Výsledky vyhledávání

Ansa-zirconocenes bearing 5-NR2-6-alkyl-4-hydrocarbyl-2-methylindenyl moieties: Synthesis, structure, stereoselective polymerization of propylene

Autor: Tiina Vanne, Andrey F. Asachenko, Riitta Varzeshkhah, Alexander Z. Voskoboynikov, Dmitry V. Uborsky, Vyatcheslav V. Izmer, Pavel S. Kulyabin, Ivan A. Portnyagin, Alexey N. Tsarev, Luigi Resconi, Pascal Castro, Georgy P. Goryunov, Noureddine Ajellal

Publikováno v: Journal of Organometallic Chemistry. 892:41-50

A series of C2–symmetric SiMe2-bridged bis-indenyl zirconium complexes containing 2-methyl-4-aryl/isopropyl-5-amino/pyrrolyl-6-alkylindenyl fragments have been synthesized and unambiguously characterized. These complexes activated by MAO demonstrat

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::1c06e77fd9eb492b48506113465eed2d
https://doi.org/10.1016/j.jorganchem.2019.04.027

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Dimethyl-, diphenyl- and cyclotetramethylene silylchloride derivatives of guanidine, their synthesis and structure. Formation of pentacoordinated silicon compounds and an unexpected diionic disila-diguanidinium dichloride

Autor: Ove Andell, Ilpo Mutikainen, Tiina Vanne, Janne Maaranen

Publikováno v: Journal of Organometallic Chemistry. 691:240-246

The reaction of 1,3,4,6,7,8-hexahydro-2H-pyrimido[1,2a]pyrimidinyl potassium, [hpp]−K+ (1), with dimethyldichlorosilane, diphenyldichlorosilane or cyclotetramethylenedichlorosilane (1,1-dichloro silolane) in THF resulted in the formation of the in

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::4a47e22aad6983248326929a0767a70c
https://doi.org/10.1016/j.jorganchem.2005.09.002

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Ethylene-Propylene Copolymerisations: Effect of Metallocene Structure on Termination Reactions and Polymer Microstructure

Autor: Tiina Vanne, Kimmo Hakala, Barbro Löfgren, Tuulamari Helaja, Tapio Saarinen, Petri Lehmus, Antti Tynys

Publikováno v: Macromolecular Chemistry and Physics. 206:1043-1056

Ethylene-propylene (EP) copolymerisations were performed with two sterically different metallocenes activated by methylaluminoxane (MAO) in an attempt to better understand the effect of catalyst structure on termination reactions and polymer microstr

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::0c9b67462ee6d1752f2c1e6ca1f94a5c
https://doi.org/10.1002/macp.200400523

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Reactions of Me2Si(2-Me-4,5-BenzInd)Zr(Cl)(NEt2) and Me2Si(2-Me-4,5-BenzInd)ZrCl2 (BenzInd = benzindenyl) with trimethylaluminum and methylaluminumoxane: Correlation of spectroscopy and propene polymerizations

Autor: Tiina Vanne, Tanja Seraidaris, Tuulamari Helaja, Nora I. Mäkelä-Vaarne, Barbro Löfgren

Publikováno v: Journal of Polymer Science Part A: Polymer Chemistry. 43:6455-6464

The activity of metallocene/methylaluminumoxane (MAO) catalysts in olefin polymerization is highly dependent on both the alkylation and activation of the complexes. The leaving ligands have an important role in the complex activation, influencing the

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::7ba99817e9f85287beff319569bdf55c
https://doi.org/10.1002/pola.21125

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Akademický článek

Ethylene–Propylene Copolymerisations: Effect of Metallocene Structure on Termination Reactions and Polymer Microstructure.

Autor: Antti Tynys, Tapio Saarinen, Kimmo Hakala, Tuulamari Helaja, Tiina Vanne, Petri Lehmus, Barbro Löfgren

Publikováno v: Macromolecular Chemistry & Physics; May2005, Vol. 206 Issue 10, p1043-1056, 14p

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