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Journal of Materials Science

, Volume 42, Issue 12, pp 4350–4355 | Cite as

Fabrication and characterization of PE/MMT nanocomposites via copolymerization of ethylene and in situ formed α-olefins

  • Jinhua Qian
  • Cun-Yue GuoEmail author
  • Hang Wang
  • Youliang Hu
Article

Abstract

An iron-based ethylene oligomerization catalyst, {[(2-ArN = C(Me))2C5H3N]FeCl2}(Ar = 2-CH3-4-OCH3(C6H4)) (Fe-Cat.) was synthesized and PE/MMT nanocomposites were prepared successfully employing the obtained catalyst supported on MMT and rac-Et(Ind)2ZrCl2 (Zr-Cat.) with ethylene as the single monomer and MAO the cocatalyst. The iron-based catalyst could oligomerize ethylene to α-olefins and they copolymerized with ethylene the same time to form PE/MMT nanocomposites in the interlayer of MMT under rac-Et(Ind)2ZrCl2. The catalytic system was of high polymeric activities towards ethylene copolymerization and produced branched PE matrix. Characterization of the resultant PE/MMT nanocomposites was performed with 13C nuclear magnetic resonance (NMR), X-ray diffraction (XRD), transmission electron microscopy (TEM), differential scanning calorimeter (DSC), and thermogravimetric analysis (TGA) etc. Also investigated were the mechanical properties of the resulting PE/MMT nanocomposites.

Keywords

Copolymerization Interlayer Spacing LDPE Thermal Gravimetric Analysis Ethylene Oligomerization 

Notes

Acknowledgements

The authors gratefully thank National Natural Science Foundation of China (Nos. 50573081, 50103012) for its financial support.

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Copyright information

© Springer Science+Business Media, LLC 2007

Authors and Affiliations

  • Jinhua Qian
    • 1
  • Cun-Yue Guo
    • 2
    Email author
  • Hang Wang
    • 2
  • Youliang Hu
    • 2
  1. 1.Science, Technology & Information Management DepartmentPetroChina Company LimitedBeijingP.R. China
  2. 2.Beijing National Laboratory for Molecular Sciences, Institute of ChemistryChinese Academy of SciencesBeijingP.R. China

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