Professor
Supervisor of Doctorate Candidates
Supervisor of Master's Candidates
Title : Director of R & D Center of Membrane Science and Technology
Title of Paper:聚醚酰亚胺平板超滤膜的制备
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Date of Publication:2008-11-15
Journal:高分子材料科学与工程
Included Journals:EI、PKU、ISTIC、CSCD、Scopus
Volume:24
Issue:11
Page Number:169-171,175
ISSN No.:1000-7555
Key Words:聚醚酰亚胺(PEI);添加剂;超滤膜;相转化法
Abstract:采用浊点滴定法研究发现,非溶剂添加剂(NSA)对聚醚酰亚胺(PEI)溶液的凝胶能力顺序为:γ-丁内酯(γ-GBL)<聚乙二醇400(PEG400)<正丁醇(BuOH)<H2O.选取N,N-二甲基乙酰胺(DMAc)为溶剂,水为凝胶浴,采用相转化法制备了PEI平板超滤膜,研究γ-GBL、PEG400、BuOH、Ether和聚乙烯吡咯烷酮(PVP)五种添加剂对膜结构及性能的影响得出γ-丁内酯和正丁醇作添加剂时制得的膜的性能较好,纯水通量分别为623 L/m2·h和593 L/m2·h,对牛血清蛋白(BSA)的截留率分别为97.2%和91.7%.
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