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Ethylene polymerization with heterogeneous Ziegler-Natta catalysts

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Summary

TiCl4/SiO2, Ti(OC4H9)4/SiO2, MgCl2/TiCl4/SiO2 and MgCl2/Ti(OC4H9)4/SiO2 catalysts were prepared by treating silica gel with TiCl4, Ti(OC4H9)4, MgCl2/TiCl4 or MgCl2/Ti(OC4H9)4 in tetrahydrofuran (THF) solution. Ethylene polymerization was performed with these catalysts activated by common alkylaluminum compounds. The influence of magnesium dichloride on catalyst performance was investigated. MgCl2 has enhanced the catalyst activity for both titanium compounds. In addition, all catalyst systems were only active when they were washed with AlCl(C2H5)2 (DEAC).

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Authors and Affiliations

  1. Instituto de Ciências, Escola Federal de Engenharia de Itajubá, Av. BPS, 1303, PO Box 50, 37500-000, Itajubá/MG, Brazil

    Luiz Claudio de Santa Maria

  2. Instituto de Macromoléculas, Universidade Federal do Rio de Janeiro, PO Box 68525, 21945-970, Rio de Janeiro, Brazil

    Fernanda M. B. Coutinho, Marcos L. Dias & Maria C. M. Gonçalves

Authors
  1. Luiz Claudio de Santa Maria
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  2. Fernanda M. B. Coutinho
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  3. Marcos L. Dias
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  4. Maria C. M. Gonçalves
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de Santa Maria, L.C., Coutinho, F.M.B., Dias, M.L. et al. Ethylene polymerization with heterogeneous Ziegler-Natta catalysts. Polymer Bulletin 34, 563–567 (1995). https://doi.org/10.1007/BF00423352

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  • DOI: https://doi.org/10.1007/BF00423352

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