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 …

[HTML][HTML] Exploring microstructure of MgCl2· nEtOH adducts for Ziegler-Natta catalysts

R Bazvand, N Bahri-Laleh, H Abedini… - Journal of Molecular …, 2023 - Elsevier
The activation of MgCl 2 through the formation of MgCl 2· nEtOH adducts is considered the
principal step for the preparation of high performance Ziegler-Natta catalysts for olefins …

Kinetic features of ethylene polymerization over titanium–magnesium catalysts with different structures and morphology

TB Mikenas, VA Zakharov, MA Matsko - Iranian Polymer Journal, 2022 - Springer
Establishing a relationship between structural characteristics of a catalyst system and
morphology of polymer particles, on the one hand, and the kinetic characteristics of the …

Preparation of ultra high molecular weight amorphous poly (1‐hexene) by a Ziegler–Natta catalyst

S Ahmadjo - Polymers for Advanced Technologies, 2016 - Wiley Online Library
High molecular weight polymers such as poly (α‐olefin) s play a key role as drag‐reducing
agents which are commonly used in pipeline industry. Heterogeneous Ziegler–Natta catalyst …

Study of the composition and morphology of new modifications of titanium‐magnesium catalysts with improved properties in ethylene polymerization

TB Mikenas, EI Koshevoy… - Journal of Polymer …, 2016 - Wiley Online Library
Data on new modifications of supported titanium‐magnesium catalysts (TMCs) with
improved performance in ethylene polymerization are reported. These catalysts possess a …

Effect of adduct synthesis parameters on the ethylene polymerization kinetics of Ziegler Natta catalysts

F Nouri‐Ahangarani, N Bahri‐Laleh… - Journal of Applied …, 2023 - Wiley Online Library
Here, it is aimed to clarify the structure‐performance relationship in MgCl2 based Ziegler
Natta catalysts toward ethylene polymerizations. In this regard, 11 different adduct …

Storage time effect on dynamic structure of MgCl2. nEtOH adducts in heterogeneous Ziegler-Natta catalysts

N Hadian, S Hakim, M Nekoomanesh-Haghighi… - Polyolefins …, 2014 - poj.ippi.ac.ir
Primary MgCl2. 3.3 EtOH adduct (PCT1) was prepared by melt quenching method and then
submitted into a programmed thermal dealcoholation project using a fluidized bed reactor …

Ziegler‐Natta/metallocene hybrid catalyst for ethylene polymerization

M Ahmadi, R Jamjah, M Nekoomanesh… - Macromolecular …, 2007 - Wiley Online Library
A Ziegler‐Natta/metallocene hybrid catalyst was produced and utilized in the polymerization
of ethylene with the aim of producing bimodal polyethylene. The MgCl2 adduct was …

Effect of water on the supported Ziegler–Natta catalysts: optimization of the operating conditions by response surface methodology

A Rahbar, M Nekoomanesh-Haghighi, N Bahri-Laleh… - Catalysis Letters, 2015 - Springer
In this study different water containing adducts, with MgCl 2· nEtOH· mH 2 O formula, were
synthesized through melt quenching method. After characterization of support samples, the …

Effect of dealcoholation of support in MgCl2-supported Ziegler–Natta catalysts on catalyst activity and polypropylene powder morphology

E Jalali Dil, S Pourmahdian, M Vatankhah… - Polymer bulletin, 2010 - Springer
Spherical support was produced using melt quenching method. Scanning electron
microscopy (SEM) images showed that support particles have a rough surface morphology …