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Kinetic studies on propylene polymerization using high-activity silica-supported Ziegler-Natta catalysts

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Abstract

This study concerns the use of silica-supported high-activity Ziegler-Natta catalysts for the polymerization of propylene under slurry conditions. In particular, two types of silica supports are investigated, viz, non-spray-dried and spray-dried materials. The effects of support structure on kinetic behavior are examined in some detail. The distribution of active centers in these silica-supported catalysts is investigated by EDAX and the morphologies of the catalyst particles and the polymer products are recorded by SEM. The results obtained are correlated with the kinetic behavior of the two catalyst systems and appropriate models for polymer particle growth are presented.

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Authors and Affiliations

  1. Department of Chemistry, UMIST, Manchester, M60 1QD, UK

    P. J. T. Tait & A. A. Moman

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  1. P. J. T. Tait
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  2. A. A. Moman
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The text was submitted by the authors in English.

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Tait, P.J.T., Moman, A.A. Kinetic studies on propylene polymerization using high-activity silica-supported Ziegler-Natta catalysts. Kinet Catal 47, 284–288 (2006). https://doi.org/10.1134/S0023158406020200

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  • DOI: https://doi.org/10.1134/S0023158406020200

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