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 …
Flexible ligands in heterogeneous catalysts for olefin polymerization: Insights from spectroscopy
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 …
processes in terms of worldwide diffusion, material volume, and economic turnover. At the …
Surface effect of the MgCl2 support in Ziegler–Natta catalyst for ethylene polymerization: A computational study
K Xie, S Xu, W Hao, J Wang, A Huang, Y Zhang - Applied Surface Science, 2022 - Elsevier
Abstract Ziegler–Natta (Z–N) catalyst is a remarkable catalyst for olefin polymerization in the
petrochemical industry. However, the role of each component remains unclear because of …
petrochemical industry. However, the role of each component remains unclear because of …
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 …
Demystifying Ziegler–Natta catalysts: The origin of stereoselectivity
A Vittoria, A Meppelder, N Friederichs, V Busico… - ACS …, 2017 - ACS Publications
Industrial Ziegler–Natta catalysts for polypropylene production are complex formulations
with a reputation for being “black boxes”. In this paper, we report the results of an extensive …
with a reputation for being “black boxes”. In this paper, we report the results of an extensive …
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 …
Key Elements in the Structure and Function Relationship of the MgCl2/TiCl4/Lewis Base Ziegler−Natta Catalytic System
A Correa, F Piemontesi, G Morini, L Cavallo - Macromolecules, 2007 - ACS Publications
We present a theoretical study of the basic interactions occurring at supported
hetereogenous Ziegler− Natta catalytic systems. We first investigated the interaction …
hetereogenous Ziegler− Natta catalytic systems. We first investigated the interaction …
[PDF][PDF] Size exclusion chromatography and related separation techniques
HG Barth, BE Boyes, C Jackson - … CHEMISTRY-WASHINGTON DC-, 1998 - kingsnake.com
Size exclusion chromatography (SEC), often referred to as gel permation chromatography
(GPC), is an entropically controlled separation technique in which molecules are separated …
(GPC), is an entropically controlled separation technique in which molecules are separated …
Crystallization Behavior of Isotactic Propylene−Ethylene and Propylene−Butene Copolymers: Effect of Comonomers versus Stereodefects on Crystallization …
Isotactic propylene− ethylene (iPPEt) and propylene− butene (iPPBu) copolymers have
been prepared with different metallocene catalysts. The different influences of stereodefects …
been prepared with different metallocene catalysts. The different influences of stereodefects …
Accelerating the research approach to Ziegler–Natta catalysts
Despite 60 years of history and a stunning success, Ti-based Ziegler–Natta catalysts for the
production of isotactic polypropylene remain black-box systems, and progress still relies on …
production of isotactic polypropylene remain black-box systems, and progress still relies on …