Control of coordination polymerization behavior by counter-anionic effects
In coordination polymerization chemistry, the most active species are cationic transition
metals which bear vacant sites for monomer coordination. The steric and electronic …
metals which bear vacant sites for monomer coordination. The steric and electronic …
Fully tuneable ethylene–propylene elastomers using a supported permethylindenyl-phenoxy (PHENI*) catalyst
CGC Rice, LJ Morris, JC Buffet, ZR Turner… - Chemical …, 2023 - pubs.rsc.org
Using a highly active supported permethylindenyl-phenoxy (PHENI*) titanium catalyst, high
molecular weight ethylene–propylene (EPM) and ethylene–propylene–diene (EPDM) …
molecular weight ethylene–propylene (EPM) and ethylene–propylene–diene (EPDM) …
Impact of Methylaluminoxane Oxidation on Ethylene Polymerization Using Ni Catalysts
R Tanaka, K Sogo, K Komaguchi, K Ae… - …, 2022 - ACS Publications
The effect of oxidation of methylaluminoxane (MAO) on ethylene polymerization was
investigated to see the effect of aging and the possibility of using monomer gas that is not …
investigated to see the effect of aging and the possibility of using monomer gas that is not …
Towards designer polyolefins: highly tuneable olefin copolymerisation using a single permethylindenyl post-metallocene catalyst
CGC Rice, LJ Morris, JC Buffet, ZR Turner… - Chemical Science, 2024 - pubs.rsc.org
Using a highly active permethylindenyl-phenoxy (PHENI*) titanium catalyst, high to ultra-
high molecular weight ethylene–linear-α-olefin (E/LAO) copolymers are prepared in high …
high molecular weight ethylene–linear-α-olefin (E/LAO) copolymers are prepared in high …
Controlled hydrolysis of AlMe 3 to tetramethylalumoxane and a new look at incipient adducts with water
K Korona, I Justyniak, J Pogrebetsky… - Chemical …, 2024 - pubs.rsc.org
We present an efficient route to tetramethylalumoxane by the controlled hydrolysis of AlMe3
in the presence of pyridine. The AlMe3 (pyr) hydrolysis by 0.5 and 1 equiv. of H2O has been …
in the presence of pyridine. The AlMe3 (pyr) hydrolysis by 0.5 and 1 equiv. of H2O has been …
Efficient synthesis of thermoplastic elastomeric amorphous ultra-high molecular weight atactic polypropylene (UHMWaPP)
CGC Rice, JC Buffet, ZR Turner, D O'Hare - Polymer Chemistry, 2022 - pubs.rsc.org
The selective and high-yielding synthesis of fully amorphous ultra-high molecular weight
atactic polypropylene (UHMWaPP), with weight-average molecular weights (Mw) up to 2.0 …
atactic polypropylene (UHMWaPP), with weight-average molecular weights (Mw) up to 2.0 …
Supported permethylindenyl titanium catalysts for the synthesis of disentangled ultra-high molecular weight polyethylene (dis UHMWPE)
CGC Rice, JC Buffet, ZR Turner… - Chemical Communications, 2021 - pubs.rsc.org
Novel permethylindenyl-phenoxide (PHENI*) ansa-metallocene titanium complexes have
been synthesised and immobilised on inorganic solid supports to afford highly effective …
been synthesised and immobilised on inorganic solid supports to afford highly effective …
Spectroscopic studies of synthetic methylaluminoxane: Structure of methylaluminoxane activators
Abstract Hydrolysis of trimethylaluminum (Me3Al) in polar solvents can be monitored by
electrospray ionization mass spectrometry (ESI‐MS) using the donor additive …
electrospray ionization mass spectrometry (ESI‐MS) using the donor additive …
Real-time analysis of methylalumoxane formation
A Joshi, HS Zijlstra, E Liles, C Concepcion… - Chemical …, 2021 - pubs.rsc.org
Methylalumoxane (MAO), a perennially useful activator for olefin polymerization
precatalysts, is famously intractable to structural elucidation, consisting as it does of a …
precatalysts, is famously intractable to structural elucidation, consisting as it does of a …
Trends in Structure and Ethylene Polymerization Reactivity of Transition-Metal Permethylindenyl-phenoxy (PHENI*) Complexes
CG Collins Rice, JA Hayden, AD Hawkins… - …, 2024 - ACS Publications
A family of ansa-permethylindenyl-phenoxy (PHENI*) transition-metal chloride complexes
has been synthesized and characterized (1–7;{(η5-C9Me6) Me (R ″) Si (2-R-4-R …
has been synthesized and characterized (1–7;{(η5-C9Me6) Me (R ″) Si (2-R-4-R …