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 …
Methylalumoxane–history, production, properties, and applications
HS Zijlstra, S Harder - European Journal of Inorganic Chemistry, 2015 - Wiley Online Library
Since its discovery, methylalumoxane (MAO) has become of great importance as a
cocatalyst in homogeneous olefin polymerization. The working principles of single‐site …
cocatalyst in homogeneous olefin polymerization. The working principles of single‐site …
Structure of methylaluminoxane (MAO): Extractable [Al(CH3)2]+ for precatalyst activation
L Luo, JM Younker, AV Zabula - Science, 2024 - science.org
Methylaluminoxane (MAO) is used as a precatalyst activator for million ton–scale production
of commercial polyolefins, but its precise structure and associated activation mechanisms …
of commercial polyolefins, but its precise structure and associated activation mechanisms …
Role (s) of TMA in polymerization
Quenched-flow data for propene polymerization with rac-Me2Si (2-Me-4-Ph-1-indenyl)
2ZrCl2/MAO support a picture where removal of MAO qualitatively changes the kinetic …
2ZrCl2/MAO support a picture where removal of MAO qualitatively changes the kinetic …
Revealing the Chemical Interactions between PMMA and TMA for Insights into Sequential Infiltration Synthesis
Sequential infiltration synthesis (SIS) is emerging as an important method for generating
novel hybrid inorganic–polymer materials and is predicted to have numerous applications in …
novel hybrid inorganic–polymer materials and is predicted to have numerous applications in …
Formation of octameric methylaluminoxanes by hydrolysis of trimethylaluminum and the mechanisms of catalyst activation in single‐site α‐olefin polymerization …
JT Hirvi, M Bochmann, JR Severn… - …, 2014 - Wiley Online Library
Hydrolysis of trimethylaluminum (TMA) leads to the formation of methylaluminoxanes (MAO)
of general formula (MeAlO) n (AlMe3) m. The thermodynamically favored pathway of MAO …
of general formula (MeAlO) n (AlMe3) m. The thermodynamically favored pathway of MAO …
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 …
Nature and structure of aluminum surface sites grafted on silica from a combination of high-field aluminum-27 solid-state NMR spectroscopy and first-principles …
The determination of the nature and structure of surface sites after chemical modification of
large surface area oxides such as silica is a key point for many applications and challenging …
large surface area oxides such as silica is a key point for many applications and challenging …
Formation, structure, and composition of methylaluminoxane
M Linnolahti, S Collins - ChemPhysChem, 2017 - Wiley Online Library
The structurally ill‐characterized methylaluminoxane (MAO) is the activator of choice in
olefin polymerization catalysis. We have carried out large scale and systematic quantum …
olefin polymerization catalysis. We have carried out large scale and systematic quantum …
Diversity of transformation of heteroallenes on acenaphthene-1, 2-diimine aluminum oxide
TS Koptseva, AA Skatova, MV Moskalev… - Dalton …, 2024 - pubs.rsc.org
The reactions of oxide [(dpp-bian) Al (μ2-O) 2Al (dpp-bian)](1)(dpp-bian= 1, 2-bis [(2, 6-
diisopropylphenyl) imino] acenaphthene) with phenyl-or cyclohexylisocyanates result in the …
diisopropylphenyl) imino] acenaphthene) with phenyl-or cyclohexylisocyanates result in the …