Study of the Molecular Structure of Ethylene-Propylene Copolymers Obtained with Catalysts of Different Composition Научная публикация
Журнал |
Makromolekulare Chemie up to 1993, continued as Macromolecular Chemistry and Physics
ISSN: 0025-116X |
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Вых. Данные | Год: 1987, Том: 188, Номер: 11, Страницы: 2573-2583 Страниц : 11 DOI: 10.1002/macp.1987.021881109 | ||
Авторы |
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Организации |
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Реферат:
The monomer composition and sequence distribution in ethylene-propylene copolymers (EPCs) obtained with supported titanium/magnesium (TMC) and vanadium/magnesium (VMC) catalysts as well as with titanium trichloride was studied by means of 13C NMR spectroscopy. Based on these data ethylene-propylene reactivity ratios were determined. The EPCs obtained on these catalysts are inhomogeneous in composition; the soluble fractions contain larger amounts of propylene. The microstructures of copolymers obtained on TMCs and TiCl3 are similar. For EPCs obtained on VMCs, propylene “head-to-head” or “tail-to-tail” inversions and a more homogeneous distribution of propylene are observed.
Библиографическая ссылка:
Yechevskaya L.G.
, Bukatov G.D.
, Zakharov V.A.
, Nosov A.V.
Study of the Molecular Structure of Ethylene-Propylene Copolymers Obtained with Catalysts of Different Composition
Makromolekulare Chemie up to 1993, continued as Macromolecular Chemistry and Physics. 1987. V.188. N11. P.2573-2583. DOI: 10.1002/macp.1987.021881109 WOS РИНЦ
Study of the Molecular Structure of Ethylene-Propylene Copolymers Obtained with Catalysts of Different Composition
Makromolekulare Chemie up to 1993, continued as Macromolecular Chemistry and Physics. 1987. V.188. N11. P.2573-2583. DOI: 10.1002/macp.1987.021881109 WOS РИНЦ
Даты:
Поступила в редакцию: | 10 нояб. 1986 г. |
Опубликована в печати: | 1 нояб. 1987 г. |
Опубликована online: | 12 мар. 2003 г. |
Идентификаторы БД:
Web of science | WOS:A1987L013500009 |
РИНЦ | 23623884 |
Chemical Abstracts | 1987:637642 |
Chemical Abstracts (print) | 107:237642 |
OpenAlex | W1501927677 |