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Optimized Production of Multilayered Monodisperse Polymer Nanoparticles

Abstract : A dynamic optimization frame work is used to produce in a controlled way multilayered latex nanoparticles. The key feature of the method is to track a glass transition temperature profile, which is designed to produce polymer layers with the targeted properties. Several constraints are considered to achieve better control and produce nanoparticles with a specified particle diameter and layers' thicknesses. To enhance the control of the different layers, two separate monomer feeds are considered under starving conditions throughout the fed-batch stages. The emulsion copolymerization of styrene and butyl acrylate in the presence of n-C12 mercaptan, as chain transfer agent (CTA), is illustrated here as a case study. The optimal feed profiles of the pre-emulsioned monomers are obtained using a genetic algorithm.
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https://hal.univ-lorraine.fr/hal-01270994
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Submitted on : Monday, February 8, 2016 - 4:46:25 PM
Last modification on : Monday, March 29, 2021 - 4:06:41 PM

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Brahim Benyahia, M. Abderrazak Latifi, Christian Fonteix, Fernand Pla. Optimized Production of Multilayered Monodisperse Polymer Nanoparticles. 12TH INTERNATIONAL SYMPOSIUM ON PROCESS SYSTEMS ENGINEERING (PSE) AND 25TH EUROPEAN SYMPOSIUM ON COMPUTER AIDED PROCESS ENGINEERING (ESCAPE), PT A, 2015, Copenhague, Denmark. pp.863-868. ⟨hal-01270994⟩

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