Dynamic Light Scattering Studies on Ostwald Ripening and Composition Ripening of Oil Droplets in Oil-in-Water Emulsion Systems
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- USUI Masako
- Faculty of Science and Technology, Tokyo University of Science
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- HARUSAWA Fuminori
- Faculty of Science and Technology, Tokyo University of Science
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- SAKAI Toshio
- Faculty of Science and Technology, Tokyo University of Science Present address: Department of Chemical and Biological Engineering, University at Buffalo, The State University of New York
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- YAMASHITA Takashi
- Faculty of Science and Technology, Tokyo University of Science
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- SAKAI Hideki
- Faculty of Science and Technology, Tokyo University of Science Institute of Colloid and Interface Science, Tokyo University of Science
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- ABE Masahiko
- Faculty of Science and Technology, Tokyo University of Science Institute of Colloid and Interface Science, Tokyo University of Science
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説明
Dynamic light scattering studies on Ostwald ripening and composition ripening were performed in n-decane-in-water emulsion and squalane-in-water emulsion. Ostwald ripening was observed in n-decane-in-water emulsion, in which smaller droplets were more significant than larger droplets because of higher solubility of smaller droplets. When smaller droplets presence with larger droplets in emulsion, Ostwald ripening of larger droplets was enhanced, indicating that higher solubility of smaller droplets led to Ostwald ripening. Composition ripening was observed after mixing an n-decane-in-water emulsion and an squalane-in-water emulsion. Size decrease of n-decane droplets was always observed even though size of squalane droplets was smaller than that of n-decane droplets. Namely, n-decane molecules always diffuse from n-decane droplets into squalane droplets due to relatively high solubility of n-decane in water than that of squalane. These findings suggest that composition ripening more significantly contributes to droplet growth than Ostwald ripening (size dependent does).<br>
収録刊行物
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- Journal of Oleo Science
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Journal of Oleo Science 53 (12), 611-617, 2004
公益社団法人 日本油化学会
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詳細情報 詳細情報について
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- CRID
- 1390282679069372800
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- NII論文ID
- 130000060745
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- NII書誌ID
- AA11503337
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- ISSN
- 13473352
- 13458957
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- NDL書誌ID
- 7156302
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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
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- 使用不可