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Ultrafiltration mixed matrix nanocomposite membranes fabricated using functionalized MWCNT/nanoclay/polyvinylidene fluoride for BSA separation

Ultrafiltration mixed matrix nanocomposite membranes fabricated using functionalized... Hybrid nanocomposite membranes were prepared by incorporating various amounts of Cloisite 30B and oxidized MWCNTs in a polyvinylidene fluoride (PVDF) membrane as a matrix of polymer to achieve a novel mixed matrix membrane (MMM) with outstanding properties. Non-solvent-induced phase inversion (NIPS) method was utilized for the fabrication of all membranes. It was found that the use of both nanoclay and MWCNTs could provide a synergistic effect in the final hybrid nanocomposite membranes. The performance of the prepared membranes was evaluated by investigating their pure water flux, BSA protein rejection, and antifouling abilities. It was found that by addition of MWCNTs and nanoclay, the hydrophilic nature of the prepared membranes was enhanced considerably, leading to a superior flux in comparison with bare PVDF membrane. Furthermore, the membrane with the optimum composition provided a great BSA rejection performance (99.5%) with acceptable antifouling ability. The membranes morphology and their visible cavity and porosity were examined by scanning electron microscopy (SEM). Particle distribution in the membranes was characterized using energy-dispersive X-ray spectroscopy (EDX). The mechanical properties of the bare and hybrid nanocomposite membranes were characterized using strain–stress analysis (SSA) under service conditions. The prepared bare and blended hybrid nanocomposite membranes were characterized using Fourier transformed infrared (FTIR) spectroscopy.Graphical abstract[graphic not available: see fulltext] http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Iranian Polymer Journal Springer Journals

Ultrafiltration mixed matrix nanocomposite membranes fabricated using functionalized MWCNT/nanoclay/polyvinylidene fluoride for BSA separation

Iranian Polymer Journal , Volume 31 (5) – May 1, 2022

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References (36)

Publisher
Springer Journals
Copyright
Copyright © Iran Polymer and Petrochemical Institute 2022
ISSN
1026-1265
eISSN
1735-5265
DOI
10.1007/s13726-021-01017-5
Publisher site
See Article on Publisher Site

Abstract

Hybrid nanocomposite membranes were prepared by incorporating various amounts of Cloisite 30B and oxidized MWCNTs in a polyvinylidene fluoride (PVDF) membrane as a matrix of polymer to achieve a novel mixed matrix membrane (MMM) with outstanding properties. Non-solvent-induced phase inversion (NIPS) method was utilized for the fabrication of all membranes. It was found that the use of both nanoclay and MWCNTs could provide a synergistic effect in the final hybrid nanocomposite membranes. The performance of the prepared membranes was evaluated by investigating their pure water flux, BSA protein rejection, and antifouling abilities. It was found that by addition of MWCNTs and nanoclay, the hydrophilic nature of the prepared membranes was enhanced considerably, leading to a superior flux in comparison with bare PVDF membrane. Furthermore, the membrane with the optimum composition provided a great BSA rejection performance (99.5%) with acceptable antifouling ability. The membranes morphology and their visible cavity and porosity were examined by scanning electron microscopy (SEM). Particle distribution in the membranes was characterized using energy-dispersive X-ray spectroscopy (EDX). The mechanical properties of the bare and hybrid nanocomposite membranes were characterized using strain–stress analysis (SSA) under service conditions. The prepared bare and blended hybrid nanocomposite membranes were characterized using Fourier transformed infrared (FTIR) spectroscopy.Graphical abstract[graphic not available: see fulltext]

Journal

Iranian Polymer JournalSpringer Journals

Published: May 1, 2022

Keywords: Ultrafiltration (UF); Hybrid nanocomposite membranes; BSA rejection; Nanoclay; MWCNTs

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