Alkene Polymerization with Catalysts Containing Ionic Complexes[2L·M@dibenzo-18-crown-6]+[TiCl5·L]–(L = CH3CN, M = Li+, K+)

Авторы: Rishina L.A., Kissin Y.V., Lalayan S.S., Krasheninnikov V.G., Zabolotnov A.A., Tuskaev V.A., Gagieva S.Ch, Bulychev B.M.
Журнал: Polymer Science, Series B
Год издания: 2024
Издательство: Pleiades Publishing, Ltd
Местоположение издательства: Road Town, United Kingdom
DOI: 10.1134/S1560090424600256
Аннотация: The polymerization of ethylene and propylene and the copolymerization of ethylene with 1-octenewith novel type of post-metallocene catalysts containing ionic complexes [2L·M@dibenzo-18-crown-6]+[TiCl5·L]– (L = CH3CN, M = Li, K) are studied. The binary activator Al(C2H5)2Cl/Mg(C4H9)2 at [Al] : [Mg] ~ 3 is used as a cocatalyst. A linear crystalline polyethylene, an almost fully amorphous, atactic polypropylene,and statistical ethylene-1-octene copolymers containing from 2 to 9 mol % 1-octene are synthesized. Thecopolymers exhibit a broad molecular-weight distribution and a nonuniform composition distribution likecopolymers synthesized over classical Ziegler–Natta catalysts and many post-metallocene systems
Добавил в систему: Гагиева Светлана Черменовна

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