Computational modeling of heterogeneous Ziegler-Natta catalysts for olefins polymerization
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 …
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
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 …
process for polyolefin technology, which is responsible for the production of∼ 150 million …
Toward a unified model explaining heterogeneous Ziegler–Natta catalysis
We propose a model for MgCl2-supported Ziegler–Natta catalysts, which is capable to
reconcile the discrepancies emerging in the last 20 years, in which attempts have been …
reconcile the discrepancies emerging in the last 20 years, in which attempts have been …
The role of electron donors on lateral surfaces of MgCl2-supported Ziegler–Natta catalysts: Observation by AFM and SEM
An active model for a Ziegler–Natta propylene polymerization catalyst has been prepared by
spin-coating of a MgCl2/diether donor solution in ethanol on a flat silicon wafer, followed by …
spin-coating of a MgCl2/diether donor solution in ethanol on a flat silicon wafer, followed by …
Effects of Internal and External Donors on the Regio‐ and Stereoselectivity of Active Species in MgCl2‐Supported Catalysts for Propene Polymerization
JC Chadwick, G Morini, G Balbontin… - Macromolecular …, 2001 - Wiley Online Library
Poly (propylene) s prepared using MgCl2‐supported catalysts containing different electron
donors have been characterized using temperature rising elution fractionation (TREF), gel …
donors have been characterized using temperature rising elution fractionation (TREF), gel …
Multimodal polymers with supported catalysts
AR Albunia, F Prades, D Jeremic - Springer, 2019 - Springer
Polyethylene, or, more accurately, low-density polyethylene, LDPE, was the first synthetic
polyolefin discovered in the early 1930s by the ICI scientists Gibson and Fawcett [1]. The …
polyolefin discovered in the early 1930s by the ICI scientists Gibson and Fawcett [1]. The …
Advances in propene polymerization using MgCl2‐supported catalysts. Fundamental aspects and the role of electron donors
JC Chadwick - Macromolecular Symposia, 2001 - Wiley Online Library
The fundamental factors determining the performance of state‐of‐the‐art MgCl2‐supported
catalysts for polypropylene are becoming increasingly evident. Polymer yield, isotacticity …
catalysts for polypropylene are becoming increasingly evident. Polymer yield, isotacticity …
Mechanism of Propylene Polymerization with MgCl2-Supported Ziegler–Natta Catalysts Based on Counting of Active Centers: The Role of External Electron Donor
X Shen, Z Fu, J Hu, Q Wang, Z Fan - The Journal of Physical …, 2013 - ACS Publications
Four R1R2Si (OMe) 2 type compounds were added as an external electron donor (De) in
propylene polymerization with TiCl4/Di/MgCl2 type supported Ziegler–Natta catalysts (Di …
propylene polymerization with TiCl4/Di/MgCl2 type supported Ziegler–Natta catalysts (Di …
Stereospecific Nature of Active Sites on TiCl4/MgCl2 Ziegler–Natta Catalyst in the Presence of an Internal Electron Donor
B Liu, T Nitta, H Nakatani… - … Chemistry and Physics, 2003 - Wiley Online Library
Based on our previous study on the donor‐free TiCl4/MgCl2 catalyst, the stereospecific
nature of active sites on this catalyst after the addition of an internal donor, ethylbenzoate …
nature of active sites on this catalyst after the addition of an internal donor, ethylbenzoate …
Progress in MgCl2 supported Ziegler-Natta catalyzed polyolefin products and applications
Abstract The innovation of Ziegler-Natta (ZN) catalysts opened a novel aspect of chemistry in
terms of polyolefin formation. Significant progress of more than fifty years in catalytic olefin …
terms of polyolefin formation. Significant progress of more than fifty years in catalytic olefin …