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 …

Deciphering the structure of heterogeneous catalysts across scales using pair distribution function analysis

NK Zimmerli, CR Müller, PM Abdala - Trends in Chemistry, 2022 - cell.com
Heterogeneous catalysts are complex materials, often containing multiple atomic species
and phases with various degrees of structural order. The identification of structure …

Effect of the pore architecture of Ziegler-Natta catalyst on its behavior in propylene/1-hexene copolymerization

A Shams, M Mehdizadeh, HR Teimoury… - Journal of Industrial and …, 2022 - Elsevier
The role of the pore architecture of the Ziegler-Natta (ZN) catalysts in the propylene
polymerizations is unveiled, towards the catalyst activity, H 2–and comonomer-response …

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 …

The role of external donors in Ziegler–Natta catalysts through nudged elastic band simulations on realistic-scale models employing a universal neural network …

M Fushimi, D Damma - The Journal of Physical Chemistry C, 2024 - ACS Publications
This study undertakes a thorough computational exploration of Ziegler–Natta catalysis,
emphasizing the role of external donors, particularly dicyclopentyldimethoxysilane (D …

[HTML][HTML] Influence of the ethanol content of adduct on the Comonomer incorporation of related Ziegler–Natta catalysts in propylene (Co) polymerizations

M Mehdizadeh, F Karkhaneh, M Nekoomanesh… - Polymers, 2023 - mdpi.com
The aim of this work is to investigate the influence of the ethanol content of adducts on the
catalytic behavior of related Ziegler–Natta (ZN) catalysts in propylene homo-and …

[HTML][HTML] Influence of the synthetic procedure on the properties of three Ziegler-Natta catalysts with the same 1, 3-diether internal donor

M Milanesi, A Piovano, T Wada, J Zarupski… - Catalysis Today, 2023 - Elsevier
Being the main responsible for the huge production of polyolefins, heterogeneous Ziegler-
Natta catalysts are among the most important catalysts in the chemical industry and they …

DNP-SENS Formulation Protocols To Study Surface Sites in Ziegler–Natta Catalyst MgCl2 Supports Modified with Internal Donors

A Yakimov, J Xu, K Searles, WC Liao… - The Journal of …, 2021 - ACS Publications
Heterogeneous Ziegler–Natta propylene polymerization catalysts are today responsible for
the production of over 90% of polypropylene worldwide. These catalysts comprise an …

Investigation of the effect of Mg(OEt)2 manipulation on the ethylene and 1-butene co-polymerization performance of Ziegler-Natta catalysts

MH Jandaghian, Y Maddah, E Nikzinat… - … Science, Part A, 2021 - Taylor & Francis
Abstract Although Ziegler-Natta catalysts were discovered more than four decades ago,
many aspects of their characteristics are not fully understood. The effect of the support …

Advancing Ziegler-Natta catalysis with internal donors

VK Soni, R Rani, G Singh - European Polymer Journal, 2025 - Elsevier
Abstract Heterogeneous Ziegler-Natta catalysts are promising targets in rapidly growing
polyolefin sector. The progressive developments in catalyst evolution are majorly attributed …