Macromolecular Reaction Engineering
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Recently Published Articles
- Catalytic Olefin Polymerization Process Modeling: Multi-Scale Approach and Modeling Guidelines for Micro-Scale/Kinetic Modeling
Article first published online: 24 FEB 2014 | DOI: 10.1002/mren.201300188
This work presents the basic framework for catalytic olefin polymerization kinetic modeling. It provides an insight for a better understanding of the kinetic models, offering the starter-kit tools for developing similar approaches in the complex but extremely interesting area of polymerization kinetic reaction engineering.
- Monitoring Polymerization Kinetics in Microreactors by Confocal Raman Microscopy
Arvind Kumar Yadav, Manfred Krell, Wolf-Dieter Hergeth, José Carlos de la Cal and María Jesús Barandiaran
Article first published online: 13 FEB 2014 | DOI: 10.1002/mren.201300193
Use of confocal Raman microscopy to monitor kinetics of homogeneous and heterogeneous polymerizations in microreactors is being reported. The adequacy of the technique is demonstrated through several experiments performed at different residence time for solution and miniemulsion polymerizations. The method also allows getting the conversion evolution along the microreactor length by changing the position of the Raman microscope.
- Modeling of the Production of Hydrogels from Hydroxyethyl Methacrylate and (Di)Ethylene Glycol Dimethacrylate in the Presence of RAFT Agents
Lizeth Espinosa-Pérez, Julio César Hernández-Ortiz, Porfirio López-Domínguez, Gabriel Jaramillo-Soto, Eduardo Vivaldo-Lima, Patricia Pérez-Salinas, Alberto Rosas-Aburto, Angel Licea-Claverie, Humberto Vázquez-Torres and Maria Josefa Bernad-Bernad
Article first published online: 13 FEB 2014 | DOI: 10.1002/mren.201300191
The growth of hydrogels from HEMA and EGDMA (or DEGDMA) with controlled structures is studied with the aid of a comprehensive mathematical model previously developed by us. Bulk and solution copolymerizations are addressed and the bulk situation is used to approximate the behavior of a RAFT dispersion copolymerization of HEMA/EGDMA in scCO2.
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- Filtrodynamics 2: Effects of Particle Size and Filter Type on Trans-Filter Time-Dependent Pressure Signals
Marie Dufrechou, Emmanuel Mignard, Michael F. Drenski and Wayne F. Reed
Article first published online: 22 JAN 2014 | DOI: 10.1002/mren.201300185
The filtrodynamic behavior of trans-filter time-dependent pressure signals is determined for membrane and frit filters using latex spheres of varying diameter D. An accretion model based on Darcy's law best describes the mechanism of membrane filters. Non-membrane metallic frits reveal a different mechanism and behavior of filtration that is better described by the “characteristic loading” model.