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新型杂萘联苯聚醚砜酮中空纤维超滤膜的研制

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Indexed by: Journal Article

Date of Publication: 2006-08-25

Journal: 膜科学与技术

Included Journals: CSCD、ISTIC、PKU

Volume: 26

Issue: 4

Page Number: 36-38,43

ISSN: 1007-8924

Key Words: 聚醚砜酮;中空纤维;超滤膜

Abstract: 以杂萘联苯聚醚砜酮(PPESK)为膜材料,N-甲基-2-吡咯烷酮(NMP)为溶剂,乙二醇甲醚(EGME)、丁酮和1,4-二氧六环为添加剂,采用干-湿相转化法制备了中空纤维膜.考察了聚合物浓度、添加剂种类、添加剂含量和干纺程对中空纤维超滤膜性能的影响.结果表明,当干纺程为15~20 mm时,聚合物浓度为19%~22%,添加剂为乙二醇甲醚时,中空纤维膜对PEG6000的截留率高于95%,纯水通量为100~120 L/(m2·h).

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