Ferrous and cobaltous chloride complexes bearing 2-(1-(arylimino)methyl)-8-(1H-benzimidazol-2-yl)quinolines: Synthesis, characterization and catalytic behavior in ethylene polymerization

Xiao, Tianpengfei, Zhang, Shu, Li, Baixiang, Hao, Xiang, Redshaw, Carl, Li, Yue-Sheng and Sun, Wen-Hua (2011) Ferrous and cobaltous chloride complexes bearing 2-(1-(arylimino)methyl)-8-(1H-benzimidazol-2-yl)quinolines: Synthesis, characterization and catalytic behavior in ethylene polymerization. Polymer, 52 (25). pp. 5803-5810.

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Abstract

The series of ligands 2-(1-(arylimino)methyl)-8-(1H-benzimidazol-2-yl)quinolines was synthesized and used to prepare new iron(II) and cobalt(II) dichloride complexes. X-ray diffraction studies revealed that the coordination geometry around the metal center can best be described as distorted square-based pyramidal. Upon activation with methylaluminoxane (MAO), both families (Fe and Co) of complexes showed good activities in ethylene polymerization, affording highly linear polyethylenes. Enhanced activities were observed on increasing the reaction temperature to 100 °C. The optimization of the reaction parameters and the influence of the substituents on the imino-bound aryl group of the chelate ligands were investigated.

Item Type: Article
Faculty \ School: Faculty of Science > School of Chemistry
Depositing User: Rhiannon Harvey
Date Deposited: 21 Mar 2012 16:49
Last Modified: 21 Apr 2020 16:56
URI: https://ueaeprints.uea.ac.uk/id/eprint/38428
DOI: 10.1016/j.polymer.2011.10.037

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