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author:

Li, J.-H. (Li, J.-H..) [1] | Li, M.-Z. (Li, M.-Z..) [2] | Miao, J. (Miao, J..) [3] | Wang, J.-B. (Wang, J.-B..) [4] | Shao, X.-S. (Shao, X.-S..) [5] | Zhang, Q.-Q. (Zhang, Q.-Q..) [6]

Indexed by:

Scopus

Abstract:

An attempt to improve hydrophilicity and anti-fouling properties of PVDF membranes, a novel amphiphilic zwitterionic copolymer poly(vinylidene fluoride)-graft-poly(sulfobetaine methacrylate) (PVDF-g-PSBMA) was firstly synthesized by atom transfer radical polymerization (ATRP) and used as amphiphilic copolymer additive in the preparation of PVDF membranes. The PVDF-g-PSBMA/PVDF blend membranes were prepared by immersion precipitation process. Fourier transform infrared attenuated reflection spectroscopy (FTIR-ATR) and X-ray photoelectronic spectroscopy (XPS) measurements confirmed that PSBMA brushes from amphiphilic additives were preferentially segregated to membrane-coagulant interface during membrane formation. The morphology of membranes was characterized by scanning electron microscopy (SEM). Water contact angle measurements showed that the surface hydrophilicity of PVDF membranes was improved significantly with the increasing of amphiphilic copolymer PVDF-g-PSBMA in cast solution. Protein static adsorption experiment and dynamic fouling resistance experiment revealed that the surface enrichment of PSBMA brush endowed PVDF blend membrane great improvement of surface anti-fouling ability. © 2012 Elsevier B.V.

Keyword:

Amphiphilic zwitterionic copolymer; Anti-fouling ability; Hydrophilicity; PVDF membrane

Community:

  • [ 1 ] [Li, J.-H.]Inst. of Biomedical and Pharmaceutical Technology and College of Chemistry and Chemical Engineering, Fuzhou University, Fuzhou 350001, China
  • [ 2 ] [Li, M.-Z.]Inst. of Biomedical and Pharmaceutical Technology and College of Chemistry and Chemical Engineering, Fuzhou University, Fuzhou 350001, China
  • [ 3 ] [Miao, J.]Inst. of Biomedical and Pharmaceutical Technology and College of Chemistry and Chemical Engineering, Fuzhou University, Fuzhou 350001, China
  • [ 4 ] [Wang, J.-B.]Inst. of Biomedical and Pharmaceutical Technology and College of Chemistry and Chemical Engineering, Fuzhou University, Fuzhou 350001, China
  • [ 5 ] [Shao, X.-S.]Inst. of Biomedical and Pharmaceutical Technology and College of Chemistry and Chemical Engineering, Fuzhou University, Fuzhou 350001, China
  • [ 6 ] [Zhang, Q.-Q.]Inst. of Biomedical and Pharmaceutical Technology and College of Chemistry and Chemical Engineering, Fuzhou University, Fuzhou 350001, China
  • [ 7 ] [Zhang, Q.-Q.]Institute of Biomedical Engineering, Chinese Academy of Medical Science, Peking Union Medical College, Tianjin 300192, China

Reprint 's Address:

  • [Li, J.-H.]Inst. of Biomedical and Pharmaceutical Technology and College of Chemistry and Chemical Engineering, Fuzhou University, Fuzhou 350001, China

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Source :

Applied Surface Science

ISSN: 0169-4332

Year: 2012

Issue: 17

Volume: 258

Page: 6398-6405

2 . 1 1 2

JCR@2012

6 . 3 0 0

JCR@2023

JCR Journal Grade:1

CAS Journal Grade:2

Cited Count:

WoS CC Cited Count:

SCOPUS Cited Count: 161

ESI Highly Cited Papers on the List: 0 Unfold All

WanFang Cited Count:

Chinese Cited Count:

30 Days PV: 4

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