DOI: 10.1063/1.337093. Effect of high pressure on electrical relaxation in poly(propylene oxide) and electrical conductivity in poly(propylene oxide) complexed with lithium salts

Effect of high pressure on electrical relaxation in poly(propylene oxide) and electrical conductivity in poly(propylene oxide) complexed with lithium salts

10.1063/1.337093

Crossref journal-article

AIP Publishing

Journal of Applied Physics (317)

Abstract

Audio frequency electrical conductivity and relaxation studies have been carried out on Parel 58 elastomer and Parel 58 elastomer complexed with a variety of lithium salts. The measurements have been carried out in vacuum over the temperature range 5–380 K and at pressures up to 0.65 GPa over the temperature range 230–380 K. Both the electrical conductivity for the complexed material and the electrical relaxation time associated with the α relaxation in the uncomplexed material exhibit VTF or WLF behavior. From a VTF analysis for both the vacuum electrical relaxation time and electrical conductivity, Ea is found to be about 0.09 eV and T0 is found to be about 40 °C below the ‘‘central’’ glass transition temperature. In addition, it is found that the activation volumes for the electrical relaxation time and the electrical conductivity are the same when compared relative to T0. These results imply that the mechanism controlling ionic conductivity is the same as that for the α relaxation, namely large-scale segmental motions of the polymer chain.

Bibliography

Fontanella, J. J., Wintersgill, M. C., Smith, M. K., Semancik, J., & Andeen, C. G. (1986). Effect of high pressure on electrical relaxation in poly(propylene oxide) and electrical conductivity in poly(propylene oxide) complexed with lithium salts. Journal of Applied Physics, 60(8), 2665â2671.

Authors 5

J. J. Fontanella (first)
M. C. Wintersgill (additional)
M. K. Smith (additional)
J. Semancik (additional)
C. G. Andeen (additional)

References 36 Referenced 100

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Dates

Type	When
Created	23 years ago (July 26, 2002, 8:53 a.m.)
Deposited	1 year, 6 months ago (Feb. 4, 2024, 12:32 a.m.)
Indexed	1 month, 2 weeks ago (July 8, 2025, 7:06 a.m.)
Issued	38 years, 10 months ago (Oct. 15, 1986)
Published	38 years, 10 months ago (Oct. 15, 1986)
Published Print	38 years, 10 months ago (Oct. 15, 1986)

Funders 0

None

BibTeX

@article{Fontanella_1986, title={Effect of high pressure on electrical relaxation in poly(propylene oxide) and electrical conductivity in poly(propylene oxide) complexed with lithium salts}, volume={60}, ISSN={1089-7550}, url={http://dx.doi.org/10.1063/1.337093}, DOI={10.1063/1.337093}, number={8}, journal={Journal of Applied Physics}, publisher={AIP Publishing}, author={Fontanella, J. J. and Wintersgill, M. C. and Smith, M. K. and Semancik, J. and Andeen, C. G.}, year={1986}, month=oct, pages={2665–2671} }

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