A conceptual multilevel approach to polyolefin reaction engineering

JBP Soares, TFL McKenna - The Canadian Journal of Chemical …, 2022 - Wiley Online Library
This article gives a wide overview of different types of mathematical models that can be used
to describe the polymerization of linear olefins with coordination catalysts. We expanded the …

Modeling of Slurry Phase Olefin Polymerizations in a Semibatch Well-Mixed Stirred Tank: Effect of Mass Transfer

S Zhang, Z Jia, B Kong, S Ma, ZS Mao… - Industrial & …, 2023 - ACS Publications
A multiscale model of slurry-phase olefin polymerization is developed by extending the
multigrain model to account for the existence of gas–liquid mass transfer resistance in an …

A unified polymer reaction engineering methodology for catalytic olefin polymerization: From reaction conditions and catalyst reaction performance to molecular and …

V Touloupidis - The Canadian Journal of Chemical Engineering, 2023 - Wiley Online Library
This work presents a unified polymer reaction engineering methodology for the catalytic
olefin polymerization process. The proposed modelling approach offers a modelling …

A combined experimental and molecular simulation study on stress generation phenomena during the Ziegler–Natta polyethylene catalyst fragmentation process

A De Nicola, V Touloupidis, V Kanellopoulos… - Nanoscale …, 2022 - pubs.rsc.org
The morphology of particles obtained under different pre-polymerization conditions has
been connected to the stress generation mechanism at the polymer/catalyst interface. A …

Single Particle Growth, Fragmentation and Morphology Modelling: A DEM Approach

A Soleimani, A Aigner… - Macromolecular Reaction …, 2022 - Wiley Online Library
In this work, the development of a 3D discrete element method (DEM) modeling concept and
application that can describe and explain the catalyst particle growth and fragmentation …

What Can Industrial Catalytic Olefin Polymerization Plants Tell Us About Reaction Kinetics? From Production Rate and Residence Time to Catalyst Reaction …

V Touloupidis, JBP Soares - Macromolecular Reaction …, 2024 - Wiley Online Library
The information available in daily plant operation data is not fully exploited by polymer
reaction engineers: what do the catalytic olefin polymerization plants tell? In this article, a …

A Thermodynamic Simulation Package for Catalytic Polyolefin Reactors: Development and Applications

A Alizadeh, V Touloupidis… - Macromolecular Reaction …, 2023 - Wiley Online Library
A thermodynamic simulation package is developed for the catalytic polymerization of olefins
in autoclave slurry, loop slurry, gas‐phase, and autoclave solution reactors. The number of …

Polyethylene Slurries: Swelling and Solubility

AB Mrad, N Sheibat‐Othman… - Macromolecular …, 2023 - Wiley Online Library
The solubility of different alkanes in polyethylene (PE) of different densities, as well as the
solubility of the polymers in the alkanes, and the degree of swelling of the powders are …

A Study on the Effects of Catalyst Distribution and Changes to the Pore Structure in Silica-Supported Metallocene Catalyst for Ethylene Polymerization

DY Tran - 2021 - search.proquest.com
The disintegration of the catalyst particle during the polymerization of ethylene into
successively smaller fragments is necessary for high performance. However, rapid and …