Particle and aerosol research (한국입자에어로졸학회지)

Korean Association for Particle and Aerosol Research (한국입자에어로졸학회)
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Polymerization of fibrous and high molecular weight polyethylene using MgCl2/SBA-16/TiCl4

  • Panpoom, Salinla (Materials Chemistry Research Center, Department of Chemistry, Faculty of Science, Khon Kaen University) ;
  • Klinsrisuk, Sujitra (Materials Chemistry Research Center, Department of Chemistry, Faculty of Science, Khon Kaen University) ;
  • Martwiset, Surangkhana (Materials Chemistry Research Center, Department of Chemistry, Faculty of Science, Khon Kaen University) ;
  • Poonsawat, Choosak (Materials Chemistry Research Center, Department of Chemistry, Faculty of Science, Khon Kaen University)
  • Received : 2015.08.03
  • Accepted : 2015.12.27
  • Published : 2015.12.31
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Abstract

SBA-16 (Santa Barbara Amorphous) was synthesized over supported $TiCl_4/MgCl_2$. Due to its high surface area and excellent morphological performance, it was expected to form the bi-supported catalytic system and be used for ethylene polymerization. Polymerization of ethylene was carried out at atmospheric pressure using hexane as solvent and triethylaluminium as cocatalyst. ICP, FTIR, DSC, TG-DTA were used to characterize polyethylene and catalyst product. Optimum conditions for ethylene polymerization were found to be 100 mL hexane, Al/Ti molar ratio of 160 and 1 h polymerization at $60^{\circ}C$. The activity of 396.76 kg PE/mol Ti.h.atm was achieved. Melting point of the obtained polymer was in the range of $132-135^{\circ}C$ and the highest degree of crystallization was 46%.

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