Abstract

A homologous series of polydimethylsiloxane (PDMS) oils was doped with varying amounts of PDMS salts of three different univalent cations (sodium, tetramethylammonium and tetrapropylammonium). The zero-shear-rate viscosity and ion conductivity of each sample were measured over the temperature range −50°C<T<60°C. Free volume and Arrhenius type viscosity and ion conductivity models were successfully applied to these data. The effects of mobile ion concentration on the values of the best-fit model parameters were explored.

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