HLB温度 (PIT) 方式によるW/O型乳化系における乳化剤の選択方法

概要

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The dissolution state of polyoxyethylene (n) nonylphenylether-water-cyclohexane system was studied as a function of temperature. The phase inversion temperature (PIT) and the temperature range over which W/O type emulsions are stable were determined. As a result, the relation between the PIT and the oxyethylene chain length of emulsifiers which will give the stable W/O type emulsions was obtained, thereby an emulsifier which will yield stable emulsion at a given temperature can be selected. Emulsions are most stable, if we select emulsifiers whose oxyethylene chain length is shorter by about two as compared with the emulsifier whose PIT (HLB-temperature) is equal to an experimental temperature. Thus, the procedures for the emulsifier selection of W/O type became clear by HLB-temperature method.
社団法人日本油化学会の論文