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Title: Recent advances in Ni-mediated ethylene chain growth: N<inf>imine</inf>-donor ligand effects on catalytic activity, thermal stability and oligo-/polymer structure
Authors: Wang, Zheng
Liu, Qingbin
Solan, Gregory A.
Sun, Wen-Hua
First Published: 10-Jun-2017
Publisher: Elsevier
Citation: Coordination Chemistry Reviews, 2017
Abstract: Homogeneous nickel catalysts have a considerable track record for mediating ethylene chain growth in the form of oligomerization and more recently polymerization. Within the polymerization arena, high molecular weight materials incorporating various degrees of branching, anywhere from linear to moderately branched through to hyperbranched, highlight the versatility of this type of catalyst. This review focuses on recent progress related to structural modifications made to the pre-catalyst, and in particular to the multidentate Nimine-ligand manifold, and how these changes impact on thermal stability and activity of the catalyst as well as the microstructural properties of the polyethylene and the distribution of the oligomeric fractions. In addition to ongoing process development directed towards commodity-type polyolefinic materials, the emergence of nickel catalysts that can form elastomeric-type materials from a single ethylene feed, without the addition of a high-cost α-olefin such as 1-hexene or 1-octene, offers considerable opportunities for future commercial applications.
DOI Link: 10.1016/j.ccr.2017.06.003
ISSN: 0010-8545
Embargo on file until: 10-Jun-2018
Version: Post-print
Status: Peer-reviewed
Type: Journal Article
Rights: Copyright © 2017, Elsevier. Deposited with reference to the publisher’s open access archiving policy.
Description: The file associated with this record is under embargo until 12 months after publication, in accordance with the publisher's self-archiving policy. The full text may be available through the publisher links provided above.
Appears in Collections:Published Articles, Dept. of Chemistry

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