Aerosol OT/水/油の相平衡図

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書誌事項

タイトル別名
  • Ternary Phase Diagram for Aerosol OT/Water/Oil System
  • Aerosol OT ミズ アブラ ノ ソウ ヘイコウズ ミクロエマルション
  • A Basic Study on Microemulsion
  • ミクロエマルションの基礎研究

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抄録

The ternary phase diagram for purified Aerosol OT (AOT) /water/benzene system has been studied at 25 and 50°C. Aqueous micellar solution phase (Wm), lamellar liquid crystalline phase and nonaqueous reversed micellar solution phase (Om) can solubilize a large amount of oil or water respectively at 50°C but small at 25°C. This marked change occured discontinuously around at 40°C in benzene system. HLB of AOT is almost unchanged with temperature, but becomes lipophilic with increasing the water/AOT ratio. <BR>On the other hand, in the presence of added salt (NaCl), Wm+excess oil phase exists at higher temperature, and Om+excess water phase exist at lower temperature. At an optimum temperature, brine containing 0.5 wt% of NaCl and 2, 2, 4-trimethyl pentane can dissolve each other in arbitrary ratios with only 3.5 wt%/system of AOT. In this case, AOT becomes relatively hydrophilic with increasing temperature.

収録刊行物

  • 油化学

    油化学 28 (9), 627-631, 1979

    公益社団法人 日本油化学会

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