Study of the Mechanism of Propagation and Transfer Reactions in the Polymerization of Olefins by Ziegler-Natta Catalysts, 1. Determination of the Number of Propagation Centers and the Rate Constant Научная публикация
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Macromolecular Chemistry and Physics
ISSN: 1022-1352 , E-ISSN: 1521-3935 |
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| Вых. Данные | Год: 1976, Том: 177, Номер: 3, Страницы: 747-761 Страниц : 15 DOI: 10.1002/macp.1976.021770314 | ||
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Реферат:
The number of propagation centers (Cp) and the propagation rate constant (Kp) in the polymerization of ethylene and propene in the presence of heterogeneous TiCl3 derived Ziegler-Natta catalysts of different composition were determined using the method of quenching the polymerization by radioactive carbon monoxide (14CO). The values of Kp, (1,2±0,3)·104 l mol−1 s−1 at 75°C for ethylene and (90±20) l mol−1 s−1 at 70°C for propene polymerization, significantly exceed those ones obtained by use of tritium tagged alcohols as quenching agents. Further, for the polymerization of olefins in the presence of TiCl3 based catalysts, the influence of catalyst composition, polymerization conditions, and monomer nature on Cp and Kp was studied.
Библиографическая ссылка:
Chumaevskii N.B.
, Zakharov V.A.
, Bukatov G.D.
, Kuznetzova G.I.
, Yermakov Y.I.
Study of the Mechanism of Propagation and Transfer Reactions in the Polymerization of Olefins by Ziegler-Natta Catalysts, 1. Determination of the Number of Propagation Centers and the Rate Constant
Macromolecular Chemistry and Physics. 1976. V.177. N3. P.747-761. DOI: 10.1002/macp.1976.021770314 WOS РИНЦ CAPlusCA OpenAlex
Study of the Mechanism of Propagation and Transfer Reactions in the Polymerization of Olefins by Ziegler-Natta Catalysts, 1. Determination of the Number of Propagation Centers and the Rate Constant
Macromolecular Chemistry and Physics. 1976. V.177. N3. P.747-761. DOI: 10.1002/macp.1976.021770314 WOS РИНЦ CAPlusCA OpenAlex
Даты:
| Поступила в редакцию: | 9 янв. 1975 г. |
| Принята к публикации: | 25 сент. 1975 г. |
| Опубликована в печати: | 1 мар. 1976 г. |
| Опубликована online: | 12 мар. 2003 г. |
Идентификаторы БД:
| Web of science: | WOS:A1976BK47400014 |
| РИНЦ: | 26553931 |
| Chemical Abstracts: | 1976:165260 |
| Chemical Abstracts (print): | 84:165260 |
| OpenAlex: | W1921467847 |