乳化安定作用の研究 (第1報) : 油-水界面における油滴の安定化について

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The rates of coalescence of oill drops at oil-water interface were measured, while interfacial tension and rate constant data were obtained for some of the systems. In all systems, the effects of nonionic surfactants added to the oil or water phase were investigated.<BR>It was found that no relationship exists between the rate of coalecsence and its interfacial tension. Oil drops are greatly stable in general when the amount of stabilizing agents dissolved in oil are above the saturation. These phenomena may relate the interfacial viscosity. In the every first maxima of the used surfactant series, that of OP is the largest, and therefore, OP seems to make the stron-gest complex with ST. The stabily of oil drops differs from so called emulsion stability, but there considered a correlation between the coalescent rate of oil drops and the emulsion stability, from the facts that these stabilities increase by the increased visosities of thier systems or by making electrical double layers on thier drops.
社団法人日本油化学会の論文