Macromolecular Reaction Engineering
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- Modular, Flexible, and Continuous Plant for Radical Polymerization in Aqueous Solution
Daniel Kohlmann, Marie-Claire Chevrel, Sandrine Hoppe, Dimitrios Meimaroglou, David Chapron, Patrice Bourson, Christian Schwede, Wolfgang Loth, Achim Stammer, James Wilson, Patrick Ferlin, Laurent Falk, Sebastian Engell and Alain Durand
Version of Record online: 28 APR 2016 | DOI: 10.1002/mren.201500079
A continuous and flexible pilot-scale plant is designed for the production of acrylic acid homo- and copolymer in aqueous solution. On the basis of previous experimental lab-scale studies the plant is built and equipped with Raman probes for monitoring the consumption of monomers. Demonstration experiments are carried out and results are satisfactorily depicted by theoretical calculations.
- A Comprehensive Review on Controlled Synthesis of Long-Chain-Branched Polyolefins: Part 2, Multiple Catalyst Systems and Prepolymer Modification
Weifeng Liu, Pingwei Liu, Wen-Jun Wang, Bo-Geng Li and Shiping Zhu
Version of Record online: 26 APR 2016 | DOI: 10.1002/mren.201500054
The literatures pertinent to controlled synthesis of long-chain-branched polyolefins through two-step processes with two or more catalysts are summarized and discussed. The two-step processes can be implemented either in single-reactor systems or in two-reactor setups.
- State-of-the-Art and Progress in Method of Moments for the Model-Based Reversible-Deactivation Radical Polymerization
Yin-Ning Zhou and Zheng-Hong Luo
Version of Record online: 13 APR 2016 | DOI: 10.1002/mren.201500080
There are numerous literatures on the kinetic and reactor models for reversible-deactivation radical polymerization (RDRP) processes, which show the accessibility on polymerization kinetics insight, process optimization, and controlling over chain microstructure. This work highlights the facility of the method of moments in the modeling field and presents a summary of the present state-of-the-art and future perspectives focusing on the model-based RDRP processes based on the method of moments. Summary on the current status and challenges is discussed briefly.
- Dispersion Photopolymerization of Acrylated Oligomers Using a Flexible Continuous Reactor
Patrice Roose, Michel Berlier, Roberto Lazzaroni and Philippe Leclère
Version of Record online: 6 APR 2016 | DOI: 10.1002/mren.201500078
A flexible continuous photoreactor is introduced for the preparation of crosslinked colloids using dispersion photopolymerization. The performance of the reactor is established as functional conversion per particle following a detailed light scattering and infrared analysis. Crosslinked particles are visualized by peak force tapping atomic force microscopy.
- Operation of Flexible Multiproduct Modular Continuous Polymerization Plants
Christian Schoppmeyer, Henry Vermue, Subanatarajan Subbiah, Daniel Kohlmann, Patrick Ferlin and Sebastian Engell
Version of Record online: 6 APR 2016 | DOI: 10.1002/mren.201500044
The operation of modular flexible continuous polymerization plants is investigated for an industrial defined benchmark problem with two production lines with modules that can be physically moved. The campaign planning problem is solved, minimizing the cost of cleaning and waste production.