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Synthesis and studies of catalysts prepared by supporting Hf(CH2Ph)4 on SiO2 and Al2O3

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Abstract

Catalysts prepared by supporting Hf(CH2Ph)4 on silica and alumina were studied. Their catalytic activity in ethylene polymerization was shown to increase considerably upon heating in hydrogen. IR spectroscopic studies of catalysts heated in hydrogen show the formation of surface Hf hydrides.

Abstract

Синтезированы и исследованы катализаторы, полученные нанесением Hf (CH2Ph)4 на силикагель и окись алюминия. Показано, что при прогреве катализаторов в среде водорода существенно повышается их активность в полимеризации зтилена. Методом ИК спектроскопии изучено взаимодействие катализаторов с водородом и установлено образование в этих системах поверхностных гидридов гафния.

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Authors and Affiliations

  1. Institute of Catalysis, 630090, Novosibirsk, USSR

    S. A. Vasnetsov, G. A. Nesterov & V. A. Zakharov

  2. Technische Hochschule Carl Schorlemmer, Leuna-Merseburg, DDR

    K. -H. Thiele & I. Scholtz

Authors
  1. S. A. Vasnetsov
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  2. G. A. Nesterov
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  3. V. A. Zakharov
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  4. K. -H. Thiele
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  5. I. Scholtz
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Vasnetsov, S.A., Nesterov, G.A., Zakharov, V.A. et al. Synthesis and studies of catalysts prepared by supporting Hf(CH2Ph)4 on SiO2 and Al2O3 . React Kinet Catal Lett 36, 383–388 (1988). https://doi.org/10.1007/BF02063835

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  • DOI: https://doi.org/10.1007/BF02063835

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