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A study on polyurethane/acrylate crosslinked gel polymer electrolytes

✍ Scribed by Huang Xiaobin; Ren Tianbin; Zhao Xian; Tang Xiaozhen

Publisher
John Wiley and Sons
Year
2003
Tongue
English
Weight
174 KB
Volume
52
Category
Article
ISSN
0959-8103

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✦ Synopsis

Abstract

2,4‐Toluene diisocyanate, poly(propylene glycol), poly(ethylene glycol) (PEG) and 2‐hydroxyethyl methacrylate were used to synthesize PEG–UA (urethane acrylate) monomer. The crosslinked polymer and gel polymer electrolytes were prepared in dioxane by free radical polymerization. The swelling behaviour, thermal degradation properties, morphology and ionic conductivity of the gel polymer electrolytes were investigated. With decrease in the proportion of dioxane used, the synthesized polymer's network density increased, its affinity with a solution of 1 M LiClO~4~ in propylene carbonate (PC) decreased, and more microgel which diffused in the network. At the same time, the conductivity increased and reached 4 × 10^−4^ S cm^−1^ at 25 °C. Copyright © 2003 Society of Chemical Industry

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