Abstract

The study of micelle formation in sodium stearate-alcohol-hexadecane-water mixtures used positron annihilation techniqes. The water/oil ratio (WOR) at which reversed-micelle formation occurs was determined and correlated with properties such as the chain lengths of the cosurfactant. The radio trend found suggests a dependence of the WOR at which microemulsions are formed on the chain length of the cosurfactant alcohol, i.e., the ratio decreases with increasing chain length of the alcohol. 16 references.

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