Magnesium chloride modified with organoaluminium compounds as a support of the zirconocene catalyst for ethylene polymerisation |
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| Authors: | Wioletta Och?dzan-Siod?ak Maria Nowakowska |
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| Institution: | Institute of Chemistry, University of Opole, 48 Oleska Street, 45052 Opole, Poland |
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| Abstract: | This work describes the influence of the modification of the MgCl2(THF)2 and MgCl2 magnesium supports with the AlEt2Cl, MAO, AlEt3, AlMe3, and AlEt2Cl alkylaluminium compounds on heterogenisation of the bis(cyclopentadienyl) zirconium(IV) dichloride Cp2ZrCl2 catalyst. It was found that only the MgCl2(THF)2 support modified with AlEt2Cl gave the heterogeneous catalyst. On the contrary, application of a magnesium carrier modified by AlEt3, AlMe3, and MAO compounds only results in a homogeneous zirconocene catalyst. |
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| Keywords: | Metallocene catalysts Polyethylene (PE) Magnesium dichloride support Molecular weight distribution |
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