用5种二胺和4种二酐合成了2个系列8种不同结构的聚酰亚胺(PI)均质膜.测定了不同结构PI膜在质量分数为88%乙醇/水溶液中的溶胀特性,并讨论了不同二胺和二酐结构对渗透物分子在膜内的溶解特性的影响.
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