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Fabrication of ultrafine fibrous polytetrafluoroethylene porous membranes by electrospinning

Published online by Cambridge University Press:  23 February 2011

Jie Xiong ,
Pengfei Huo  and
Frank K. Ko
Jie Xiong*
Affiliation:
Key Laboratory of Advanced Textile Materials and Manufacturing Technology, Ministry of Education, Zhejiang Sci-Tech University, Hangzhou 310018, China
Pengfei Huo
Affiliation:
Department of Materials Engineering, Zhejiang Sci-Tech University, Hangzhou 310018, China
Frank K. Ko
Affiliation:
Advanced Fibrous Materials, University of British Columbia, Vancouver, BC, V6T 1Z4, Canada
*
a) Address all correspondence to this author. e-mail: [email protected]
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Abstract

Poly(vinyl alcohol) (PVA) and poly(tetrafluoroethylene) (PTFE) emulsion were blended with different mass concentrations and the blended spinning solutions were electrospun into composite nanofibers. The influence of the blend ratio of PVA to PTFE and electrospinning technical parameters on the morphology and diameter of the composite nanofibers were investigated. According to the result of thermogravimetric analyzer analysis, the composite membrane was sintered at 390 °C. The membranes were then characterized by differential scanning calorimetry, attenuated total reflection-Fourier transform infrared (ATR-FTIR), and scanning electron microscopy, respectively. The mechanical properties of the membranes before and after sintering were analyzed through tensile testing. The results show that the PTFE porous membranes could be electrospun effectively, thus demonstrating their potential application as filter media.

Keywords

FiberMorphologyNanostructure
Type
Articles
Information
Journal of Materials Research , Volume 24 , Issue 9 , September 2009 , pp. 2755 - 2761
Copyright
Copyright © Materials Research Society 2009

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