Nucleus-independent chemical shift profiles along the intrinsic distortion path for Jahn-Teller active molecules. Study on cyclopentadienyl radical and cobaltocene [PDF]
Journal of the Serbian Chemical Society, 2015 The aromatic/antiaromatic behavior of the cyclopentadienyl anion (Cp-), bis(η5-cyclopentadienyl)iron(II) (Fe(Cp)2), as well as of the Jahn-Teller (JT) active cyclopentadienyl radical (Cp∙) and bis(η5-cyclopentadienyl)cobalt(II) (Co(Cp)2) has ...
Anđelković Ljubica +3 more
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Charge Transfer in Metallocene Intercalated Transition Metal Dichalcogenides
, 2022 Intercalating redox active molecules into layered materials expands their functionality for emerging energy technologies. However, the mechanism of charge transfer to and from these small molecules within the confined environment of the layered host ...
Ding-Yuan, Kuo +3 more
core +1 more source
Immobilizing metallocene by solid polymethylaluminoxane “sMAO” for slurry-phase ethylene-1-hexene copolymerization [PDF]
MATEC Web of Conferences, 2022 In the field of olefin catalytic polymerization, metallocene catalysts show higher activity than traditional Ziegler-Natta catalysts. In this study, benzoic acid catalyzed the controlled hydrolysis of trimethylaluminum (TMA) to methylaluminoxane (MAO ...
Wu Chaofan +5 more
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Kinetic and microstructural studies of Cp2ZrCl2 and Cp2HfCl2-catalyzed oligomerization of higher α-olefins in mPAO oil base stocks production [PDF]
Polyolefins Journal, 2021 Herein a quenched-flow kinetic technique was applied to calculate the rate constants of 1-hexene and 1-octene oligomerization catalyzed by the Cp2ZrCl2 and Cp2HfCl2/MAO catalyst systems, and subsequently a mechanism for the higher α-olefin ...
Ahad Hanifpour +4 more
doaj +1 more source
Synthesis and Application of Bis[1,2-(4-aryl-2-alkyl-1H- inden-1-yl)]Ethane as an Efficient`Ligand for Preparation of Olefin Polymerization Catalysts [PDF]
Journal of Sciences, Islamic Republic of Iran, 2019 In this study, a class of bis-1,2-(4-aryl-2-alkyl-1H- inden-1-yl) ethane was synthesized and characterized by spectroscopic methods such as 1HNMR, 13CNMR, melting point and FTIR.
v. Lotfi +3 more
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Metallocene-Terminated Allylium Salts: The Effect of End Group on Localization in Polymethines
, 2016 A range of 1,3-di(metallocenyl)allylium salts [Mc(CH)3Mc‘]+[X]- {Mc, Mc‘ = ferrocenyl (Fc), 2,3,4,5,1‘,2‘,3‘,4‘-octamethylferrocen-1-yl (Fc‘ ‘), ruthenocenyl (Rc); X = BF4, PF6} was synthesized by reaction of (2-lithiovinyl)metallocenes with ...
Lawrence M. Henling (1476565) +6 more
core +2 more sources
Metallocene Polypropylene Crystallization Kinetic During Cooling in Rotational Molding Thermal Condition [PDF]
, 2013 This article is part of an ambitious project. The aim is to simulate mechanical properties of rotomolded part from micro-structure consideration. Main objective here is to consider metallocene polypropylene crystallization kinetic (PP) during cooling ...
Krawczak, P +6 more
core +1 more source
Acta Crystallographica Section E: Crystallographic Communications, 2020 Bis[η5-(tert-butoxycarbonyl)cyclopentadienyl]dichloridotitanium(IV), [Ti(C10H13O2)2Cl2], was synthesized from LiCpCOOt-Bu using TiCl4, and was characterized by single-crystal X-ray diffraction and 1H NMR spectroscopy.
Jackson S. McCarthy +3 more
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Modeling intraparticle transports during propylene polymerizations using supported metallocene and dual function metallocene as catalysts: Single particle model [PDF]
Chemical Industry and Chemical Engineering Quarterly, 2014 Two improved multigrain models (MGMs) for preparing homopolypropylene and long chain branched polypropylene via propylene polymerization using silica-supported metallocene or dual function metallocene as catalysts are presented in this paper ...
Li Hua-Rong, Che Liming, Luo Zheng-Hong
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Molecules, 2021 The copolymerization of ethylene‒diene conjugates (butadiene (BD), isoprene (IP) and nonconjugates (5-ethylidene-2-norbornene (ENB), vinyl norbornene VNB, 4-vinylcyclohexene (VCH) and 1, 4-hexadiene (HD)), and terpolymerization of ethylene-propylene ...
Amjad Ali +9 more
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