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Title: Heterogeneous complexes of nickel MCM-41 with β-diimine ligands: applications in olefin oligomerization
Authors: Rossetto, Enéderson
Nicola, Bruna Pes
Souza, Roberto Fernando de
Bernardo-Gusmão, Katia
Pergher, Sibele Berenice Castellã
Keywords: Oligomerization;MCM-41;β-diimine;Nickel complex
Issue Date: Mar-2015
Publisher: Elsevier
Citation: ROSSETTO, Enéderson; NICOLA, Bruna Pes; SOUZA, Roberto Fernando de; BERNARDO-GUSMÃO, Katia; PERGHER, Sibele Berenice Castellã. Heterogeneous complexes of nickel MCM-41 with β-diimine ligands: applications in olefin oligomerization. Journal Of Catalysis, [s.l.], v. 323, p. 45-54, mar. 2015. ISSN 0021-9517. Disponível em: Acesso em 14 jul. 2020.
Portuguese Abstract: The β-diimine ligands 2-(phenyl)amine-4-(phenyl)imine-2-pentene and 2-(2,6-dimethylphenyl)amine-4-(2,6-dimethylphenyl)imine-2-pentene were combined with the alkoxysilane group chloropropyltrimethoxysilane (CPTMS) and covalently anchored to a mesoporous MCM-41 support; they were ordered via interactions with the silanols of the silica matrix and complexed with nickel. The complexes were synthesized for use in ethylene and propylene oligomerization and for comparing the results of homogeneous and heterogeneous systems. The support was first synthesized, calcined, anchored to the ligand, and then, complexed with nickel. These materials were characterized using various techniques, such as 1H, 13C, and 29Si NMR, small angle XRD, thermogravimetric analysis, adsorption isotherms, transmission electron microscopy, and flame atomic absorption spectroscopy, to confirm the success of the synthesis. Both homogeneous and heterogeneous complexes are active and selective for the reactions of ethylene and propylene oligomerization
ISSN: 0021-9517
Appears in Collections:IQ - Artigos publicados em periódicos

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