Efficient synthesis of thermoplastic elastomeric amorphous ultra-high molecular weight atactic polypropylene (UHMWaPP)

CGC Rice, JC Buffet, ZR Turner, D O'Hare - Polymer Chemistry, 2022 - pubs.rsc.org
The selective and high-yielding synthesis of fully amorphous ultra-high molecular weight
atactic polypropylene (UHMWaPP), with weight-average molecular weights (Mw) up to 2.0 …

High-pressure fluid-phase equilibria: Experimental methods, developments and systems investigated (2013–2016)

R Dohrn, S Peper, C Secuianu, JMS Fonseca - Fluid Phase Equilibria, 2024 - Elsevier
With this article we extend our review series on high-pressure (above 1 MPa) phase
equilibrium data to articles published between 2013 and 2016, including a compilation of …

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 …

Solubility of Ethene in n-Hexane and n-Heptane as Common Slurry-Phase Polymerization Solvents: Experimental Measurement and Modeling

A Dashti, SH Mazloumi, A Akbari… - Journal of Chemical & …, 2016 - ACS Publications
To evaluate solvent performance, mass transfer calculation of gas–liquid phases and good
prediction of catalyst activity and polymer product yield, precise experimental solubility data …

Catalytic making of ethylene‐1‐hexene elastomers: Thermodynamic guide to process development

M Atiqullah, AF Abdelaal, S Adamu, HS Alasiri - AIChE Journal, 2024 - Wiley Online Library
Ethylene‐alpha olefin elastomers have versatile applications. Solution copolymerization
makes them, using ethylene and alpha olefin‐rich comonomer feed and metallocene and …

Structure and properties of ethylene/propylene copolymers synthesized with bis (2, 4, 7-trimethylindenyl) zirconium dichloride activated by methyl aluminoxanes …

Y Guo, Z Fu, J Xu, Z Fan - Polymer, 2017 - Elsevier
Ethylene/propylene copolymerization was catalyzed under the same conditions with
unbridged metallocene bis (2, 4, 7-trimethylindenyl) zirconium dichloride (Cat. 1) activated …

A Multipore Model for Heterogeneous Catalytic Polymerization: Structure–Performance Relationships

M Sheikhzadeh, S Pourmahdian - Macromolecular Reaction …, 2022 - Wiley Online Library
A novel single‐particle model is developed for the physicochemical processes involved in
the heterogeneous catalytic polymerization. The model considers the reaction kinetics …

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 …

Reversible Covalent Bonding for Olefin Polymerization and Separation

J Galczynski - 2024 - search.proquest.com
The formation and breaking of covalent bonds is a fundamental aspect of chemistry. Typical
reactions with olefins form or break a bond to produce a desired transformation in an …

A Comparison of the Influence of Temperature During Slurry and Gas Phase Propylene Polymerization on Ziegler‐Natta Catalyst

AJ Cancelas, G Hongmanee… - Macromolecular …, 2016 - Wiley Online Library
Semi‐batch propylene polymerizations were performed in slurry and gas phase using a
supported Ziegler‐Natta catalyst. The obtained instantaneous reaction rates were fitted with …