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Salt-Induced Fabrication of Superhydrophilic and Underwater Superoleophobic PAA-g-PVDF Membranes for Effective Separation of Oil-in-Water Emulsions
Zhang, WB; Zhu, YZ; Liu, X; Wang, D; Li, JY; Jiang, L; Jin, J; jjin2009@sinano.ac.cn
2014
Source PublicationANGEWANDTE CHEMIE-INTERNATIONAL EDITION
ISSN1433-7851
Volume53Issue:3Pages:856—860
AbstractConventional polymer membranes suffer from low flux and serious fouling when used for treating emulsified oil/water mixtures. Reported herein is the fabrication of a novel superhydrophilic and underwater superoleophobic poly(acrylic acid)-grafted PVDF filtration membrane using a salt-induced phase-inversion approach. A hierarchical micro/nanoscale structure is constructed on the membrane surface and endows it with a superhydrophilic/underwater superoleophobic property. The membrane separates both surfactant-free and surfactant-stabilized oil-in-water emulsions under either a small applied pressure (<0.3 bar) or gravity, with high separation efficiency and high flux, which is one to two orders of magnitude higher than those of commercial filtration membranes having a similar permeation property. The membrane exhibits an excellent antifouling property and is easily recycled for long-term use. The outstanding performance of the membrane and the efficient, energy and cost-effective preparation process highlight its potential for practical applications.
KeywordPoly(Vinylidene Fluoride) Membranes Oil/water Separation Ultrafiltration Membranes Hydrophilic Modification Phase-separation Surface Polymer Polyethersulfone Performance Resistance
Indexed BySCI
Language英语
WOS IDWOS:000330983300040
Citation statistics
Cited Times:418[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.sinap.ac.cn/handle/331007/14372
Collection中科院上海应用物理研究所2011-2019年
Corresponding Authorjjin2009@sinano.ac.cn
Recommended Citation
GB/T 7714
Zhang, WB,Zhu, YZ,Liu, X,et al. Salt-Induced Fabrication of Superhydrophilic and Underwater Superoleophobic PAA-g-PVDF Membranes for Effective Separation of Oil-in-Water Emulsions[J]. ANGEWANDTE CHEMIE-INTERNATIONAL EDITION,2014,53(3):856—860.
APA Zhang, WB.,Zhu, YZ.,Liu, X.,Wang, D.,Li, JY.,...&jjin2009@sinano.ac.cn.(2014).Salt-Induced Fabrication of Superhydrophilic and Underwater Superoleophobic PAA-g-PVDF Membranes for Effective Separation of Oil-in-Water Emulsions.ANGEWANDTE CHEMIE-INTERNATIONAL EDITION,53(3),856—860.
MLA Zhang, WB,et al."Salt-Induced Fabrication of Superhydrophilic and Underwater Superoleophobic PAA-g-PVDF Membranes for Effective Separation of Oil-in-Water Emulsions".ANGEWANDTE CHEMIE-INTERNATIONAL EDITION 53.3(2014):856—860.
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