Journal of East China Normal University(Natural Sc ›› 2008, Vol. 2008 ›› Issue (1): 99-105.

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Non-covalent functionalization of MWNT with PS in situminiemulsion polymerization(Chinese)

JIN Sheng-song, TANG Guo-qiang, WANG Hong-min,BIAN Cheng-xiang, XU Xue-cheng

  1. Department of Physics,East China Normal University,Shanghai 200062,China
  • Received:2007-03-13 Revised:2007-04-20 Online:2008-01-25 Published:2008-01-25
  • Contact: XU Xue-cheng

Abstract: PS(polystyrene)/MWNT(multi-walled carbon nanotubes) composite latexes were prepared via in situ miniemulsion polymerization.5% cross-linker DVB was added into monomer to make some PS fix on the surface of MWNT by cross-linking entanglement.The MWNT are covered with PS microspheres or thin film in the composite latex. After demulsification and removing free PS, MWNT in the obtained composite are still wrapped with some polymer and can be dispersed homogeneously in toluene.This method overcomes the difficulty of combination between polymer and MWNT in non-covalent functionalization.

Key words: polystyrene, dispersion, cross-linking, carbon nanotubes, polystyrene, dispersion, cross-linking

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