Results 41 to 50 of about 4,945 (173)
Synthesis of (Ind)2ZrCl2 Catalyst for Copolymerization of Ethylene and Propylene: Parameters Effect on Productivity [PDF]
علوم و تکنولوژی پلیمر, 2010 Bis(indenyl)zirconium dichloride as a catalyst was synthesized using a modified method at the room temperature. Polymerization of ethylene and copolymerization of ethylene and propylene were carried out by this metallocene catalyst. Ethylene propylene (P/
S. Ahmadjo +4 more
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Metallocene-Appended Imidazoles Displaying Virtual Planar Chirality
, 2016 (S)-1-(1-Alkylethyl)imidazoles 6a/b (alkyl = cyclohexyl, tert-butyl) containing a 2-(η5-cyclopentadienyl)(η4-tetraphenylcyclobutadiene)cobalt substituent are readily synthesized.
Geraint Jones (2182774) +1 more
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, 2016 Metallocene-Catalyzed Propene Polymerization: From Microstructure to Kinetics.
Michele Vacatello (2533219) +4 more
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The charge percolation mechanism and simulation of Ziegler–Natta polymerizations Part III. Oxidation states of transition metals [PDF]
Journal of the Serbian Chemical Society, 2006 The oxidation state of the transition metal (Mt) active centre is the most disputable question in the polymerization of olefins by Ziegler–Natta (ZN) and metallocene complexes.
BRANKA PILIC +5 more
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Materials Research, 2001 Polypropylene with special properties can be obtained by metallocenic catalysts. These catalytic systems represent the beginning of a new age in polyolefins technology. In this work, the influence of the addition of a syndiotactic polypropylene (s-PP) on
Maria de Fátima V. Marques +2 more
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Molecules, 2021 Homogeneous olefin polymerization catalysts are activated in situ with a co-catalyst ([PhN(Me)2-H]+[B(C6F5)4]− or [Ph3C]+[B(C6F5)4]−) in bulk polymerization media. These co-catalysts are insoluble in hydrocarbon solvents, requiring excess co-catalyst (>3
Hyun-Ju Lee +7 more
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Metallocene Polyethylene Wax Synthesis [PDF]
Macromolecules, 2020 Solid polymethylaluminoxane (sMAO) supported ansa-bridged permethylindenyl zirconocenes Me2SB(CpR,I*)ZrX2 ({(η5-C9Me6)Me2Si(η5-C5H3R)}ZrX2; R = H, Me, and nBu; X = Cl, Br, Me, and CH2Ph) have been ...
Lamb, JV +4 more
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ANSA-bridged and binuclear metallocene compounds of zirconium and hafnium
, 1994 This thesis describes the synthesis and characterisation of new mononuclear and binuclear zirconium and hafnium compounds containing ansa-bridged ligands.
Diamond, Gary M.
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Molecules, 2022 A combination of different types of redox-active systems in one molecule makes it possible to create coordination compounds with extended redox abilities, combining molecular and electronic structures determined by the features of intra- and ...
Svetlana V. Baryshnikova +1 more
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Acta Crystallographica Section E: Crystallographic Communications, 2017 The crystal structure of a solvated zirconocene pentafulvene complex with a bulky adamantylidene substitution pattern, namely (η5,η1-adamantylidenepentafulvene)bis(η5-cyclopentadienyl)zirconium(IV)–toluene–n-hexane (8/1/1), [Zr(C15H18)(C5H5)2]·0.125C7H8 ...
Malte Fischer +2 more
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