ICCAS OpenIR
2-[1-(2,6-dibenzhydryl-4-chlorophenylimino)ethyl]-6-[1-aryliminoethyl]pyridyl cobalt dichlorides: Synthesis, characterization and ethylene polymerization behavior
He, Fan1,2; Zhao, Weizhen2; Cao, Xiao-Ping1; Liang, Tongling2; Redshaw, Carl3; Sun, Wen-Hua1,2
2012-08-15
Source PublicationJOURNAL OF ORGANOMETALLIC CHEMISTRY
ISSN0022-328X
Volume713Pages:209-216
AbstractA series of 2-[1-(2,6-dibenzhydryl-4-chlorophenylimino)ethyl]-6-[1-aryliminoethyl]pyridyl cobalt(II) dichloride complexes (Co1-Co5) were prepared and characterized by elemental and spectroscopic analysis. The molecular structures of the representative cobalt complexes Co1 and Co4 were determined by single-crystal X-ray diffraction, and revealed a pseudo-square-pyramidal geometry around each cobalt atom. Upon activation with either MMAO or MAO, all cobalt pre-catalysts exhibited high activities toward ethylene polymerization and produced polyethylene products with narrow molecular distributions (1.98-3.61) and molecular weights in the range 72.3-665 kg/mol; the latter is higher than any other molecular weight of polyethylenes obtained by previous cobalt pre-catalysts. Reaction parameters and the nature of the ligands were investigated for their influence on the resultant catalytic activities and properties of the polyethylene products obtained. (C) 2012 Elsevier B. V. All rights reserved.
KeywordUnsymmetrical Bis(Imino)Pyridine Cobalt Pre-catalyst Ethylene Polymerization Linear Polyethylene
DOI10.1016/j.jorganchem.2012.05.020
Indexed BySCI
Language英语
WOS IDWOS:000305707100028
PublisherELSEVIER SCIENCE SA
Citation statistics
Cited Times:41[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.iccas.ac.cn/handle/121111/48408
Collection中国科学院化学研究所
Corresponding AuthorCao, Xiao-Ping
Affiliation1.Lanzhou Univ, Coll Chem & Chem Engn, State Key Lab Appl Organ Chem, Lanzhou 730000, Peoples R China
2.Chinese Acad Sci, Inst Chem, Beijing Natl Lab Mol Sci, Key Lab Engn Plast, Beijing 100190, Peoples R China
3.Univ E Anglia, Sch Chem, Energy Mat Lab, Norwich NR4 7TJ, Norfolk, England
Recommended Citation
GB/T 7714
He, Fan,Zhao, Weizhen,Cao, Xiao-Ping,et al. 2-[1-(2,6-dibenzhydryl-4-chlorophenylimino)ethyl]-6-[1-aryliminoethyl]pyridyl cobalt dichlorides: Synthesis, characterization and ethylene polymerization behavior[J]. JOURNAL OF ORGANOMETALLIC CHEMISTRY,2012,713:209-216.
APA He, Fan,Zhao, Weizhen,Cao, Xiao-Ping,Liang, Tongling,Redshaw, Carl,&Sun, Wen-Hua.(2012).2-[1-(2,6-dibenzhydryl-4-chlorophenylimino)ethyl]-6-[1-aryliminoethyl]pyridyl cobalt dichlorides: Synthesis, characterization and ethylene polymerization behavior.JOURNAL OF ORGANOMETALLIC CHEMISTRY,713,209-216.
MLA He, Fan,et al."2-[1-(2,6-dibenzhydryl-4-chlorophenylimino)ethyl]-6-[1-aryliminoethyl]pyridyl cobalt dichlorides: Synthesis, characterization and ethylene polymerization behavior".JOURNAL OF ORGANOMETALLIC CHEMISTRY 713(2012):209-216.
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