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Author:

凌爱莲 (凌爱莲.) | 陈婧 (陈婧.) | 焦庆影 (焦庆影.)

Indexed by:

incoPat zhihuiya

Abstract:

一种聚丙烯腈-聚砜共混超滤膜及其制备方法属于改性超滤膜的制造技术领域。其特征在于:聚丙烯腈和聚砜的共混比在1∶1~10∶1间,它们在铸膜液中的浓度介于10~17%间,其添加剂可以是磷酸三乙酯、或冰乙酸95%、或三乙胺、或三乙醇胺、或苯、或二乙胺,其溶剂是二甲基甲酰胺,在制备时,少量添加剂要先于溶剂加入到共聚物中。与聚丙烯腈膜或聚砜膜相比,在同样截留率下,共混超滤膜的水通量可大为增加。

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Patent Info :

Type: 发明授权

Patent No.: CN94104420.3

Filing Date: 1994-04-25

Publication Date: 1998-01-28

Pub. No.: CN1037159C

Applicants: 北京工业大学

Legal Status: 未缴年费

Cited Count:

WoS CC Cited Count: 0

SCOPUS Cited Count:

ESI Highly Cited Papers on the List: 0 Unfold All

WanFang Cited Count:

Chinese Cited Count:

30 Days PV: 7

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