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The Time Dependent Behavior of Linear Viscoelastic Polymers
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Research on Polypropylene Electret Melt-Blown Nonwoven Doped with Nano-Tourmaline
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Research on Polypropylene Electret Melt-Blown Nonwoven Doped with Nano-Tourmaline

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Abstract:

Electret filter composed of permanently charged electret fibers is a good material for environmental protection. A novel kind of electret melt-blown nonwovens (EMNs) doped with nano-tourmaline was developed by corona charging in this paper. The structure of web, mechanical properties, surface charge density and filtration efficiency of samples were discussed. The results showed that the structure of EMNs became loose and the initial surface charge density was increased markedly. Furthermore, the EMNs exhibited higher filtration efficiency and lower pressure drop, especially the content of nano-tourmaline was about 6 wt. %.

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Periodical:

Materials Science Forum (Volumes 675-677)

Pages:

449-452

DOI:

https://doi.org/10.4028/www.scientific.net/MSF.675-677.449

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Online since:

February 2011

Authors:

Wei Min Kang, Bo Wen Cheng, Xiao Ning Jiao, Ya Liu, Yuan Lin Ren

Keywords:

Corona Charging, Electtret, Melt-Blown Nonwoven, Polypropylene (PP), Tourmaline

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© 2011 Trans Tech Publications Ltd. All Rights Reserved

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