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Preparation of Polytetrafluoroethylene Ultrafine Fiber Mats with Electrospinning Process

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Abstract:

Polytetrafluoroethylene (PTFE) ultrafine fibers mats were prepared by electrospinning of an aqueous PTFE dispersion and a small amount of poly(vinyl alcohol) (PVA) and subsequent heat-treatment. The influence of dispersions composition on the morphology of fabricated PTFE ultrafine fiber mats was investigated. The fabricated mats were characterized by attenuated total reflection-Fourier transform infrared (ATR-FTIR) and koniology tester. The results show that the PVA/PTFE mass ratio of 1:5 was suitable for the PTFE fibers formation. All the PVA in the electrospun PVA/PTFE mats was removed at 350 °C~390°C. The fabricated PTFE ultrafine fiber mats have the potential to be used as high-temperature filter.

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Periodical:

Materials Science Forum (Volumes 675-677)

Pages:

827-830

DOI:

https://doi.org/10.4028/www.scientific.net/MSF.675-677.827

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Online since:

February 2011

Authors:

Si Jun Zhu, Yuan Yuan Zhou, Ochi Takashi, Gang Wu

Keywords:

Electro-Spinning, Filter, PTFE, PVA

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© 2011 Trans Tech Publications Ltd. All Rights Reserved

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