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MCM-41 and SBA-15 supported Cp2ZrCl2catalysts for the preparation of nano-polyethylene fibres via in situ ethylene extrusion polymerization

Authors
Journal
Journal of Molecular Catalysis A Chemical
1381-1169
Publisher
Elsevier
Publication Date
Identifiers
DOI: 10.1016/j.molcata.2005.06.060
Keywords
  • Mcm-41 And Sba-15
  • Ethylene Polymerization
  • Nano-Polyethylene Fibres
  • Atmospheric Pressure
Disciplines
  • Mathematics

Abstract

Abstract Under atmospheric pressure, nano-polyethylene fibres were prepared via in situ ethylene extrusion polymerization, with MCM-41 and SBA-15 supported zirconocene dichloride (Cp 2ZrCl 2) catalytic systems, respectively. The effects of the geometrical structures and surface properties of MCM-41 and SBA-15 on the morphology of the resultant polyethylene, catalytic activity and polymerization rate were investigated and compared in various polymerization conditions. The possible formation mechanism of nano-polyethylene fibres with MCM-41 and SBA-15 supported Cp 2ZrCl 2 as catalyst was discussed.

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