Polystyrene composites containing crosslinked polystyrene-multiwalled carbon nanotube balls

Crosslinked polystyrene-multiwalled carbon nanotube (PS-MWCNT) balls, which act as conductive microfillers, were prepared by the in situ suspension polymerization of styrene with MWCNTs and divinyl benzene (DVB) as a crosslinking agent. The diameters of the synthesized crosslinked PS-MWCNT balls ran...

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Veröffentlicht in:Journal of applied polymer science 2008-12, Vol.110 (6), p.3737-3744
Hauptverfasser: Kwon, Soon-Min, Kim, Hun-Sik, Kim, Don-Young, Yun, Young Soo, Jin, Hyoung-Joon
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container_issue 6
container_start_page 3737
container_title Journal of applied polymer science
container_volume 110
creator Kwon, Soon-Min
Kim, Hun-Sik
Kim, Don-Young
Yun, Young Soo
Jin, Hyoung-Joon
description Crosslinked polystyrene-multiwalled carbon nanotube (PS-MWCNT) balls, which act as conductive microfillers, were prepared by the in situ suspension polymerization of styrene with MWCNTs and divinyl benzene (DVB) as a crosslinking agent. The diameters of the synthesized crosslinked PS-MWCNT balls ranged from 10 to 100 μm and their electrical conductivity was about 7.7 x 10⁻³ S/cm. The morphology of the crosslinked PS-MWCNT balls was observed by scanning electron microscopy and transmission electron microscopy. The change in the chemical structure of the MWCNTs was confirmed by Raman spectroscopy and Fourier transform infrared spectroscopy. The mechanical and electrical properties of the PS/crosslinked PS-MWCNT ball composites were investigated. It was found that the tensile strength, ultimate strain, Young's modulus, and impact strength of the PS matrix were enhanced by the incorporation of the crosslinked PS-MWCNT balls. In addition, the mechanical properties of the PS/crosslinked PS-MWCNT ball composites were better than those of the PS/pristine MWCNT composites.
doi_str_mv 10.1002/app.29002
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source Wiley Online Library Journals Frontfile Complete
subjects Applied sciences
Composites
conductive microfiller
Exact sciences and technology
Forms of application and semi-finished materials
multiwalled carbon nanotubes
Polymer industry, paints, wood
polystyrene
solution casting
suspension polymerization
Technology of polymers
title Polystyrene composites containing crosslinked polystyrene-multiwalled carbon nanotube balls
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