書誌事項
- タイトル別名
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- Creaming Rate of O/W Emulsion
- O W エマルション ノ クリーミング ソクド
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抄録
By a membrane emulsification method, four kinds O/W emulsions with very narrow distribution of droplet size were prepared. The creaming rate of the emulsions for various volume fractions (φ) were measured accurately by the Image-Analysis Method. The obtained creaming rate did not agree with both the values calcurated by using Buscall's equation for monodisper sion of latex and those obtained by Uχ= Uο/ηsys, where Uο is Stoke's value for Newtonian fluid under gravity and ηsys is the viscosity of emulsion determined by Mooney's theoretical equation or Sherman's empirical equation. It was found that the creaming rate of the emulsion could be presented by the equation Uχ=Uο/exp (A [η] φ) for a wide range of φ, where [η] is the intrinsic viscosity of the emulsion and A is a correction coefficient for the individual intrinsic viscosity for emulsions with different radius. Furthermore, this eqation is also applicable to monodispersed hard spheres (latex) from 0 to 0.3 of φ.
収録刊行物
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- 油化学
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油化学 42 (12), 972-977, 1993
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
- 1390001205335385728
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- NII論文ID
- 10006944925
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- NII書誌ID
- AN00245435
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- ISSN
- 0513398X
- 18842003
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- NDL書誌ID
- 3866685
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- データソース種別
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- JaLC
- NDL
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- 使用不可