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Ethylene oligomerization, homopolymerization and copolymerization by iron and cobalt catalysts with 2,6-(bis-organylimino)pyridyl ligands

✍ Scribed by Claudio Bianchini; Giuliano Giambastiani; Itzel Guerrero Rios; Giuseppe Mantovani; Andrea Meli; Anna M. Segarra

Publisher: Elsevier Science
Year: 2006
Tongue: English
Weight: 977 KB
Volume: 250
Category: Article
ISSN: 0010-8545
DOI: 10.1016/j.ccr.2005.12.018

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✦ Synopsis

In this review are highlighted the key advances that have occurred in the discovery and development of 2,6-bis(imino)pyridyl iron(II) and cobalt(II) catalysts for the transformation of ethylene into linear and branched homopolymers or into ␣-olefins with either Schulz-Flory or Poisson distribution. Particular attention has been paid to studies of the electronic and geometrical structure of both supporting ligands and metal complexes as well as to the mechanisms of precatalyst activation, chain-propagation and chain-transfer.

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