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本文研究了以多嵌段聚乙二醇聚氨酯脲(PEUU)和高氯酸锂(LiClO_4)为原料制备的高分子固态离子导体的动态力学性能。文中讨论了 LiClO_4加入后对软段松弛的影响,利用 WLF 方程完成了贮能弹性模量 E’的频率-温度叠合曲线,并解释了造成松弛时间分布不同的原因。
In this paper, the dynamic mechanical properties of polymer solid ionic conductors prepared from multi-block polyethylene glycol polyurethane urea (PEUU) and lithium perchlorate (LiClO 4) were studied. The effect of LiClO_4 addition on soft segment relaxation is discussed in this paper. The frequency-temperature superposition curve of storage elastic modulus E ’is obtained by WLF equation and the reasons for the different distribution of relaxation time are explained.