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ESR identification of formation stages for TiCl3 particles in catalysts for isoprene polymerization

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Abstract

The analysis of ESR spectra from the system TiCl4+ TIBA in solution under defreezing from 77 to 200 K permitted to identify formation stages of TiCl3 particles. At first well-ordered Ti 7+2 structures, and upon subsequent reduction [Ti 6+2 ]n are formed. It is the crystallization of the latter that produces TiCl3 particles.

Abstract

Анализ спектров ЭПР системы TiCl4+ТИБА в растворе по мере размораживания от 77 до 200 K позволил выделить стадии формирования частиц TiCl3: сначала образование упорядоченных структур Ti 7+2 , затем при последующем восстановлении-[Ti 6+2 ]n, кристаллизация которых и дает частицы TiCl3.

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Authors and Affiliations

  1. Institute of Catalysis, 630090, Novosibirsk, USSR

    V. V. Zakharov & V. F. Anufrienko

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  1. V. V. Zakharov
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  2. V. F. Anufrienko
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Zakharov, V.V., Anufrienko, V.F. ESR identification of formation stages for TiCl3 particles in catalysts for isoprene polymerization. React Kinet Catal Lett 43, 343–347 (1991). https://doi.org/10.1007/BF02064695

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  • DOI: https://doi.org/10.1007/BF02064695

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