Elongation and orientation of macropores by shear stress in silica-polymer composite (1) Effects of shear time and shear rate
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- HIGUCHI Takeshi
- Department of Chemistry and Chemical Engineering, Yamagata University
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- OIZUMI Haruna
- Department of Chemistry and Chemical Engineering, Yamagata University
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- SASAKI Tatsuya
- Department of Chemistry and Chemical Engineering, Yamagata University
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- AITA Tadahiro
- Department of Chemistry and Chemical Engineering, Yamagata University
書誌事項
- タイトル別名
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- Elongation and orientation of macropores by shear stress in silica-polymer composite I. Effects of shear time and shear rate
- I. Effects of shear time and shear rate
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説明
A silica-polymer composite with oriented macropores was fabricated from tetraethoxysilane (TEOS) incorporated with poly(ethylene glycol) (PEG) via a sol-gel method. The solution mixture containing PEG and TEOS after hydrolysis was subjected to shear stress so that the macroporous structure generated by spinodal decomposition during the process of polycondensation to a silica-PEG-rich phase and a solvent-rich phase was elongated and oriented toward the shear flow direction. It was found that shear flow is effective for macropore elongation after the solution mixture becomes turbid. The optimum PEG content for macropore elongation was also revealed. The elongation ratio of the macropores was dependent to a certain extent on the shear rate.
収録刊行物
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- Journal of the Ceramic Society of Japan
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Journal of the Ceramic Society of Japan 117 (1368), 873-877, 2009
公益社団法人 日本セラミックス協会
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詳細情報 詳細情報について
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- CRID
- 1390282680261836928
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- NII論文ID
- 10025968724
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- NII書誌ID
- AA12229489
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- ISSN
- 13486535
- 18820743
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- NDL書誌ID
- 10298459
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- 本文言語コード
- en
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- データソース種別
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- JaLC
- NDL
- Crossref
- CiNii Articles
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- 抄録ライセンスフラグ
- 使用不可