Chinese Journal of Polymer Science

, Volume 36, Issue 5, pp 612–619 | Cite as

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

  • Ye Wang
  • Ting-Ting Hu
  • Xiao-Long Han
  • Yu-Qi Wang
  • Ji-Ding Li
Article
  • 18 Downloads

Abstract

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.

Keywords

Cu(OH)2 nanowires PVDF UF membrane Oil-Water emulsion separation 

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Notes

Acknowledgments

This work was financially supported by the Postdoctoral Science Foundation of China (No. 2014M560802), the Natural Science Foundation of Education Department of Shaanxi Provincial Government (No. 16JK1755) and the State Key Laboratory of Chemical Engineering (No. SKL-ChE-16A04).

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Copyright information

© Chinese Chemical Society, Institute of Chemistry, Chinese Academy of Sciences and Springer-Verlag GmbH Germany, part of Springer Nature 2018

Authors and Affiliations

  • Ye Wang
    • 1
  • Ting-Ting Hu
    • 1
  • Xiao-Long Han
    • 1
    • 2
  • Yu-Qi Wang
    • 1
  • Ji-Ding Li
    • 2
  1. 1.School of Chemical EngineeringNorthwest UniversityXi’anChina
  2. 2.The State Key Laboratory of Chemical Engineering, Department of Chemical EngineeringTsinghua UniversityBeijingChina

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