From multisite polymerization catalysis to sustainable materials and all-polyolefin composites

M Stürzel, S Mihan, R Mülhaupt - Chemical reviews, 2016 - ACS Publications
Since the pioneering advances of Karl Ziegler and Giulio Natta during the early 1950s, a
continuing series of breakthroughs in research and industrial innovations have greatly …

A detailed model on kinetics and microstructure evolution during copolymerization of ethylene and 1-octene: from coordinative chain transfer to chain shuttling …

Y Mohammadi, M Ahmadi, MR Saeb… - …, 2014 - ACS Publications
We introduce a theoretical model based upon the kinetic Monte Carlo (KMC) simulation
approach capable of quantifying chain shuttling copolymerization (CSP) of ethylene and 1 …

Supported single‐site catalysts for slurry and gas‐phase olefin polymerisation

Y Choi, JBP Soares - The Canadian Journal of Chemical …, 2012 - Wiley Online Library
Early and late transition metal single‐site catalysts revolutionised the polyolefin
manufacturing industry and research with their ability to make polymers with uniform …

Realistic representation of kinetics and microstructure development during chain shuttling polymerization of olefin block copolymers

M Ahmadi, A Nasresfahani - Macromolecular Theory and …, 2015 - Wiley Online Library
Olefin block copolymers (OBCs) are new class of thermoplastic elastomers having low glass
transition temperature soft blocks and highly crystalline hard blocks synthesized by …

Novel SiO2‐Supported Chromium Oxide(Cr)/Vanadium Oxide(V) Bimetallic Catalysts for Production of Bimodal Polyethylene

R Cheng, X Xue, W Liu, N Zhao, X He… - Macromolecular …, 2015 - Wiley Online Library
Novel SiO2‐supported Cr–V bimetallic oxides catalysts, which were capable of one‐pot
synthesizing polyethylene with bimodal molecular weight distribution, had been successfully …

All-polyethylene compositions of ultrahigh molecular weight polyethylene (UHMWPE) synthesized in one-step ethylene polymerization with combinations of …

T Ushakova, S Gostev, E Starchak… - Iranian Polymer …, 2023 - Springer
Reactor polymer compositions (RPC) based on ultrahigh molecular weight polyethylene
(UHMWPE) and low molecular weight HDPE (LMWPE) were obtained by a single-stage …

Development of novel chromium oxide/metallocene hybrid catalysts for bimodal polyethylene

J Moreno, R Van Grieken, A Carrero, B Paredes - Polymer, 2011 - Elsevier
The investigation of a multicomponent catalyst in polyolefin field came up as an alternative
for synthesizing bimodal polymers in only one step process under constant reaction …

Effect of Alkyl Aluminums on Ethylene Polymerization Reactions with a Cr‐V Bimetallic Catalyst

B Liu, Z Tian, Y Jin, N Zhao, B Liu - Macromolecular Reaction …, 2018 - Wiley Online Library
The effect of introducing various types of alkyl aluminums directly into the catalyst and/or in
the polymerization process as cocatalyst on the efficiency of a Cr‐V bimetallic catalyst for …

Mixed and hybrid multisite catalysts for ethylene polymerization

IV Sedov, PE Matkovskiy - Russian Chemical Reviews, 2012 - iopscience.iop.org
Multisite catalytic systems for ethylene polymerization based on transition metal complexes
are considered. The relationship between the composition and properties of catalytic …

Chromium oxide/metallocene binary catalysts for bimodal polyethylene: Hydrogen effects

B Paredes, R van Grieken, A Carrero, J Moreno… - Chemical engineering …, 2012 - Elsevier
Bimodal resins came up to meet application requirements: low molecular weight for good
processability and high molecular weight for mechanical properties. For obtaining this …