Study of the behavior of "uptake and release" of oxygen into perfluorocarbon-water emulsions.

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  • Meguro Kenjiro
    Department of Applied Chemistry, Faculty of Science, Science University of Tokyo
  • Watanabe Hiroshi
    Department of Applied Chemistry, Faculty of Science, Science University of Tokyo
  • Kato Hiromu
    Department of Applied Chemistry, Faculty of Science, Science University of Tokyo
  • Ogihara Kimihiko
    Department of Applied Chemistry, Faculty of Science, Science University of Tokyo
  • Esumi Kunio
    Department of Applied Chemistry, Faculty of Science, Science University of Tokyo

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説明

Stable O/W type emulsions of perfluorocarbon such as perfluorodecalin (FDC) and perfluorotributylamine (FTBA) were prepared by using poly(oxyethylene)-poly(oxypropylene) block copolymer (Pluronic F-68) and sorbitan monolaurate (SL-10) as emulsifiers. The relationships between the behavior of “uptake and release” of oxygen into the emulsions and the factors responsible for a stable emulsion were studied. The initial rates of “uptake and release” of oxygen into the emulsions decreased with increasing the mean particle size, the concentration of emulsifiers, and the viscosities of the emulsions. On the other hand, the saturated amount of oxygen in the emulsions was independent on the mean particle size, but depended on the total amount of the perfluorocarbons in the emulsion.

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