Electrical conductivity of aqueous polymer solutions |
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| Authors: | V. Raicu A. BÎran A. Iovescu D. F. Anghel S. Saito |
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| Affiliation: | (1) Biotechnology Group R&D Institute for Rare and Radioactive Metals Str. Atomistilor 51, Sect. 5 76920 Bucharest, Romania, RO;(2) Department of Colloids Romanian Academy Institute of Physical Chemistry Spl Independentei 202 79611 Bucharest, Romania, RO;(3) Nigawa-Takamaru 1-12-15 Takarazuka 665, Japan, JP |
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| Abstract: | Theoretical equations were proposed to adequately simulate the electrical conductivity behavior of aqueous solutions of both charged and uncharged polymers. The theory, based on the mixture equation of Boned and Peyrelasse, was experimentally verified on poly(acrylic acid) (PAA) in water and poly(ethylene oxide) (PEO) in aqueous electrolyte solutions. The data analysis suggested that both the polymer coils may be depicted as oblate ellipsoids. Subsequently, the semiaxes values of the polymer coils were determined, and they were in good agreement with the results reported in the literature. Received: 25 June 1996 Accepted: 2 October 1996 |
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| Keywords: | Electrical conductivity electrical mobility mixture equations poly(acrylic acid) poly(ethylene oxide) |
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