Synthesis and Deconstruction of Polyethylene-type Materials

ST Schwab, M Baur, TF Nelson, S Mecking - Chemical Reviews, 2024 - ACS Publications
Polyethylene deconstruction to reusable smaller molecules is hindered by the chemical
inertness of its hydrocarbon chains. Pyrolysis and related approaches commonly require …

A brief review on selected applications of hybrid materials based on functionalized cage-like silsesquioxanes

Ł John, J Ejfler - Polymers, 2023 - mdpi.com
Rapid developments in materials engineering are accompanied by the equally rapid
development of new technologies, which are now increasingly used in various branches of …

Polyethylene materials with in-chain ketones from nonalternating catalytic copolymerization

M Baur, F Lin, TO Morgen, L Odenwald, S Mecking - Science, 2021 - science.org
The world's most abundantly manufactured plastic, polyethylene, consists of inert
hydrocarbon chains. The introduction of reactive polar groups in these chains could help …

Core–Shell-Structured Carbon Nanotube@VS4 Nanonecklaces as a High-Performance Cathode Material for Magnesium-Ion Batteries

J Li, Y Xu, Y He, Z Zhang, C Zhu… - The Journal of Physical …, 2022 - ACS Publications
As a typical layered transition metal chalcogenide, VS4 is considered as a promising
cathode material for advanced magnesium-ion batteries. However, the poor electronic …

[HTML][HTML] Silica-magnesium-titanium Ziegler-Natta catalysts. Part 1: Structure of the pre-catalyst at a molecular level

J Zarupski, A Piovano, M Signorile, A Amodio, L Olivi… - Journal of …, 2023 - Elsevier
In this paper, which is the first part of a more extended work, we elucidate the molecular
level structure of a highly active SiO 2-supported Ziegler-Natta precatalyst obtained by …

[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 …

Correlating the morphological evolution of individual catalyst particles to the kinetic behavior of metallocene-based ethylene polymerization catalysts

MJ Werny, J Zarupski, IC Ten Have, A Piovano… - JACS Au, 2021 - ACS Publications
Kinetics-based differences in the early stage fragmentation of two structurally analogous
silica-supported hafnocene-and zirconocene-based catalysts were observed during gas …

Role of Titanium in Ti/SiO2‐Supported Metallocene‐based Olefin Polymerization Catalysts. Part 1: Genesis of Active Sites and Catalytic Performance

S Zanoni, A Welle, V Cirriez, BM Weckhuysen - ChemCatChem, 2023 - Wiley Online Library
Performance enhancement of metallocene‐based olefin polymerization catalysts can be
obtained, among others, by the chemical modification of their support. We investigated a …

Revealing the dynamic behaviors of tetrahydrofuran for tailoring the active species of Ziegler–Natta catalysts

P Liang, W Li, Y Chen, C Dong, Q Zhou, Y Feng… - ACS …, 2021 - ACS Publications
A full elucidation of chemisorbed donor behavior is of fundamental importance for tailoring
the active species but has not yet been achieved for Ziegler–Natta catalysts. Herein, by …

[HTML][HTML] Operando spectroscopies and heterogeneous olefin polymerization catalysis: A rare marriage with a lot of potential beyond usual understanding

E Groppo, A Piovano - Catalysis Today, 2024 - Elsevier
This short review summarizes the main results achieved in the field of operando
spectroscopies applied to heterogeneous catalysts for olefin polymerization. Following a …