Abstract
Concentration dependences of the specific electrical conductivity of ion-exchange resin KU-2 and ion-exchange heterogeneous membrane MK-40 made thereof are obtained and compared prior to and after the membrane modification with polyaniline. It is shown that the introducing of the polyaniline to polymer matrices of ionites results in the change of the specific electrical conductivity of both the resin KU-2 and the membrane MK-40, which correlates with the earlier data obtained for the MF-4SK/polyaniline composites. The quantitative evaluation of the polyaniline effect on the mechanism of current passing through structural fragments of initial and modified ionites is carried out. To this purpose, model parameters were used, which reflect the current paths and the conducting phases’ volume fractions and spatial orientation.
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Original Russian Text © N.P. Berezina, N.P. Gnusin, O.A. Demina, L.A. Annikova, 2009, published in Elektrokhimiya, 2009, Vol. 45, No. 11, pp. 1325–1332.
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Berezina, N.P., Gnusin, N.P., Demina, O.A. et al. Effect of polyaniline on the current passing through structural fragments of ion-exchange sulfonic-cationite resins and membranes. Russ J Electrochem 45, 1226–1233 (2009). https://doi.org/10.1134/S1023193509110020
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DOI: https://doi.org/10.1134/S1023193509110020