Evaluation of poly(2-hydroxyethyl methacrylate) and poly(methyl methacrylate)-grafted poly(vinylidene fluoride)-poly(dimethylsiloxane) bilayers for gas separation

Evaluation of poly(2-hydroxyethyl methacrylate) and poly(methyl methacrylate)-grafted... Thin film composites (TFCs) of poly(2-hydroxyethyl methacrylate) (PHEMA) and poly(methyl methacrylate) (PMMA) chain-tethered poly(vinylidene fluoride)-poly(dimethylsiloxane) (PVDF-PDMS) were prepared as a gas separation membrane. PDMS was coated on the PVDF support using a dip coating method. PHEMA and PMMA were then grafted on PVDF-PDMS substrate by atom transfer radical polymerization. The PVDF-PDMS-PHEMA and PVDF-PDMS-PMMA trilayer membranes were studied by attenuated total reflection Fourier transform infrared spectroscopy, scanning electron microscopy, atomic force microscopy, water contact angle measurement, and X-ray photoelectron spectroscopy. The results of separation tests indicated that the CO2/N2 selectivity of PVDF-PDMS-PHEMA and PVDF-PDMS-PMMA TFCs increased by ∼2 and ∼3 times, respectively, compared to the solvent-extracted PVDF-PDMS support. http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Colloid Polymer Science Springer Journals

Evaluation of poly(2-hydroxyethyl methacrylate) and poly(methyl methacrylate)-grafted poly(vinylidene fluoride)-poly(dimethylsiloxane) bilayers for gas separation

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Publisher
Springer Berlin Heidelberg
Copyright
Copyright © 2017 by Springer-Verlag GmbH Germany
Subject
Chemistry; Polymer Sciences; Soft and Granular Matter, Complex Fluids and Microfluidics; Characterization and Evaluation of Materials; Physical Chemistry; Food Science; Nanotechnology and Microengineering
ISSN
0303-402X
eISSN
1435-1536
D.O.I.
10.1007/s00396-017-4124-7
Publisher site
See Article on Publisher Site

Abstract

Thin film composites (TFCs) of poly(2-hydroxyethyl methacrylate) (PHEMA) and poly(methyl methacrylate) (PMMA) chain-tethered poly(vinylidene fluoride)-poly(dimethylsiloxane) (PVDF-PDMS) were prepared as a gas separation membrane. PDMS was coated on the PVDF support using a dip coating method. PHEMA and PMMA were then grafted on PVDF-PDMS substrate by atom transfer radical polymerization. The PVDF-PDMS-PHEMA and PVDF-PDMS-PMMA trilayer membranes were studied by attenuated total reflection Fourier transform infrared spectroscopy, scanning electron microscopy, atomic force microscopy, water contact angle measurement, and X-ray photoelectron spectroscopy. The results of separation tests indicated that the CO2/N2 selectivity of PVDF-PDMS-PHEMA and PVDF-PDMS-PMMA TFCs increased by ∼2 and ∼3 times, respectively, compared to the solvent-extracted PVDF-PDMS support.

Journal

Colloid Polymer ScienceSpringer Journals

Published: Jun 29, 2017

References

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