Computational modeling of heterogeneous Ziegler-Natta catalysts for olefins polymerization

N Bahri-Laleh, A Hanifpour, SA Mirmohammadi… - Progress in Polymer …, 2018 - Elsevier
Abstract Since 1963, when Karl Ziegler and Giulio Natta were jointly awarded the Nobel
Prize for their discoveries of the catalytic polymerization of olefins with Ti-chlorides and Al …

Fundamental aspects of heterogeneous Ziegler–Natta olefin polymerization catalysis: An experimental and computational overview

J Kumawat, VK Gupta - Polymer Chemistry, 2020 - pubs.rsc.org
MgCl2 supported Ziegler–Natta (Z–N) catalysts have emerged as the most exciting chemical
process for polyolefin technology, which is responsible for the production of∼ 150 million …

Nontraditional catalyst supports in surface organometallic chemistry

RJ Witzke, A Chapovetsky, MP Conley… - ACS …, 2020 - ACS Publications
The field of Surface Organometallic Chemistry (SOMC) aims to blend the positive attributes
of homogeneous and heterogeneous catalysis. Significant insight into heterogeneous …

Surface effect of the MgCl2 support in Ziegler–Natta catalyst for ethylene polymerization: A computational study

K **e, S Xu, W Hao, J Wang, A Huang, Y Zhang - Applied Surface Science, 2022 - Elsevier
Abstract Ziegler–Natta (Z–N) catalyst is a remarkable catalyst for olefin polymerization in the
petrochemical industry. However, the role of each component remains unclear because of …

Effective dispersion of MgO nanostructure on biochar support as a basic catalyst for glucose isomerization

SS Chen, Y Cao, DCW Tsang… - ACS Sustainable …, 2020 - ACS Publications
Glucose isomerization to fructose is one of the most important reactions in the field of
biomass valorization. We demonstrate wood waste valorization with MgCl2 salt to …

Formation of highly active Ziegler–Natta catalysts clarified by a multifaceted characterization approach

A Piovano, T Wada, A Amodio, G Takasao, T Ikeda… - ACS …, 2021 - ACS Publications
Although the formation of nanosized and defective δ-MgCl2 is essential for the performance
of Ziegler–Natta catalysts, the process has not sufficiently been elucidated due to certain …

Electronic properties of Ti sites in Ziegler–Natta catalysts

A Piovano, M Signorile, L Braglia, P Torelli… - ACS …, 2021 - ACS Publications
Although Ziegler–Natta (ZN) catalysts play a major role in the polyolefin market, a true
understanding of their properties at the molecular level is still missing. In particular, there is a …

Flexible ligands in heterogeneous catalysts for olefin polymerization: Insights from spectroscopy

A Piovano, E Groppo - Coordination Chemistry Reviews, 2022 - Elsevier
Heterogeneous catalysis for olefin polymerization is one of the most relevant industrial
processes in terms of worldwide diffusion, material volume, and economic turnover. At the …

Demystifying Ziegler–Natta catalysts: The origin of stereoselectivity

A Vittoria, A Meppelder, N Friederichs, V Busico… - ACS …, 2017 - ACS Publications
Industrial Ziegler–Natta catalysts for polypropylene production are complex formulations
with a reputation for being “black boxes”. In this paper, we report the results of an extensive …

Orbital-scale understanding of the surface effect of the MgCl2 in the Ziegler–Natta catalyst for ethylene polymerization: A computational study

K **e, A Huang, P Zhang, X Wang, Y Zhang… - Chemical Engineering …, 2024 - Elsevier
Ziegler-Natta catalyst is a widely used olefin polymerization catalyst in petrochemical
industries. However, the role of each catalyst component is not clear due to the complexity of …