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01470 am a22001933u 4500 |
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373683 |
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|a Zha, Jun-Wei
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|a Sun, Fang
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|a Wang, Si-Jiao
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|a Wang, Dongrui
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|a Lin, Xiang
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|a Chen, George
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|a Dang, Zhi-Min
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|a Improved mechanical and electrical properties in electrospun polyimide/multiwalled carbon nanotubes nanofibrous composites
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|c 2014-10-02.
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|z Get fulltext
|u https://eprints.soton.ac.uk/373683/1/2014-JAP.pdf
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|a Highly aligned polyimide (PI) and PI/multi-walled carbon nanotubes (PI/MWCNTs) nanofibrous composites by incorporating poly(ethylene oxide) as the dispersing medium were fabricated using electrospinning technique. The morphology, mechanical, and electrical properties of the electrospun nanofibrous composites were investigated. Scanning electron microscope showed that the functionalized MWCNTs (f-MWCNTs) were well dispersed and oriented along the nanofiber axis. Analysis of electrical properties indicated a remarkable improvement on the alternating current conductivity by introduction of the aligned f-MWCNTs. Besides, with addition of 3 vol.% f-MWCNTs, the obvious enhancement of tensile modulus and strength was achieved. Thus, the electrospun PI/MWCNTs nanofibrous composites have great potential applications in multifunctional engineering materials.
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