Boosting Effect of Amphiphilic Random Copolymers for Bicontinuous Phases
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- Takahashi Yutaka
- Department of Industrial Chemistry, Faculty of Engineering, Tokyo University of Science
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- Shirahata Hiroka
- Department of Industrial Chemistry, Faculty of Engineering, Tokyo University of Science
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- Nishimura Taishi
- Department of Industrial Chemistry, Faculty of Engineering, Tokyo University of Science
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- Murai Masaki
- Oleo & Specialty Chemicals Research Lab, NOF CORPORATION
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- Wakita Kazuaki
- Oleo & Specialty Chemicals Research Lab, NOF CORPORATION
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- Kondo Yukishige
- Department of Industrial Chemistry, Faculty of Engineering, Tokyo University of Science
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<p>Amphiphilic random copolymers, poly(oxyethylene)/poly(oxypropylene) butyl ethers (C4EmPn), have been used as raw materials for cosmetics. This paper reports on the influence of amphiphilic random copolymers on mixtures of n-decane, water, and a nonionic surfactant, hexa(oxyethylene) dodecyl ether (C12E6). Bicontinuous phases are formed from decane/water/C12E6 mixtures at high C12E6 weight fractions (> 70 wt%). Adding C4EmPn to decane/water/C12E6 mixtures brings about the formation of bicontinuous phases and a decrease in the amount of the surfactant required for their formation, indicating efficiency boosting. The bicontinuous phase formation region in the phase diagram of the decane/water/C12E6+C4E5P5 system is largest at a specific C4E5P5 weight fraction in the C12E6/C4E5P5 mixture. When a hydrophobic polymer, in which the poly(ethylene oxide) group in C4EmPn is absent, is added to decane/water/C12E6 mixtures, no efficiency boosting is observed. These results suggest that the adjustment of the hydrophilicity-hydrophobicity balance of C12E6/C4EmPn mixture causes the efficiency boosting.</p>
収録刊行物
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- Journal of Oleo Science
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Journal of Oleo Science 67 (5), 531-537, 2018
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
- 1390001204091096448
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- NII論文ID
- 130006729579
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- NII書誌ID
- AA11503337
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- ISSN
- 13473352
- 13458957
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- NDL書誌ID
- 028953758
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- PubMed
- 29628487
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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
- PubMed
- CiNii Articles
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- 使用不可