非イオン界面活性剤による均質で細かい乳化滴を持つO/Wエマルションの生成機構

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As emulsion is non-equilibrium state, the technique of emulsification greatly affects the droplet size and its distribution of emulsion. When it is tried to form stable O/W emulsion by nonionic surfactants, the agent-in-oil method dissolving the surfactants in the oil phase is generally adopted. <BR>In this paper, the reasons, which this method is desirable for forming homogeneous O/W emulsion, were investigated from the soluble state of surfactants-water-oil system. <BR>As the results, it was shown that homogeneous O/W emulsions were formed under the conditions appearing oil-continuous phase-liquid crystalline phase-white gel emulsion-O/W emulsion in the process of emulsification. And it was indicated the possibility to decrease the difference of quality due to manufacturers by utilizing this emulsification method. <BR>The structures of the liquid crystal and the gel which exsist in the process of emulsification were determined by X-ray low angle diff ractometer and electron microscope. And the mechanism forming a homogeneous O/W emulsion was elucidated.
社団法人日本油化学会の論文