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Poly oxymethylene-oligo(oxyethylene) for use in subambient temperature electrochromic devices

Poly oxymethylene-oligo(oxyethylene) for use in subambient temperature electrochromic devices
Poly oxymethylene-oligo(oxyethylene) for use in subambient temperature electrochromic devices
Polymer electrolytes were prepared from oxymethylene-linked polyethylene glycol 200 with lithium perchlorate at O:Li mole ratios of 10, 25 and 70, and with zinc iodide at an O:Zn mole ratio of 70. At the higher salt concentrations (O:Li less than or equal to 25), the electrolytes were amorphous at temperatures down to -20 degrees C. Conductivity was measured over a range of temperatures (eg for O:Li = 25, sigma ranged from 4 x 10(-8) S cm(-1) at -10 degrees C to 2 x 10(-4) S cm(-1) at 70 degrees C). A prototype electrochromic device was constructed for which the progression of a colour front was temperature dependent. Such a device could be utilized as a time-temperature integrating sensor for indicating whether frozen goods have been stored correctly. (C) 2000 Society of Chemical Industry.
polymer electrolyte, electrochromic device, time-temperature integration, sensoroxymethylene-linked poly(oxyethylene), differential scanningcalorimetry, polymer electrolytes
371-376
Colley, R. A.
c1283d42-617a-4e3c-82f6-7fbbbef5469c
Budd, P. M.
88e34241-3e09-47ef-a4ef-942102c7676a
Owen, J. R.
90b823f3-75cc-47f9-a35e-7415e54ba6bb
Balderson, S.
161d5ba1-242f-49bf-99ed-6eada56ce5c3
Colley, R. A.
c1283d42-617a-4e3c-82f6-7fbbbef5469c
Budd, P. M.
88e34241-3e09-47ef-a4ef-942102c7676a
Owen, J. R.
90b823f3-75cc-47f9-a35e-7415e54ba6bb
Balderson, S.
161d5ba1-242f-49bf-99ed-6eada56ce5c3

Colley, R. A., Budd, P. M., Owen, J. R. and Balderson, S. (2000) Poly oxymethylene-oligo(oxyethylene) for use in subambient temperature electrochromic devices. Polymer International, 49 (4), 371-376. (doi:10.1002/(SICI)1097-0126(200004)49:4<371::AID-PI384>3.0.CO;2-7).

Record type: Article

Abstract

Polymer electrolytes were prepared from oxymethylene-linked polyethylene glycol 200 with lithium perchlorate at O:Li mole ratios of 10, 25 and 70, and with zinc iodide at an O:Zn mole ratio of 70. At the higher salt concentrations (O:Li less than or equal to 25), the electrolytes were amorphous at temperatures down to -20 degrees C. Conductivity was measured over a range of temperatures (eg for O:Li = 25, sigma ranged from 4 x 10(-8) S cm(-1) at -10 degrees C to 2 x 10(-4) S cm(-1) at 70 degrees C). A prototype electrochromic device was constructed for which the progression of a colour front was temperature dependent. Such a device could be utilized as a time-temperature integrating sensor for indicating whether frozen goods have been stored correctly. (C) 2000 Society of Chemical Industry.

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More information

Published date: 1 April 2000
Keywords: polymer electrolyte, electrochromic device, time-temperature integration, sensoroxymethylene-linked poly(oxyethylene), differential scanningcalorimetry, polymer electrolytes

Identifiers

Local EPrints ID: 18936
URI: http://eprints.soton.ac.uk/id/eprint/18936
PURE UUID: a0495e3d-6544-49a2-9403-c638c33ab37b

Catalogue record

Date deposited: 19 Jan 2006
Last modified: 15 Mar 2024 06:09

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Contributors

Author: R. A. Colley
Author: P. M. Budd
Author: J. R. Owen
Author: S. Balderson

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