Morphology and Properties of Polyacrylonitrile/Na-MMT Nanocomposites Prepared via in-situ Polymerization with Macroazoinitiator

  • Jeong Han-Mo (Department of Chemistry, University of Ulsan) ;
  • Choi Mi-Yeon (Department of Chemistry, University of Ulsan) ;
  • Ahn Young-Tae (Department of Chemistry, University of Ulsan)
  • Published : 2006.06.01

Abstract

In the preparation of a polyacrylonitrile (PAN)/sodium montmorillonite (Na-MMT) nanocomposite via an in-situ polymerization method, macroazoinitiator (MAI) was intercalated in the gallery of Na-MMT to enhance the delamination of silicate layers by intergallery polymerization. The exfoliated fine dispersion observed by X-ray diffraction pattern and transmission electron microscopy, the enhanced tensile storage modulus and the thermal decomposition temperature showed that the intercalated MAI was effective in inducing intergallery polymerization and that a poly(ethylene glycol) block linked to a PAN block improved the dispersion of hydrophilic Na-MMT in the polymer matrix.

Keywords

References

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