Kinetics of Ethylene Polymerization on the Catalyst Cr(π-C3H5)3/SiO2 and Determination of the Number of Propagation Centers Full article
Journal |
Reaction Kinetics and Catalysis Letters
ISSN: 0133-1736 , E-ISSN: 1588-2837 |
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Output data | Year: 1974, Volume: 1, Number: 3, Pages: 261-265 Pages count : 5 DOI: 10.1007/BF02070891 | ||
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Abstract:
The kinetics of ethylene polymerization on a catalyst prepared by reacting tris (π-allyl) chromium with silica have been studied. The rate of polymerization is first order with respect to the monomer concentration; the activation energy is 5+1 kcal/mol. The number of propagation centers and the propagation rate constant (1.8×103 1/mol s at 50°C) have been determined using radioactive quenching agents (CH3OH3,14CO).
Изучена кинетика полимеризации этилена на катализаторе, полученном при взаимодействии трис-π-аллилхрома с силикагелем. Установлено, что скоростъ полимеризации имеет первый порядок по мономеру, энергия активации составляет 5+1 ккал/моль. С использованием радиоактивных ингибиторов (CH3OH3, C14O) определено число центров роста и константа скорости роста (1,8.103 л/моль сек, 50°).
Cite:
Zakharov V.A.
, Demin E.A.
, Yermakov Y.I.
Kinetics of Ethylene Polymerization on the Catalyst Cr(π-C3H5)3/SiO2 and Determination of the Number of Propagation Centers
Reaction Kinetics and Catalysis Letters. 1974. V.1. N3. P.261-265. DOI: 10.1007/BF02070891 WOS Scopus РИНЦ
Kinetics of Ethylene Polymerization on the Catalyst Cr(π-C3H5)3/SiO2 and Determination of the Number of Propagation Centers
Reaction Kinetics and Catalysis Letters. 1974. V.1. N3. P.261-265. DOI: 10.1007/BF02070891 WOS Scopus РИНЦ
Dates:
Submitted: | May 15, 1973 |
Published print: | Sep 1, 1974 |
Identifiers:
Web of science | WOS:A1974V490800001 |
Scopus | 2-s2.0-34250411493 |
Elibrary | 30984750 |
Chemical Abstracts | 1975:459411 |
Chemical Abstracts (print) | 83:59411 |
OpenAlex | W2018873462 |