Poly(vinylidene fluoride) (PVDF) membrane fabrication with an ionic liquid via non-solvent thermally induced phase separation (N-TIPs)

被引：0
|
作者：
Ting He
Xiaogang Li
Qian Wang
Yue Zhou
Xiaozu Wang
Zhaohui Wang
Naser Tavajohi
Zhaoliang Cui
机构：
[1] Nanjing Tech University,State Key Laboratory of Materials
[2] Nanjing Tech University,Oriented Chemical Engineering, College of Chemical Engineering
[3] Nanjing Tech University,National Engineering Research Center for Special Separation Membrane
[4] Umeå University,Jiangsu National Synergetic Innovation Center for Advanced Materials (SICAM)
来源：
Applied Water Science | 2022年 / 12卷
关键词：
PVDF membrane; β phase; Ionic liquid; N-TIPS;
D O I：
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学科分类号：
摘要：
In this paper, ionic liquid 1-butyl-3-methylimidazolium tetrafluoroborate was the first time successfully utilized as single solvent in preparing the PVDF membrane with a good performance by N-TIPs method. The effects of quenching temperature and hydrophilic additive content on the morphology, permeability, and strength of the membranes were studied. All the prepared PVDF membranes were proved to be a pure β phase by FTIR and XRD, possessing a narrow pore size distribution. By adjusting quenching temperature and additive content, membranes with a flux of 383.2 L/m2 h and concentrated pore diameter of 26 nm obtained.
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