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Strategies For Improving Electrospinability Of Polysulfone

Strategies For Improving Electrospinability Of Polysulfone

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Title: Strategies For Improving Electrospinability Of Polysulfone
Author: Borojeni, Iman Azarian
Zhou, Biao
Eichhorn, S. Holger
Identifier: CSME178
Abstract: The overall objective of this study is the fabrication of defect-free electrospun mats of polysulfone (PSU) for applications as a porous support for proton exchange membranes. Electrospinning of PSU from dimethylformamide (DMF) solution generated mats free of cast formation and over-wetting, but unspun droplets were frequently observed in the mats because the electrospun jet was unstable. A stable jet and a large reduction of beads in the electrospun mats were obtained with a mixture of 20 vol.% acetone in DMF. Subsequent optomization of the flow rate to 1.5 mL/h and the applied voltage to 14 kV generated electrospun mats free of any beads based on SEM analysis.
Subject: Materials Technology
Component
Electrospinning
Polysulfone (PSU)
Dimethylformamide (DMF)
Proton Exchange Membrane Fuel Cell (PEMFC)
Type: Article
Rights: The copyright for the paper content remains with the author.
URI: http://hdl.handle.net/10315/35424
http://dx.doi.org/10.25071/10315/35424
Published: CSME-SCGM
ISBN: 978-1-77355-023-7
Date: 2018-05

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