Switchable living nickel(ii) α-diimine catalyst for ethylene polymerisation†
Omar
Padilla-Vélez, 
a
Kyle S.
O’Connor,
a
Anne M.
LaPointe,
a
Samantha N.
MacMillan
a
and
Geoffrey W.
Coates
*a
a
Kyle S.
O’Connor,
a
Anne M.
LaPointe,
a
Samantha N.
MacMillan
a
and
Geoffrey W.
Coates
*a
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.
- This article is part of the themed collection: Switchable Catalysis
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