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Macromolecular research v.13 no.2, 2005년, pp.102 - 106  

Preparation of Poly(methyl methacrylate)/Na-MMT Nanocomposites via in-Situ Polymerization with Macroazoinitiator

Jeong Han Mo    (Research Center for Machine Parts and Materials Processing, Department of Chemistry, University of Ulsan   ); Ahn Young Tae    (Research Center for Machine Parts and Materials Processing, Department of Chemistry, University of Ulsan  );
  • 초록

    Poly(methyl methacrylate) (PMMA)/sodium montmorillonite (Na-MMT) nanocomposites were prepared with a novel method utilizing a macroazoinitiator (MAI). To induce the intergallery polymerization of methyl methacrylate (MMA), the MAI containing a po1y(ethylene glycol) (PEG) segment was intercalated between the lamellae of Na-MMT and swelled with water to enhance the diffusion of MMA into the gallery. The structure of the nanocomposite was examined using X-ray diffraction and transmission electron microscopy, and the thermal properties were examined using differential scanning calorimetry and thermogravimetry. The PMMA/Na-MMT nanocomposite prepared by intergallery polymerization showed a distinct enhancement of its thermal properties; an approximately $30^{\circ}C$ increase in its glass transition temperature and an $80\sim100^{\circ}C$ increase in its thermal decomposition temperature for a $10\%$ weight loss.


  • 주제어

    poly(methyl methacrylate) .   sodium montmorillonite .   nanocomposite .   macroazoinitiator .   exfoliation.  

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 저자의 다른 논문

  • Jeong Han Mo (1)

    1. 2006 "Morphology and Properties of Polyacrylonitrile/Na-MMT Nanocomposites Prepared via in-situ Polymerization with Macroazoinitiator" Macromolecular research 14 (3): 312~317    
  • Ahn Young Tae (1)

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