were obtained in a yield of 75–80%. Ti/Si content can be controlled by adjusting the curing time and temperature. TiO2 existed as nano particles or aggregated large particles, which were strongly attached on the fiber body. Analysis of 2-propanol degradation by the fiber under UV light suggested the existence of photocatalytic activity.
著者
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Satoh Yayoi
Department Of Cardiology Juntendo University
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Yamashita Hiromi
Division Of Materials And Manufacturing Science Graduate School Of Engineering Osaka University
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Kamegawa Takashi
Division Of Materials And Manufacturing Science Graduate School Of Engineering Osaka University
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NARISAWA Masaki
Department of Materials Science, Graduate School of Engineering, Osaka Prefecture University
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Kamegawa Takashi
Division of Materials and Manufacturing Science, Graduate School of Engineering, Osaka University
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SATOH Yayoi
Department of Materials Science, Graduate School of Engineering, Osaka Prefecture University
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