Abstract
AbstractSolid poly(ethylene oxide)–urethane electrolytes were prepared from blends of polyurethane and NaClO4. The samples were characterized by FTIR, DSC, atomic force microscopy, and complex impedance analysis. The effect of the concentration of NaClO4 on the poly(ethylene oxide)–urethane/NaClO4 complex were studied. The results showed that the concentration of NaClO4 had an important effect on the ion–polymer interaction, ion–ion interaction, glass‐transition temperature, morphologic structure, and ionic conductivity of the complex. We also prepared a model compound of hard segments and found that the conductivity of the complex decreased when the model compound was blended into the complex. © 2001 John Wiley & Sons, Inc. J Appl Polym Sci 80: 2502–2510, 2001
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