Mathematical versus commercial software modeling for Ziegler-Natta catalyzed gas-phase polymerization in fluidized-bed reactors: A comparative review and …

ES Sbaaei, MM Kamal, TS Ahmed - Powder Technology, 2023 - Elsevier
Integrating different influencing aspects in Ziegler-Natta catalyzed gas-phase polymerization
industrial fluidized bed reactors (FBRs) is challenging and requires new modeling …

Exploring bimodal HDPE synthesis using single-and dual-site metallocene catalysts: a comprehensive review of the Monte Carlo method and AI-based approaches

RB Habashi, M Najafi, R Zarghami - Journal of Polymer Research, 2024 - Springer
The alteration of the molecular weight distribution (MWD) in high-density polyethylenes
(HDPEs) can effectively address processing challenges. However, widening the MWD may …

Assessing the Downstream Contamination of Chemically Recycled Ethylene Feed Streams on the Kinetic Behavior of Ziegler‐Natta Catalysts and Microstructural …

DC Pernusch, C Paulik, M Mastalir… - Macromolecular …, 2022 - Wiley Online Library
The sustainability of consumer materials, such as plastics, belongs to the most important
aspect of eco‐efficiency analyses. Besides mechanical recycling, chemical recycling …

[HTML][HTML] Engineered PP impact copolymers in a single reactor as efficient method for determining their structure and properties

MT Pastor-García, I Suárez, MT Expósito, B Coto… - European Polymer …, 2021 - Elsevier
Impact polypropylene (PP) copolymers (IPCs) are important materials for many commercial
applications. These materials are usually synthetized through different methods involving …

Effects of alterations to Ziegler–Natta catalysts on kinetics and comonomer (1‐butene) incorporation

P Aigner, E Averina, T Garoff… - Macromolecular Reaction …, 2017 - Wiley Online Library
Abstract Various MgCl2‐supported Ziegler–Natta (ZN) catalysts are synthesized with the
intention to influence polymerization performance and 1‐butene incorporation in an …

A comparative Monte Carlo simulation of HDPE synthesis with bimodal molecular weight distribution: evaluating slurry and solution processes using dual-site …

RB Habashi, M Najafi, R Zarghami - Molecular Simulation, 2024 - Taylor & Francis
ABSTRACT This research employed Monte Carlo simulation as a computational technique
to investigate the copolymerization of ethylene and 1-butene in the presence of hydrogen …

Dynamic simulation and control of two-series industrial reactors producing linear low-density polyethylene

NM Kazerooni, R Eslamloueyan… - International Journal of …, 2019 - Springer
One of the leading routes for producing polyolefins is through gas-phase catalytic fluidized
bed reactors. In this study, the industrial gas-phase ethylene polymerization reactor series of …

Ziegler–Natta catalyst sonofragmentation for controlling size and size distribution of the produced polymer particles

A Klaue, M Kruck, P Binel, N Friederichs… - AIChE …, 2019 - Wiley Online Library
The size of the Ziegler–Natta catalyst (ZNC) particles can have a strong impact on their
activity and the size and size distribution (SD) of the final polymer particles. In this work, we …

Nitrogen Poisoning of HDPE and LLDPE based on Chemically Recycled Post‐Consumer Plastic via a Kinetic and Microstructural Modeling Technique

DC Pernusch, G Spiegel, C Paulik… - Macromolecular …, 2022 - Wiley Online Library
Chemical recycling of plastic waste has promise as a complementary technology to increase
eco‐efficiency of plastics life cycles. Accumulation of impurities in feed streams can affect …

Influence on properties and phase structure of single gas-phase reactor made impact polypropylene copolymers

MT Pastor-García, I Suárez, MT Expósito, B Coto… - European Polymer …, 2018 - Elsevier
Impact polypropylene copolymers (IPC) are materials important for many commercial
applications. These materials are usually synthetized by different methods involving two …