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Compatibility and conductivity of LiClO4 free and doped polyacrylate-poly(ethylene oxide)blends

Thermal behaviour of polyacrylate (PAc)/poly(ethylene oxide) (PEO) and PAc/PEO doped with LiClO4 were investigated by differential scanning calorimetry. The constituents, PAc and PEO, show immiscibility after glass transition temperature Tg analysis. The addition of LiClO4 increases the Tg's of...

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Bibliographic Details
Main Authors: Sim, L.H., Gan, S.N., Chan, C.H., Kammer, H.W., Yahya, R.
Format: Article
Published: 2009
Subjects:
QD Chemistry
Online Access:http://eprints.um.edu.my/6668/
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Summary:Thermal behaviour of polyacrylate (PAc)/poly(ethylene oxide) (PEO) and PAc/PEO doped with LiClO4 were investigated by differential scanning calorimetry. The constituents, PAc and PEO, show immiscibility after glass transition temperature Tg analysis. The addition of LiClO4 increases the Tg's of neat PAc, PEO and their blends. The conductivities at 30°C of PAc, PAc/PEO 40 : 60 doped with 15 wt- LiClO 4 and PEO are 8.3�10-10, 1.2�10-6 and 7.9�10-6 S cm-1 respectively. Reasonably high conductivity of the PAc/PEO/LiClO4 blends makes it a potential polymer electrolyte.

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