研制了苯并12-冠-4(B12-C-4)+聚氯乙烯(PVC)+磷酸三丁酯(TBP)固态膜.实验考查了各种因素对Li+膜输送特性的影响.结果表明,增加膜上冠醚含量,提高内相溶液Li+浓度和渗析温度,降低离子溶剂化作用等可加快离子输送速率,但选择性将受到影响.论文对离子膜输送机理进行了讨论.Li+与冠醚化合物形成配合物后经膜相扩散输送,阴离子以离子对形式相随输送及H+的反相渗析以保持体系的电中性.
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