Synthesis of Silica Particles in the Hydrolysis of Tetraethyl Orthosilicate with Amine Catalysts
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概要
- 論文の詳細を見る
Methylamine (MA) and dimethylamine (DMA) were examined as catalysts for the hydrolysis of tetraethyl orthosilicate (TEOS) to synthesize monodispersed silica particles. Experimental results were compared with those in ammonia-catalyzed hydrolysis of TEOS. The hydrolysis reactions were carried out at a water concentration of 11 kmol/m3 in ranges of catalyst concentration (0.01–1.5 kmol/m3) and TEOS concentration (0.02–0.2 kmol/m3). Spherical particles were formed at catalyst concentrations lower than 1.5 kmol/m3 for NH3 and lower than 0.2 kmol/m3 for MA and DMA. Comparison of the coefficient of variation (CV) for monodisperse spherical particles indicated that silica particles obtained with the amine catalysts were more highly monodisperse than those obtained with NH3 catalyst.
- 社団法人 化学工学会の論文
- 2004-07-01
著者
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Kobayashi Yoshio
Department of Biomolecular Functional Engineering, College of Engineering, Ibaraki University
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NAGAO Daisuke
Department of Chemical Engineering, Graduate School of Engineering, Tohoku University
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KONNO Mikio
Department of Chemical Engineering, Graduate School of Engineering, Tohoku University
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MINE Eiichi
Department of Chemical Engineering, Graduate School of Engineering, Tohoku University
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Konno M
Department Of Chemical Engineering Graduate School Of Engineering Tohoku University
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Konno Mikio
Department Of Chemical Engineering Graduate School Of Engineering Tohoku University
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Mine Eiichi
Department Of Chemical Engineering Graduate School Of Engineering Tohoku University
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Yoshio Kobayashi
Department Of Biomolecular Functional Engineering College Of Engineering Ibaraki University
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Nagao Daisuke
Department Of Chemical Engineering Graduate School Of Engineering Tohoku University
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Kobayashi Yoshio
Department Of Chemical Engineering Graduate School Of Engineering Tohoku University
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Kobayashi Yoshio
Department Cardiovascular Science and Medicine, Chiba University Graduate School of Medicine
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