Study of the mechanism of propagation and transfer reactions in the polymerization of olefins by Ziegler-Natta catalysts, 3. Determination of the rate constants of chain transfer with an organo-alumimium cocatalyst |
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| Authors: | Gennadii D. Bukatov Nikolai B. Chumaevskii Vladimir A. Zakharov Galina I. Kuznetsova Yurii I. Yermakov |
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| Abstract: | By quenching polymerization with tritium-labelled methanol the total number of the metal-polymer bonds in the polymerization of ethylene and propylene by Ziegler-Natta catalysts was determined. Using the propagation rate constants determined by quenching polymerization with 14CO the rate constants of chain transfer with AlEt3 and Al(i-Bu)3 and the activation energy of chain transfer with AlEt3 were calculated. |
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