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- 金指 正言
- 広島大学大学院 工学研究院 物質化学工学部門
書誌事項
- タイトル別名
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- Sol-Gel derived Silica Membranes: Control of Silica Network Size and Hydrothermal Stability
- ゾル ゲルホウ ニ ヨル タコウシツ シリカ マク ノ サイコウケイ セイギョホウ ト タイスイ ジョウキセイ
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抄録
Sol-gel derived silica membranes are reviewed in terms of control of silica network size and hydrothermal stability, which are most important issues for a practical application of amorphous silica membranes in industry. For control of silica network size, organic-template and spacer methods are introduced. Bridged alkoxides with organic groups between 2 Si atoms can be used for control of silica network size by both template and spacer method, for example, BTESE-derived silica membranes showed quite high hydrogen permeance with high H2 to SF6 permeance ratio of 1,000 due to loose organic-inorganic silica networks by Si-C-C-Si unit. For hydrothermal stability of amorphous silica membranes at high temperatures, metal-doped silica membranes are introduced, especially Ni- and Co-doped silica membranes with superior hydrothermal stability and hydrogen permeation performance. Finally, recent progresses in metal-doped silica membranes such as Nb-SiO2 and Pd-SiO2 are also summarized.
収録刊行物
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- 膜
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膜 36 (3), 97-103, 2011
日本膜学会
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詳細情報 詳細情報について
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- CRID
- 1390282681398579712
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- NII論文ID
- 10029601792
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- NII書誌ID
- AN0023215X
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- COI
- 1:CAS:528:DC%2BC3MXos1Klurk%3D
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- ISSN
- 18846440
- 03851036
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- NDL書誌ID
- 11135974
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- 本文言語コード
- ja
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- データソース種別
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- JaLC
- NDL
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- 抄録ライセンスフラグ
- 使用不可