以聚乙二醇(PEG)和聚四氢呋喃二元醇(PTMG)为混合软段,异佛尔酮二异氰酸酯、二羟甲基丙酸、乙二胺为硬段,LiOH为中和剂,合成了PEG/PTMG共聚软段水性聚氨酯脲(PUU),并掺杂LiClO4制备了一系列聚氨酯固体电解质;采用FTIR、DSC、交流阻抗实验考察了LiClO4含量对PUU/LiClO4固体电解质膜结构和性能的影响.研究表明,在PUU/LiClO4固体电解质膜中,Li+与PUU链段之间有相互作用力存在;当LiClO4浓度小于0.5mmol/g PUU时,Li+主要以自由离子形式存在,PUU/LiClO4固体电解质膜的电导率最高;当LiClO4浓度高于0.5mmol/g PUU时,Li+主要以离子对及离子簇形式存在.
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