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Issue 42, 2016, Issue in Progress
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Fabrication and characterization of antifouling carbon nanotube/polyethersulfone ultrafiltration membranes

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Abstract

In this study, carbon nanotubes coated with poly(sulfobetaine methacrylate) (SBMA@CNT) particles were synthesized via a precipitation polymerization method. The SBMA@CNT particles were used as a novel kind of modifier to fabricate polyethersulfone (PES) ultrafiltration membranes by a non-solvent induced phase separation method (NIPS). During the membrane formation process, the surface segregation phenomenon of the SBMA@CNT particles was found, which was demonstrated by an energy dispersive spectrometer (EDS) mapping and X-ray photoelectron spectroscopy (XPS). This phenomenon was ascribed to the self-organization of hydrophilic SBMA@CNT particles spontaneously on the interface of membrane/water in the formation of membranes. In the ultrafiltration of a bovine serum albumin (BSA) feed solution, the best-performing membrane was found to effectively reduce protein adhesion. Its irreversible and reversible flux declines were remarkably decreased and the flux recovery was as high as 98.9%.

Graphical abstract: Fabrication and characterization of antifouling carbon nanotube/polyethersulfone ultrafiltration membranes

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Supplementary files

Article information


Submitted
01 Feb 2016
Accepted
05 Apr 2016
First published
07 Apr 2016

RSC Adv., 2016,6, 35532-35538
Article type
Paper

Fabrication and characterization of antifouling carbon nanotube/polyethersulfone ultrafiltration membranes

Q. Zhang, Y. Liu, Y. Su, R. Zhang, L. Fan, Y. Liu, T. Ma and Z. Jiang, RSC Adv., 2016, 6, 35532
DOI: 10.1039/C6RA02991D

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