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State of various stereoregulating electron-donating compounds in titanium-magnesium catalysts for propylene polymerization: A diffuse reflectance IR spectroscopic study

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Abstract

Propylene polymerization on TiCl4/donor/MgCl2 (donor = ethyl benzoate, dibutyl phthalate, diisobutyl phthalate, diethyl 2,3-diisopropylsuccinate) supported catalysts is considered. The states of the donors in the catalysts have been investigated by diffuse reflectance IR spectroscopy. Data characterizing the distribution of the donors and the active component (TiCl4) on the support surface have been obtained. Molecular weight distribution data for polypropylene are presented. The molecular weight distribution of polypropylene depends on the location of the donor and TiCl4 molecules.

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Authors and Affiliations

  1. Boreskov Institute of Catalysis, Siberian Branch, Russian Academy of Sciences, Novosibirsk, 630090, Russia

    A. G. Potapov, V. A. Zakharov & G. D. Bukatov

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  1. A. G. Potapov
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  2. V. A. Zakharov
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  3. G. D. Bukatov
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Original Russian Text © A.G. Potapov, V.A. Zakharov, G.D. Bukatov, 2007, published in Kinetika i Kataliz, 2007, Vol. 48, No. 3, pp. 426–431.

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Potapov, A.G., Zakharov, V.A. & Bukatov, G.D. State of various stereoregulating electron-donating compounds in titanium-magnesium catalysts for propylene polymerization: A diffuse reflectance IR spectroscopic study. Kinet Catal 48, 403–408 (2007). https://doi.org/10.1134/S0023158407030093

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  • DOI: https://doi.org/10.1134/S0023158407030093

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