Macromolecular Reaction Engineering

Cover image for Vol. 9 Issue 3

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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Recently Published Articles

  1. Modeling Acrylic Acid Radical Polymerization in Aqueous Solution

    Nils F. G. Wittenberg, Calista Preusser, Hendrik Kattner, Marek Stach, Igor Lacík, Robin A. Hutchinson and Michael Buback

    Article first published online: 11 JUN 2015 | DOI: 10.1002/mren.201500017

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    The complexities of aqueous-phase polymerization of non-ionized acrylic acid are captured in a model that considers the formation of midchain radicals, the influence of radical chain length on termination kinetics, and the influence of monomer concentration on propagation kinetics. The model is verified against monomer conversion profiles, polymer branching levels, and molar mass distributions collected over a range of experimental conditions.

  2. When Polymer Reaction Engineers Play Dice: Applications of Monte Carlo Models in PRE (pages 141–185)

    Amanda L. T. Brandão, João B. P. Soares, José Carlos Pinto and André L. Alberton

    Article first published online: 3 JUN 2015 | DOI: 10.1002/mren.201500020

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    Monte Carlo (MC) methods are the most powerful of all mathematical methods used in polymer reaction engineering because they can predict the molecular architecture of polymers with details that cannot be easily captured by any other modeling technique. This article reviews the literature on steady-state and dynamic MC methods in polymer reaction engineering. We hope to convince the readers that playing dice regularly can be a great asset to polymer reactors engineers.

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  4. Model-Based Production of Polymer Chains Having Precisely Designed End-to-End Gradient Copolymer Composition and Chain Topology Distributions in Controlled Radical Polymerization, A Review

    Xiaohui Li, Shaoning Liang, Wen-Jun Wang, Bo-Geng Li, Yingwu Luo and Shiping Zhu

    Article first published online: 15 MAY 2015 | DOI: 10.1002/mren.201500012

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    This article summarizes the recent development and application of the model-based monomer feeding strategies (MMFS) on precise production of polymer chains. With the MMFS method, a series of polymer products with predesigned copolymer composition distributions and chain topologies are successfully synthesized by semi-batch-controlled radical polymerization. Extending MMFS to heterogeneous systems and to continuous polymerization operations are encouraged in future research.

  5. Kinetic Parameters of the Initiator Decomposition in Microwave and in Conventional Batch Reactors – KPS and V50-Case Studies

    Cristiane Costa, André L. Alberton, Alexandre F. Santos, Montserrat Fortuny, Pedro H. H. Araújo, Claudia Sayer and José Carlos Pinto

    Article first published online: 13 MAY 2015 | DOI: 10.1002/mren.201500013

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    This work presents a thorough statistical analysis of parameters used to describe the kinetic rate constants of microwave-assisted decomposition of initiators. The confidence regions of the estimated parameters confirm the difference for microwave and conventional heating. The relation of temperature and volume of hot spots can explain the increase of kinetic rate constants as a thermal effect.