Preparation of Silica Microcapsules by Sol-Gel Method in W/O Emulsion
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概要
- 論文の詳細を見る
Spherical silica microcapsules whose average diameter was 3.6 μm were synthesized by the sol-gel method in W/O emulsions containing an anionic surfactant at a high water to surfactant molar ratio. Special agitational conditions are needed to prepare spherical silica microcapsules. The properties of the resulting silica microcapsules were determined by Fourier-transform infrared spectroscopy and scanning electron microscopy. As the spherical silica particles have a hollow core structure, hydrolysis and condensation of TEOS occur at the micellar periphery, and the diameter of the water droplets in the W/O emulsion at a high water to surfactant molar ratio (Wo) are micron sized.
- 社団法人 化学工学会の論文
著者
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Takahashi Koji
Department Of Aeronautics And Astronautics Kyushu University
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Ono H
Nihon Millipore Co. Ltd. Yonezaawa Jpn
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Ono Hideo
Nihon Millipore Co. Ltd.
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Takahashi Koji
Department of Materials Science and Engineering, Yamagata University
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TAKAHASHI Koji
Departent of Materials Science and Engineering,Faculty of Engineering,Yamagata University
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