NMP/EtOH θ组成对PPESK气体分离膜性能的影响
Release Time:2019-03-10 Hits:
Indexed by: Journal Article
Date of Publication: 2008-04-25
Journal: 膜科学与技术
Included Journals: ISTIC、PKU
Volume: 28
Issue: 2
Page Number: 9-13
ISSN: 1007-8924
Key Words: 聚芳醚砜酮;θ组成;气体分离;复合膜
Abstract: 以含二氮杂萘酮结构的新型聚芳醚砜酮(PPESK)为底膜材料,以硅橡胶为涂层材料,制备了中空纤维气体分离复合膜.重点考察了N-甲基吡咯烷酮(NMP)/乙醇(EtOH)θ组成对气体分离膜性能的影响.结果表明,NMP/EtOHθ组成对膜性能有较明显的影响,采用略低于NMP/EtOHθ组成的铸膜液制备的膜分离性能较好.
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