Citation: Ye Wang, Ting-Ting Hu, Xiao-Long Han, Yu-Qi Wang, Ji-Ding Li. Fabrication of Cu(OH)₂ Nanowires Blended Poly(vinylidene fluoride) Ultrafiltration Membranes for Oil-Water Separation[J]. Chinese Journal of Polymer Science, ;2018, 36(5): 612-619. doi: 10.1007/s10118-018-2041-y shu

Fabrication of Cu(OH)₂ Nanowires Blended Poly(vinylidene fluoride) Ultrafiltration Membranes for Oil-Water Separation

Ye Wang ^a ,
Ting-Ting Hu ^a ,
Xiao-Long Han ^a,b,, ,
Yu-Qi Wang ^a ,
Ji-Ding Li ^b

a.
School of Chemical Engineering, Northwest University, Xi'an 710069, China
b.
The State Key Laboratory of Chemical Engineering, Department of Chemical Engineering, Tsinghua University, Beijing 100084, China

Corresponding author: Xiao-Long Han, hanxl@nwu.edu.cn
Received Date: 19 July 2017
Accepted Date: 8 September 2017
Available Online: 11 January 2018

Cu(OH)₂ nanowires were prepared and incorporated into poly(vinylidene fluoride) (PVDF) to fabricate Cu(OH)₂-PVDF ultrafiltration (UF) membrane via immersion precipitation phase inversion process. The effect of Cu(OH)₂ nanowires on the morphology of membranes was investigated by X-ray photoelectron spectroscopy (XPS), Fourier transform infrared (FTIR) spectroscopy, atomic force microscopy (AFM), scanning electron microscopy (SEM) and X-ray diffraction (XRD) measurements. The results showed that all the Cu(OH)₂-PVDF membranes had wider fingerlike pore structure and better hydrophilicity, smoother surface than pristine PVDF membrane due to the incorporation of Cu(OH)₂ nanowires. In addition, water flux and bovine serum albumin (BSA) rejection were also measured to investigate the filtration performance of membranes. The results indicated that all the Cu(OH)₂-PVDF membranes had high water flux, outstanding BSA rejection and excellent antifouling properties. It is worth mentioning that the optimized performance could be obtained when the Cu(OH)₂ nanowires content reached 1.2 wt%. Furthermore, the membrane with 1.2 wt% Cu(OH)₂ nanowires showed outstanding oil-water emulsion separation capability.
- Cu(OH)₂ nanowires,
- PVDF UF membrane,
- Oil-Water emulsion separation
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沈阳化工大学材料科学与工程学院沈阳 110142

Fabrication of Cu(OH)2 Nanowires Blended Poly(vinylidene fluoride) Ultrafiltration Membranes for Oil-Water Separation

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通讯作者: 陈斌, bchen63@163.com

Fabrication of Cu(OH)₂ Nanowires Blended Poly(vinylidene fluoride) Ultrafiltration Membranes for Oil-Water Separation