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Appl. Sci. 2016, 6(6), 159; doi:10.3390/app6060159

Styrene-Based Copolymer for Polymer Membrane Modifications

1
Membrane Research Laboratory, Department of Chemical Engineering, National Institute of Technology, Tiruchirappalli 620015, India
2
Department of Environmental Engineering, Konkuk University, Seoul 143-701, Korea
*
Authors to whom correspondence should be addressed.
Academic Editors: Samuel B. Adeloju and Mohamed Khayet
Received: 11 December 2015 / Revised: 15 May 2016 / Accepted: 17 May 2016 / Published: 24 May 2016
View Full-Text   |   Download PDF [3612 KB, uploaded 24 May 2016]   |  

Abstract

Poly(vinylidene fluoride) (PVDF) was modified with a styrene-based copolymer. The crystalline behavior, phase, thermal stability, and surface morphology of the modified membranes were analyzed. The membrane surface roughness showed a strong dependence on the styrene-acrylonitrile content and was reduced to 34% for a PVDF/styrene-acrylonitrile blend membrane with a 40/60 ratio. The thermal and crystalline behavior confirmed the blend miscibility of both polymers. It was observed in X-ray diffraction (XRD) experiments that the modified PVDF membranes show a drastic reduction in their crystallinity. The neat PVDF membrane has the highest degradation rate, which decreased with the addition of the styrene-based copolymer. View Full-Text
Keywords: PVDF membrane; membrane modification; crystalline behavior; hydrophilicity PVDF membrane; membrane modification; crystalline behavior; hydrophilicity
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MDPI and ACS Style

Srivastava, H.; Lade, H.; Paul, D.; Arthanareeswaran, G.; Kweon, J.H. Styrene-Based Copolymer for Polymer Membrane Modifications. Appl. Sci. 2016, 6, 159.

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