Catalytic Activity of Polymetalorganosiloxanes Supported on Silica in the Metathesis of a C–Cl Bond

Smirnov, V.V.; Levitskii, M.M.; Tarkhanova, I.G.; Nevskaya, S.M.; Golubeva, E.N.

Информация о цитировании статьи получена из Scopus
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Дата последнего поиска статьи во внешних источниках: 1 октября 2025 г.

Авторы: Smirnov V.V., Levitskii M.M., Tarkhanova I.G., Nevskaya S.M., Golubeva E.N.
Журнал: Kinetics and Catalysis
Том: 42
Номер: 4
Год издания: 2001
Издательство: Maik Nauka/Interperiodica Publishing
Местоположение издательства: Russian Federation
Первая страница: 506
Последняя страница: 510
DOI: 10.1023/A:1010521522181
Аннотация: The catalytic activity of structurally different Cu- and Ni-containing polymetalorganosiloxanes supported on silica was studied using the reaction of C–Cl bond metathesis in the carbon tetrachloride–saturated hydrocarbon (n-decane) system as an example. Catalysts with low metal contents were found to exhibit the highest activity; an increase in the metal content resulted in a decrease in both conversion and specific activity. At the initial portions of kinetic curves, the reaction was described by first-order rate equations with respect to n-decane; the reaction was of fraction order with respect to CCl4 and catalyst. The activation energy of the process in the n-decane–carbon tetrachloride system on a copper-containing network catalyst was 23 ± 2 kcal/mol. The mechanism of catalysis on immobilized catalysts from the above class is discussed.
Добавил в систему: Астахов Григорий Сергеевич

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Catalytic Activity of Polymetalorganosiloxanes Supported on Silica in the Metathesis of a C–Cl Bondстатья

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