选取二甲亚砜(DMSO)作聚醚砜(PES)与聚乙烯醇(PVA)混合体系的溶剂,采用静电纺丝法制备了PES/PVA复合超细纤维,再用水抽提去除纤维中的PVA组分,成功地获得了PES基多孔超细纤维.运用扫描电镜(SEM)、透射电镜(TEM)、原子力显微镜(AFM)等表征手法观测研究了不同PVA含量时纤维及孔洞的形貌.
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