Formation of O/W Emulsion Having Fine and Uniform Droplets by the Surfactant (D) Phase Emulsification Method

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Other Title
  • 界面活性剤(D)相乳化法による微細な乳化滴をもつO/Wエマルションの作製

Description

A new method of forming O/W emulsion having fine and uniform droplets has been developed. This method consist of two steps. The first step is to make O/D gel emulsion by adding oil to a surfactant phase containing water and diols. The second process is to make O/W emulsion by adding water phase to the O/D emulsion. The factors for forming O/D gel emulsion was investigated from the phase diagrams of water?liquid paraffin-1, 3-butanediol-surfactant systems and the interfacial tensions between surfactant and oil phases. It has been elucidated that the composition of surfactant-1, 3-butanediol-water is important in making O/D gel emulsion, and that the role of diol is to prevent D phase forming liquid crystals. The range of HLB-number where the fine O/W emulsion forms is broadened by using the D phase emulsification method.

Journal

  • NIPPON KAGAKU KAISHI

    NIPPON KAGAKU KAISHI 1983 (10), 1399-1404, 1983-10-10

    The Chemical Society of Japan

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