Issue 53, 2019

Switchable living nickel(ii) α-diimine catalyst for ethylene polymerisation

Abstract

Design and synthesis of a Ni(II) “sandwich” α-diimine complex (1) resulted in a switchable catalyst for the living polymerisation of ethylene over a range of temperatures and pressures. Varying these conditions produced a well-defined tetrablock copolymer comprising branched and highly linear polyethylenes. This copolymer improved the toughness of a phase separated LDPE/HDPE blend by nonreactive interfacial compatibilisation.

Graphical abstract: Switchable living nickel(ii) α-diimine catalyst for ethylene polymerisation

Supplementary files

Article information

Article type
Communication
Submitted
24 Apr 2019
Accepted
28 May 2019
First published
14 Jun 2019

Chem. Commun., 2019,55, 7607-7610

Author version available

Switchable living nickel(II) α-diimine catalyst for ethylene polymerisation

O. Padilla-Vélez, K. S. O’Connor, A. M. LaPointe, S. N. MacMillan and G. W. Coates, Chem. Commun., 2019, 55, 7607 DOI: 10.1039/C9CC03154E

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