A simplified method for preparation of hydrophilic PVDF membranes from an amphiphilic graft copolymer

Hashim, N. Awanis; Liu, Fu; Li, K.

doi:10.1016/j.memsci.2009.08.032

Cited by 189 publications

(77 citation statements)

References 33 publications

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“…28 Owing to the intrinsic property of most polymers, polymeric membranes tend to be oleophilic, which causes the aforementioned fouling issue and decline of flux, especially for treating oily wastewater. 20,29 To improve the hydrophilicity and antifouling performance of polymeric membranes, many approaches involving either blending with hydrophilic components [30][31][32] or surface modification [33][34][35] are used.…”

Section: Polymer-dominated Filtration Membranesmentioning

confidence: 99%

Recent progress in developing advanced membranes for emulsified oil/water separation

2014

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The separation of oily wastewater, especially emulsified oil/water mixtures, is a worldwide challenge because of the large amount of oily wastewater produced in many industrial processes and daily life. For the treatment of oily wastewater, membrane technology is considered the most efficient method because of its high separation efficiency and relatively simple operational process. In this short review, the recent development of advanced filtration membranes for emulsified oil/water mixture separation is presented. We provide an overview on both traditional filtration membranes, including polymer-dominated and ceramic-based filtration membranes, and recently developed nanomaterial-based functional filtration membranes, especially one-dimensional nanomaterials, for effectively treating emulsified oil/water mixtures. The liquid flux and antifouling property, which are the most important factors for membrane performance evaluation, are described for different types of membranes. Conclusions and perspectives concerning the future development of filtration membranes are also provided.

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Section: Polymer-dominated Filtration Membranesmentioning

confidence: 99%

Recent progress in developing advanced membranes for emulsified oil/water separation

2014

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“…Polysulfone (PS), polyethylene (PE), polyethersulfone (PES), polyvinylidene fluoride (PVDF), and polyvinyl chloride (PVC) have been used in the production of membranes [2]. PVDF is an especially beneficial material to prepare membranes because of its strong chemical resistance and mechanical properties [3][4][5][6][7][8]. Due to these advantages, PVDF has been widely used to fabricate membranes.…”

Section: Introductionmentioning

confidence: 99%

Improved Permeate Flux of PVDF Ultrafiltration Membrane Containing PVDF-g-PHEA Synthesized via ATRP

et al. 2015

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Polyvinylidene fluoride (PVDF) ultrafiltration (UF) membrane combined with polyvinylidene fluoride-graft-2-hydroxyethyl acrylate (PVDF-g-PHEA) was fabricated via non-solvent induced phase separation (NIPS). In this study, PVDF-g-PHEA was synthesized via atom transfer radical polymerization (ATRP) method, and then synthesized graft copolymer was characterized using Fourier transform infrared spectroscopy (FTIR), nuclear magnetic resonance (NMR) and thermogravimetry analysis (TGA). Moreover, PVDF membranes containing graft copolymer (PVDF-g-PHEA) showed lower water contact angle value than pristine PVDF membranes. Macrovoid holes were also observed in cross sectional scanning electron microscope (SEM) image of PVDF membrane containing PVDF-g-PHEA. Accordingly, it was confirmed that these characteristics led PVDF membrane blended with graft copolymer has high final permeate flux and normalized flux compared to pristine PVDF membrane.

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“…Among several approaches, atom-transfer radical polymerization (ATRP) has proven to be a valid tool for initiating polymerization for a wide range of monomers and even water can be used as the solvent for ATRP [23,24]. There are several studies on ATRP to fabricate hydrophilic and antifouling membranes [25][26][27]. For example, Chiang et al [27] grafted sulfobetaine methacrylate (SBMA) on the surface of poly(vinylidene fluoride) (PVDF) membrane with the ATRP method, and found that hardly any bovine serum albumin (BSA) adsorption was observed and the adsorption of c-globulin was also greatly reduced after SBMA grafting.…”

Section: Introductionmentioning

confidence: 99%

Enhancing the hydrophilic and antifouling properties of polypropylene nonwoven fabric membranes by the grafting of poly(N-vinyl-2-pyrrolidone) via the ATRP method

Wang

Feng

Yang

2011

Journal of Colloid and Interface Science

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A simplified method for preparation of hydrophilic PVDF membranes from an amphiphilic graft copolymer

Cited by 189 publications

References 33 publications

Recent progress in developing advanced membranes for emulsified oil/water separation

Recent progress in developing advanced membranes for emulsified oil/water separation

Improved Permeate Flux of PVDF Ultrafiltration Membrane Containing PVDF-g-PHEA Synthesized via ATRP

Enhancing the hydrophilic and antifouling properties of polypropylene nonwoven fabric membranes by the grafting of poly(N-vinyl-2-pyrrolidone) via the ATRP method

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