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A Novel Polymer Electrolyte Based on Polydioxolane Polyurethane with Na~+ Single-Ionic Conductivity

机译:Na〜+单离子电导率的新型基于聚二氧戊环聚氨酯的聚合物电解质

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摘要

A series of novel polyurethane ionomers with polydioxolane (PDXL) as soft segment was prepared and characterized by Fourier teansfoem infrated spectroscopy,differential scanning calorimetry,and dynamic mechanical analysis.The ionomers obtained were Na~+ single-ionic conductors.Their ionic conductivity and water absorption were tested.At medium temperature (>75 deg C),the conductivity of approx 10~(-5) s com~(-1) was reached.The temperature dependence of conductivity could not be well expressed by both Arrhenius and VTF equations.When ionization level was fixed,the conductivity increased as the Mn of PDXL decreased.We also discussed the effect of ionization level on water absorption.
机译:制备了一系列以聚二氧戊环(PDXL)为软链段的新型聚氨酯离聚物,并通过傅里叶红外光谱,差示扫描量热法和动态力学分析对其进行了表征,得到的离聚物为Na〜+单离子导体,其离子电导率和水在中等温度(> 75摄氏度)下,电导率达到约10〜(-5)s com〜(-1).Arrhenius和VTF方程均不能很好地表达电导率的温度依赖性当电离水平固定时,电导率随PDXL Mn的降低而增加。我们还讨论了电离水平对吸水率的影响。

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