Ethylene Polymerization Using Catalysts Based on Binuclear Phenoxyimine Titanium Halide Complexes Научная публикация
Журнал |
European Polymer Journal
ISSN: 0014-3057 , E-ISSN: 1873-1945 |
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Вых. Данные | Год: 2012, Том: 48, Номер: 1, Страницы: 191-199 Страниц : 9 DOI: 10.1016/j.eurpolymj.2011.10.020 | ||||||
Ключевые слова | Binuclear titanium complexes, Catalytic activity, Ethylene polymerization, Phenoxy-imine catalysts, Thermal stability | ||||||
Авторы |
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Организации |
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Информация о финансировании (1)
1 | Сибирское отделение Российской академии наук |
Реферат:
Nine new binuclear titanium halide complexes were obtained on the basis of first synthesized tetradentate bis-phenoxyimine ligand precursors with different bridge linkages, including sterically hindered ones, between imine groups. Their binuclear character is confirmed by molecular weights, measured using vapor phase osmometry, MALDI–ToF and diffusion coefficients as determined by NMR–DOSY method. Catalytic activities of catalytic systems on the basis of the binuclear bis-salicylaldimine titanium complexes in ethylene polymerization were investigated. The studied catalytic systems appeared to be rather highly active, (10–70 kg(PE)/[mmol(Ti)·MPa·h]) and considerably more thermostable as compared to mononuclear analogs and made it possible to obtain polyethylenes of high and superhigh molecular weights. The effects of the bridge linkage between imine nitrogens and o-, p-substituents in the phenoxy-group were established.
Библиографическая ссылка:
Ivanchev S.S.
, Yakimansky A.V.
, Ivancheva N.I.
, Oleinik I.I.
, Tolstikov G.A.
Ethylene Polymerization Using Catalysts Based on Binuclear Phenoxyimine Titanium Halide Complexes
European Polymer Journal. 2012. V.48. N1. P.191-199. DOI: 10.1016/j.eurpolymj.2011.10.020 WOS Scopus РИНЦ
Ethylene Polymerization Using Catalysts Based on Binuclear Phenoxyimine Titanium Halide Complexes
European Polymer Journal. 2012. V.48. N1. P.191-199. DOI: 10.1016/j.eurpolymj.2011.10.020 WOS Scopus РИНЦ
Даты:
Поступила в редакцию: | 12 июл. 2011 г. |
Принята к публикации: | 31 окт. 2011 г. |
Опубликована online: | 9 нояб. 2011 г. |
Опубликована в печати: | 1 янв. 2012 г. |
Идентификаторы БД:
Web of science | WOS:000300078700020 |
Scopus | 2-s2.0-84155165449 |
РИНЦ | 17970664 |
Chemical Abstracts | 2011:1640599 |
Chemical Abstracts (print) | 156:193265 |
OpenAlex | W2009727702 |