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Hydrophilicity and Anti-Fouling Performance of Polyethersulfone Membrane Modified by Grafting Block Glycosyl Copolymers via Surface Initiated Electrochemically Mediated Atom Transfer Radical Polymerization

Abstract

In this study, we synthesize the modified polyethersulfone membrane through surface-initiated electrochemically atom transfer radical polymerization of glucose allyl amide and cyclodextrin acrylic acid to construct block copolymer brushes on membrane surface. NMR is used to characterize the synthetic monomers; X-ray photoelectron spectroscopy, scanning electron microscopy, and atomic force microscopy are employed to characterize the chemical compositions, morphologies, and roughness of the membranes. The results of static water contact angle show that the modified membranes with polysaccharide surface have good hydrophilicity. In addition, filtration experiments fed with pure water and BSA show that both permeation and anti-fouling properties of fabricated membranes are improved compared with pristine polyethersulfone. These results show that the efficient approach of surface-initiated electrochemically atom transfer radical polymerization of saccharide monomer can be used for surface design and fabrication of polymer membrane, which can be employed for practical application in separation and purification fields.

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Publication details

The article was received on 27 Oct 2017, accepted on 09 Jan 2018 and first published on 10 Jan 2018


Article type: Paper
DOI: 10.1039/C7NJ04161F
Citation: New J. Chem., 2018, Accepted Manuscript
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    Hydrophilicity and Anti-Fouling Performance of Polyethersulfone Membrane Modified by Grafting Block Glycosyl Copolymers via Surface Initiated Electrochemically Mediated Atom Transfer Radical Polymerization

    D. Li, J. Wu, S. Yang, W. Zhang, X. Niu, Y. Chen and F. Ran, New J. Chem., 2018, Accepted Manuscript , DOI: 10.1039/C7NJ04161F

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