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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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