Relevant bibliographies by topics / Nickel complexes for ethylene polymerization

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Academic literature on the topic 'Nickel complexes for ethylene polymerization'

Author: Grafiati
Published: 4 June 2021
Last updated: 18 February 2022

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Dissertations / Theses on the topic "Nickel complexes for ethylene polymerization"

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Alshmimri, Sultan. "The behaviour of β-triketimine nickel complexes in ethylene polymerization". Thesis, University of Manchester, 2016. https://www.research.manchester.ac.uk/portal/en/theses/the-behaviour-of-triketimine-nickel-complexes-in-ethylene-polymerization(3374d8ea-3d60-46ea-a51a-6a6b5239a1c2).html.

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Seven β-triketimine nickel complexes C1-C7 with composition [L1-7Ni(μ-Br)2NiL1- 7][BArF4]2, where L1 = HC{C(Me)=N(2,4,6-Me3C6H2)}3, L2 = HC{C(Me)=N(2,6- Me2C6H3)}3, L3 = HC{C(Me)=N(2,4-Me2C6H3)}3, L4 = HC{C(Me)=N(2-MeC6H4)}3, L5 = HC{C(Me)=N(2,4,6-Me3C6H2)}2{C(Me)=N(2,6-Me2C6H3)}, L6 = HC{C(Me)=N(2,4,6-Me3C6H2)}{C(Me)=N(2,6-Me2C6H3)}2, and L7 = HC{C(Me)=N(2,4,6-Me3C6H2)}{C(Me)=N(2,6-iPr2C6H3)}2 were synthesized from the interaction of nickel(II) bromide with L1-7 in the presence of NaBArF (BArF = [(3,5- (CF3)2C6H3)4B]−). These complexes were then fully characterized by single-crystal X- ray di
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Alsayary, Omar. "Group 4 and Group 10 post metallocene ethylene polymerization catalysis : catalyst structure-polymer properties relationship." Thesis, University of Manchester, 2010. https://www.research.manchester.ac.uk/portal/en/theses/group-4-and-group-10-post-metallocene-ethylene-polymerization-catalysis-catalyst-structurepolymer-properties-relationship(ae5d83a2-4e13-4b8c-b7cc-cf7d67667d3d).html.

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The new ligand L1 [2-[(E)-2,6-diisopropylphenyl-phenyimino]-2H-acenaphthylen-(1E)-ylidene]-(2,4,6-trimethyl-phenyl)-amine was prepared by stepwise addition of 2,6-diisopropylaniline and 2,4,6 trimethylaniline to acenaphthenequinone. The L1NiBr2 complex crystallized as a pseudo tetrahedral monomer, as determined by single crystal X-ray diffraction. This new catalyst L1NiBr2 and 3 related catalysts, bis(2,6-diisopropylphenyl)acenaphthenediimineNiBr2 (L2NiBr2), [(N,N'-bis-(2,6-diisopropylphenyl)-phenanthrene-9,10-diylidendiamineNi-η3-C3H4COOCH3)]+.{B[C6H3(CF3)2]4-} [(L3Ni-η3-C3H4COOCH3)]+.{B[C6H3
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De, Souza Roberto Fernando. "Etude des reactions d'oligomerisation, isomerisation et polymerisation de substrats insatures catalysees par des complexes allyle cationiques du nickel." Toulouse 3, 1987. http://www.theses.fr/1987TOU30152.

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Oligomerisation de l'ethylene. Mecanisme de l'isomerisation des olefines superieures en presence des complexes du titre. Polymerisation catalytique d'autres substrats insatures : styrene, dienes, alcynes. . . La polymerisation du phenylacetylene a ete etudiee en detail car elle conduit a des materiaux semiconducteurs a l'etat non dope
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Speiser, Fredy. "Oligomerisation of ethylene with Ni-complexes." Université Louis Pasteur (Strasbourg) (1971-2008), 2002. http://www.theses.fr/2002STR13221.

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Au cours de ce travail de thèse des nouvelles familles de ligands P-N, N-O bidentates et P-N tridentates ont étés préparés pour les utiliser en synthèse de complexes de Ni et Fe. Ces ligands possèdent un hétérocycle azoté à cinq ou six chaînons qui peut porter un groupement stériquement encombré et une fonctionnalité phosphorée dont la basicité peut être variée. La synthèse des complexes de Ni est réalisée dans des conditions très douces en faisant réagir des quantités équimolaires de ligand avec [NiCl2(DME)]. Les complexes préparés sont paramagnétiques de sorte qu'un grand nombre d'entre eux
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Ojwach, Stephen Otieno. "Heterocycle carbonyl pyrazolyl palladium(II) complexes :synthesis, ethylene oligomerisation and polymerisation catalysis." Thesis, University of the Western Cape, 2004. http://etd.uwc.ac.za/index.php?module=etd&amp.

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Kolhatkar, Nikhil Avinash. "Synthesis of 5-halo-3-methoxy-salicylaldiminato nickel catalysts and their use for ethylene polymerization in organic and aqueous media /." Online version of thesis, 2009. http://hdl.handle.net/1850/10655.

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7

Liu, Shaofeng. "Synthesis of transition metal complexes and their application for ethylene oligomerization and polymerization." Strasbourg, 2011. http://www.theses.fr/2011STRA6062.

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L’oligomérisation catalytique de l’éthylène qui conduit aux α-oléfines linéaires (C4-C20) est d’un intérêt considérable dans les milieux académiques et industriels en raison de leur utilisation croissante comme comonomères, lubrifiants, surfactants, etc. Nous nous sommes particulièrement intéressés à la chimie de coordination et à la catalyse de complexes métalliques porteurs de ligands hétérotopiques pour cette réaction. Avec le ligand bis(2-picolyl) phénylphosphine (NPN), de nouveaux complexes mononucléaires neutres et cationiques du Pd(II) ont été caractérisés ainsi que le complexe dinucléa
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8

Heydenrych, Greta. "A DFT study of the catalytic hydrocyanation of ethylene with nickel complexes." Thesis, Stellenbosch : Stellenbosch University, 2005. http://hdl.handle.net/10019.1/21456.

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Dissertation (PhD)--University of Stellenbosch, 2005.<br>ENGLISH ABSTRACT: DFT calculations employing the B3LYP functional were done to investigate the mechanism for the Ni-catalyzed hydrocyanation of ethylene as proposed by Tolman. Although this reaction is an important industrial process, its mechanism has never been studied computationally, apart from calculations pertaining to ligand tailoring. This study comprises a detailed configurational analysis of each step of the reaction cycle, charge decomposition analysis of pertinent species and analysis of the activation barriers involved at e
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Kermagoret, Anthony. "Synthesis of new iron and nickel complexes : Application in catalytic ethylene oligomerization." Université Louis Pasteur (Strasbourg) (1971-2008), 2007. https://publication-theses.unistra.fr/public/theses_doctorat/2007/KERMAGORET_Anthony_2007.pdf.

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Mon travail de thèse porte sur l’étude de la réaction catalytique d’oligomérisation avec des complexes de nickel, fer et cobalt coordinés par des ligands de type N-O, P-N, N-P-N, P-O et P-N-P avec le donneur N représenté par un hétérocycle oxazoline ou pyridine. Ces complexes, activés par des cocatalyseurs MAO ou AlEtCl2, ont montré de fortes activités et une grande sélectivité pour les oléfines C4 en oligomérisation de l’éthylène. Les complexes de nickel à chélates P-N ont montré l’importance des substituants du phosphore sur la sélectivité des oligomères formés. Par ailleurs, les études cris
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Parveen, Riffat. "Computational Studies of C-H Bond Activation and Ethylene Polymerization Using Transition Metal Complexes." Thesis, University of North Texas, 2019. https://digital.library.unt.edu/ark:/67531/metadc1505131/.

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This work discusses the C-H bond activation by transition metal complexes using various computational methods. First, we performed a DFT study of oxidative addition of methane to Ta(OC2H4)3A (where A may act as an ancillary ligand) to understand how A may affect the propensity of the complex to undergo oxidative addition. Among the A groups studied, they can be a Lewis acid (B or Al), a saturated, electron-precise moiety (CH or SiH), a σ-donor (N), or a σ-donor/π-acid (P). By varying A, we seek to understand how changing the electronic properties of A can affect the kinetics and thermodynamics
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