Influence of Addition of Polymeric Surfactant Poloxamer 407 on Thermal Percolation Conductivity in Water-in-Oil Microemulsions

Author: mariam gabadadze
Keywords: AOT reverse microemulsions, temperature-induced electrical percolation, activation energy
Annotation:

The process of temperature-induced electrical percolation in reverse microemulsions prepared on the basis of anionic surfactant sodium bis(2-ethylhexyl)sulfosuccinate (AOT) has been studied. The effect of addition of nonionic polymeric surfactants tyloxapol and poloxamer 407 on the electrical percolation threshold of AOT reverse microemulsions is investigated. The activation energy of temperature-induced electrical percolation for the mentioned microemulsions was calculated. It was found that electrical percolation in AOT reverse microemulsions at a fixed value of molar ratio of surfactant to water (W=20) increasing concentrations of tyloxapol and poloxamer 407 additives in water droplets inhibits electrical percolation.