Organic/Inorganic Support for Immobilizing Cp2ZrCl2/ TiCl4 Hybrid Catalyst to Prepare Bimodal Polyethylene

Wei Li

doi:10.4028/www.scientific.net/AMR.699.46

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HomeAdvanced Materials ResearchAdvanced Materials Research Vol. 699Organic/Inorganic Support for Immobilizing...

Organic/Inorganic Support for Immobilizing Cp₂ZrCl₂/ TiCl₄ Hybrid Catalyst to Prepare Bimodal Polyethylene

Abstract:

Organic/inorganic support for immobilizing hybrid catalyst (Cp₂ZrCl₂/ TiCl₄) was devised. Silica was the inorganic part using in the immobilization of Cp₂ZrCl₂. Subsequently, styrene and acrylic copolymer (PSA) was coated on the silica. TiCl₄ was finally supported on the PSA. PSA layer played obvious barrier ability to triethylaluminium (TEA) in the support which was observed by ethylene polymerization. This outstanding barrier property dramatically restrained the toxic effect of TEA to Cp₂ZrCl₂. Thus, the property of Cp₂ZrCl₂ could be maintained using cocatalyst TEA. Bimodal polyethylene was achieved cocatalysted by TEA.

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Advanced Materials Research (Volume 699)

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46-50

DOI:

https://doi.org/10.4028/www.scientific.net/AMR.699.46

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Online since:

May 2013

Authors:

Wei Li

Keywords:

Bimodal Polyethylene, Hybrid Catalyst, Organic/Inorganic Support

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