Advances in selective ethylene trimerisation–a critical overview

JT Dixon, MJ Green, FM Hess, DH Morgan - Journal of Organometallic …, 2004 - Elsevier
Linear alpha olefins such as 1-hexene are widely used in the chemical industry. Over the
past 15 years there has been considerable industrial interest in the selective trimerisation of …

Controlling the growth of polymer trees: concepts and perspectives for hyperbranched polymers

A Sunder, J Heinemann, H Frey - Chemistry–A European …, 2000 - Wiley Online Library
This article summarizes basic principles and recent progress in the field of cascade‐
branched polymers. Methods for the preparation of macromolecules with hyperbranched …

Palladium and nickel catalyzed chain walking olefin polymerization and copolymerization

L Guo, S Dai, X Sui, C Chen - Acs Catalysis, 2016 - ACS Publications
In this perspective, recent developments on palladium and nickel mediated chain walking
olefin polymerization and copolymerization with polar functionalized comonomers are …

Hyperbranched polyethylenes by chain walking polymerization: synthesis, properties, functionalization, and applications

Z Dong, Z Ye - Polymer Chemistry, 2012 - pubs.rsc.org
Structurally different from existing polyethylene grades, hyperbranched polyethylenes
(HBPEs) synthesized by Pd–diimine-catalyzed chain walking polymerization represent a …

Zirconium complexes of amine− bis (phenolate) ligands as catalysts for 1-hexene polymerization: Peripheral structural parameters strongly affect reactivity

EY Tshuva, I Goldberg, M Kol, Z Goldschmidt - Organometallics, 2001 - ACS Publications
Novel amine bis (phenolate) zirconium dibenzyl complexes were synthesized in quantitative
yields from a versatile family of chelating amine− bis ((2-hydroxyaryl) methyl) ligand …

Novel Branching Topology in Polyethylenes As Revealed by Light Scattering and 13C NMR

PM Cotts, Z Guan, E McCord, S McLain - Macromolecules, 2000 - ACS Publications
A group of polyethylenes synthesized using palladium α-diimine catalysts were studied
using 13C NMR spectroscopy, intensity light scattering, dynamic light scattering, and …

Switching a catalyst system from ethene polymerization to ethene trimerization with a hemilabile ancillary ligand

PJW Deckers, B Hessen… - Angewandte Chemie …, 2001 - Wiley Online Library
Angew. Chem. Int. Ed. 2001, 40, No. 13 WILEY-VCH Verlag GmbH, D-69451 Weinheim,
2001 1433-7851/01/4013-2517 $17.50+. 50/0 2517 phenyl group. It appears that the …

Control of Polymer Topology by Chain‐Walking Catalysts

Z Guan - Chemistry–A European Journal, 2002 - Wiley Online Library
Chain‐walking catalysts are demonstrated to control the branching topology of polyethylene
by tuning the competition between monomer insertion and chain isomerization (walking) …

Highly branched polyethylene oligomers via group IV-catalysed polymerization in very nonpolar media

Y Gao, J Chen, Y Wang, DB Pickens, A Motta… - Nature Catalysis, 2019 - nature.com
Early transition metal catalysts produce high-density and linear low-density polyethylenes
with spectacular efficiency. Nevertheless, these catalysts are ineffective in producing low …

Synthesis of functional olefin copolymers with controllable topologies using a chain-walking catalyst

G Chen, XS Ma, Z Guan - Journal of the American Chemical …, 2003 - ACS Publications
The branching topology of ethylene polar copolymers was for the first time successfully
controlled by copolymerization of ethylene with polar olefins using a palladium-bisimine …