Macromolecular Reaction Engineering

Cover image for Vol. 11 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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Best of Macros 2017 is now online. Click here to read about the selected articles and their authors.

Recently Published Articles

  1. Online Monitoring, Control, and Optimization of Polymer Reactions and Processes

    Klaus-Dieter Hungenberg and Wayne F. Reed

    Version of Record online: 12 JUL 2017 | DOI: 10.1002/mren.201700030

  2. Tailoring Polymer Molecular Weight Distribution and Multimodality in RAFT Polymerization Using Tube Reactor with Recycle

    Liang Xiang, Wen-Jun Wang, Bo-Geng Li and Shiping Zhu

    Version of Record online: 8 JUN 2017 | DOI: 10.1002/mren.201700023

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    A tube reactor with recycle is designed and operated in three different modes: batch, continuous and loop tube reactors. Well-controlled multi-modal MWDs can be readily prepared from the loop reactor, through adjusting the residence time and recycle ratio. The experimental MWDs can be theoretically de-convoluted into a series of narrowly distributed subpopulations as illustrated in the scheme.

  3. Bringing the On-Line Control and Optimization of Semibatch Emulsion Copolymerization to the Pilot Plant

    Alexandr Zubov, Omar Naeem, Svein Olav Hauger, Ala Bouaswaig, Fredrik Gjertsen, Peter Singstad, Klaus-Dieter Hungenberg and Juraj Kosek

    Version of Record online: 6 JUN 2017 | DOI: 10.1002/mren.201700014

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    The implementation of model-based predictive control (MPC) of industrial semibatch emulsion copolymerization is demonstrated. The necessary steps involve the development of process model, its validation and connection with control software, and the realization at pilot-plant scale. Core of the MPC is the control model which must be fast and robust enough to predict the process trajectory reliably and quickly.

  4. Cross Linking Between the Baffling Effect and Phase Inversion During Liquid–Liquid Monomer Mixing

    Jared Cocke and Sebastian Maaß

    Version of Record online: 31 MAY 2017 | DOI: 10.1002/mren.201700015

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    Minor changes in system and component parameters can affect the stability of liquid–liquid mixing in a suspension polymerization. A real-time measurement technology for the monitoring of the particle size distribution is established. The photo-optical method with automated particle identification based on image analysis is adapted and trained to detect phase inversion as a warning system.

  5. The Kinetics of n-Butyl Acrylate Radical Polymerization Revealed in a Single Experiment by Real Time On-line Mass Spectrometry Monitoring

    Joris J. Haven, Neomy Zaquen, Maarten Rubens and Tanja Junkers

    Version of Record online: 26 MAY 2017 | DOI: 10.1002/mren.201700016

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    Microreactor technology in combination with mass spectrometry monitoring allows for on-line “nonstop” analysis. The kinetics of n-butyl acrylate polymerizations via reversible addition–fragmentation chain transfer polymerization are investigated for a wide range of microreactor temperatures and residence times.