Ionic conductivity of poly(2-vinyl pyridinium) salt in solid state |
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Authors: | N Sen Sarma N.N Dass |
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Affiliation: | a Material Sciences Division, IASST, Khanapara, Guwahati 781 022, Assam, India b Department of Chemistry, Dibrugarh University, Dibrugarh, Assam, India |
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Abstract: | The preparation, characterization and conductivities of poly(2vinylpyridine), P-2VP and its fluoride derivative are reported here. The polymer P-2VP was prepared by thermal polymerization of 2vinylpyridine, 2VP and its salt, by acidification with HF. The formation of P-2VP salt was confirmed by IR and 1H NMR techniques. Conductivities were determined from 30 to 110 °C in solid state. The addition of F− ion increases the ionic conductivity of the polymer dramatically. The P-2VP-HF behaves as an intrinsic conducting polymer. The determination of the molecular mass of P-2VP and P-2VP-HF indicated that 95% of pyridine molecule was hydrofluorinated. |
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Keywords: | Ionics Poly(2vinylpyridine) Conductivity Polyelectrolyte |
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