Macromolecular Reaction Engineering

Cover image for Vol. 11 Issue 5

Editor-in-Chief: Kirsten Severing, Editor: Stefan Spiegel

Online ISSN: 1862-8338

Associated Title(s): Macromolecular Chemistry and Physics, Macromolecular Materials and Engineering, Macromolecular Rapid Communications, Macromolecular Theory and Simulations

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Best of Macros 2017 is now online. Click here to read about the selected articles and their authors.

Recently Published Articles

  1. Particle Growth during the Polymerization of Olefins on Supported Catalysts. Part 2: Current Experimental Understanding and Modeling Progresses on Particle Fragmentation, Growth, and Morphology Development

    Arash Alizadeh and Timothy F. L. McKenna

    Version of Record online: 23 OCT 2017 | DOI: 10.1002/mren.201700027

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    The single particle models developed to describe the morphology evolution in a growing particle during the course of olefin polymerization on supported catalysts are reviewed here. The main assumptions, abilities, and limitations of the models are evaluated and the issues which face developing a completely predictive model are finally discussed.

  2. Design of Nonlinear Model-Based Control Using Bifurcation Analysis for Solution Polymerizations Carried Out in Lumped-Distributed Reactors

    Márcia P. Vega, Gabrielle F. M. Oliveira, Enrique L. Lima and José Carlos Pinto

    Version of Record online: 17 OCT 2017 | DOI: 10.1002/mren.201700028

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    Bifurcation theory is employed for nonlinear control design. The figure presents the closed loop bifurcation diagram, using the weight average molecular weight setpoint as the continuation parameter.

  3. Assessment of Microwave Effect on Polymerization Conducted under ARGET ATRP Conditions

    Zhi-Kang Xie, Jun-Kang Guo and Zheng-Hong Luo

    Version of Record online: 12 OCT 2017 | DOI: 10.1002/mren.201700032

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    A comprehensive kinetic model for the activators regenerated by electron transfer atom transfer radical polymerization (ARGET ATRP) under microwave irradiation is developed to understand the kinetic mechanism. The key polymerization kinetic behaviors under microwave irradiation are obtained in this work using the simulation way. Therefore, this work deeply investigates the kinetic mechanism of ARGET ATRP under microwave irradiation.

  4. A Monte Carlo Method to Quantify the Effect of Reactor Residence Time Distribution on Polyolefins Made with Heterogeneous Catalysts: Part I—Catalyst/Polymer Particle Size Distribution Effects

    João B. P. Soares and Jazmín Romero

    Version of Record online: 9 OCT 2017 | DOI: 10.1002/mren.201700031

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    Monte Carlo simulation is a versatile and easy to implement method to quantify the effect of reactor residence time distribution (RTD) on the properties of polyolefins made with heterogeneous coordination catalysts. This article proposes a Monte Carlo model that can describe how particle RTD in a single or a series of reactors can affect the particle side distribution of polymer particles under a variety of operation conditions. It is believed that this is the most flexible model ever proposed to model this phenomenon.

  5. Modeling and Experimentation of RAFT Solution Copolymerization of Styrene and Butyl Acrylate, Effect of Chain Transfer Reactions on Polymer Molecular Weight Distribution

    Jie Jiang, Wen-Jun Wang, Bo-Geng Li and Shiping Zhu

    Version of Record online: 28 JUL 2017 | DOI: 10.1002/mren.201700029

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    A kinetic model for reversible addition–fragmentation transfer (RAFT) solution copolymerization is developed, which takes into account chain transfer to monomer and solvent. Using the model, influences of the chain transfer reactions on Mn and Ð are simulated. The model is verified by experimental RAFT solution copolymerization of styrene (St) and butyl acrylate in toluene.