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Electrical conductivity in ionic complexes of poly(ethylene oxide)
Abstract
The temperature dependence of d.c. conductivity of poly(ethylene oxide) complexes with sodium iodide and the thiocyanates of sodium, potassium and ammonium has been investigated. In each case a transition to a lower activation energy at higher temperatures was observed. For the sodium complexes this transition occurs at ca 55°C which is well below the crystalline melting points at 200°C. For the potassium and ammonium complexes however, the transitions coincide with the melting points at ca 100 and 70°C respectively. It is proposed that at the transitions, thermal disintegration of complexes in the amorphous regions occurs. The complexes involve coordination of the cations to the ether oxygen atoms in the polymer backbone.
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Metadata
- Authors
- Wright, P. V.
- Venue
- British Polymer Journal
- Publisher
- Wiley
- Published
- 1975-09
- Volume
- 7
- Issue
- 5
- Pages
- 319-327
- ISSN
- 0007-1641 (ISSN-L)
- 1934-256X
- OpenAlex
- W2092227202
- Cited by
- 1,288
- References
- 0
- FWCI
- 2.26
- Type
- journal article
- Language
- en
- Open access
- closed
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- Wright, P. V. (1975). Electrical conductivity in ionic complexes of poly(ethylene oxide). British Polymer Journal. https://doi.org/10.1002/pi.4980070505
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