合成了以聚二氧戊环(PDXL)为软段的聚氨酯(PDXL-PU)以及聚乙二醇(PEG)、聚二氧戊环混合软段的聚氨酯,并进一步制备了聚氨酯/高氯酸锂型聚合物固体电解质.通过红外光谱分析、DSC分析以及复阻抗谱分析等方法对体系的结构及离子导电性能进行了研究.结果发现,PDXL-PU具有很低的软段微区玻璃化转变温度,PDXL软段对高氯酸锂有较强的溶剂化能力,体系的室温电导率可以达到10-5 S/cm以上.而PEG软段的引入则提高了样品软段微区的Tg,无助于提高掺杂样品的电导率.
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