Vesicle Formation in Aqueous Mixtures of Anionic Hydrocarbon and Cationic Fluorocarbon Surfactants

  • KIHARA Kaoru
    Department of Applied Chemistry and Institute of Colloid and Interface Science, Science University of Tokyo
  • TAMORI Koji
    Department of Applied Chemistry and Institute of Colloid and Interface Science, Science University of Tokyo
  • ESUMI Kunio
    Department of Applied Chemistry and Institute of Colloid and Interface Science, Science University of Tokyo
  • MEGURO Kenjiro
    Department of Applied Chemistry and Institute of Colloid and Interface Science, Science University of Tokyo

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Other Title
  • アニオン性炭化水素系とカチオン性フッ素系界面活性剤の混合水溶液でのベシクル形成
  • アニオンセイ タンカ スイソケイ ト カチオンセイ フッソケイ カイメン カッ

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Abstract

The formation of vesicles in aqueous mixtures of a single-chain anionic hydrocarbon surfactant, lithium dodecyl sulfate (LiDS), and a cationic fluorocarbon surfactant, bis (2-hydroxy ethyl) (2-hydroxy-3-perfluorooctyl propyl) methylammonium chloride (DEFUMAC), was confirmed. The vesicles were formed in all lamellar phase regions at a total surfactant concentration Ct of 10 mmol·dm-3. Vesicles size showed a wide range of distribution, the average becoming larger as the mixed ratio approached an equimolar ratio.

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