Linear α-olefin oligomerization and polymerization catalyzed by metal-organic frameworks

A Alzamly, M Bakiro, SH Ahmed, LA Siddig… - Coordination Chemistry …, 2022 - Elsevier
In the industry of petrochemicals, oligomerization of α-olefins, mainly ethylene and
propylene, is an important process that produces linear α-olefins (LAOs). Industrial …

Control of coordination polymerization behavior by counter-anionic effects

R Tanaka, OA Ajala, Y Nakayama, T Shiono - Progress in Polymer Science, 2023 - Elsevier
In coordination polymerization chemistry, the most active species are cationic transition
metals which bear vacant sites for monomer coordination. The steric and electronic …

Mechanism of Single-Site Molecule-Like Catalytic Ethylene Dimerization in Ni-MFU-4l

ED Metzger, RJ Comito, CH Hendon… - Journal of the American …, 2017 - ACS Publications
A recently developed metal–organic framework (MOF) catalyst for the dimerization of
ethylene has a combination of selectivity and activity that surpasses that of commercial …

The multifaceted role of methylaluminoxane in metallocene-based olefin polymerization catalysis

MEZ Velthoen, A Muñoz-Murillo, A Bouhmadi… - …, 2018 - ACS Publications
In single-site olefin polymerization catalysis, a large excess of cocatalyst is often required for
the generation of highly active catalysts, but the reason for this is unclear. In this work …

Theoretical studies of the structure and function of MAO (methylaluminoxane)

E Zurek, T Ziegler - Progress in polymer science, 2004 - Elsevier
Single-site homogeneous catalysts need to be activated by a co-catalyst or counterion. The
high activity imparted by methylaluminoxane (MAO) has caused it to be one of the most …

Geometric and energetic aspects of aluminum nitride cages

HS Wu, FQ Zhang, XH Xu, CJ Zhang… - The Journal of Physical …, 2003 - ACS Publications
The structure and energy of aluminum nitride cages (AlN) n (n= 2− 41) have been
investigated theoretically. The most stable cages have been constructed on the basis of a …

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 …

Selective ethylene tetramerization: an overview

B Hao, F Alam, Y Jiang, L Wang, H Fan, J Ma… - Inorganic Chemistry …, 2023 - pubs.rsc.org
With greater market demand, interest in the selective production of linear α-olefins has been
increasing. This review discusses the principles underlying the evolution of the ligand …

Organometallic oxides of main group and transition elements downsizing inorganic solids to small molecular fragments

HW Roesky, I Haiduc, NS Hosmane - Chemical reviews, 2003 - ACS Publications
Metal oxides are important in numerous catalytic industrial processes, and the
understanding of their interactions with organic compounds is of great interest. 1 The …

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 …