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Naji, M. |
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Motta, Antonella |
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Aletan, Dirar |
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Mohamed, Tarek |
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Ertürk, Emre |
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Taccardi, Nicola |
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Kononenko, Denys |
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Petrov, R. H. | Madrid |
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Alshaaer, Mazen | Brussels |
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Bih, L. |
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Casati, R. |
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Muller, Hermance |
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Kočí, Jan | Prague |
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Šuljagić, Marija |
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Kalteremidou, Kalliopi-Artemi | Brussels |
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Azam, Siraj |
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Ospanova, Alyiya |
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Blanpain, Bart |
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Ali, M. A. |
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Popa, V. |
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Rančić, M. |
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Ollier, Nadège |
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Azevedo, Nuno Monteiro |
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Landes, Michael |
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Rignanese, Gian-Marco |
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Vitrac, Olivier
in Cooperation with on an Cooperation-Score of 37%
Topics
Publications (9/9 displayed)
- 2024Development of extrusion blown films of poly(3‐hydroxybutyrate‐co‐3‐hydroxyvalerate) blends for flexible packagingcitations
- 2019DEVELOPMENT OF BIODEGRADABLE POLY(HYDROXYBUTYRATE-CO-HYDROXYVALERATE) AND POLY(BUTYLENE SUCCINATE-CO-ADIPATE) BLENDS: TOUGHENING EFFECT
- 2017Off-lattice Flory-Huggins approximations for the tailored calculation of activity coefficients of organic solutes in random and block copolymerscitations
- 2014Sorption of n-hexane in amorphous polystyrenecitations
- 2011Controlling the molecular interactions to improve the diffusion barrier of biosourced polymers to organic solutescitations
- 2010A tailored approach to optimize the barrier properties of Poly(lactic acid) nanocomposites for food contact purposes
- 2010Molecular dynamics simulations of the chain dynamics in monodisperse oligomer melts and of the oligomer tracer diffusion in an entangled polymer matrixcitations
- 2008Accuracy and reliability of different models used for the prediction of the migration from monolayer and multilayer materials
- 2005Functional barriers: Properties and evaluationcitations
Places of action
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article
Off-lattice Flory-Huggins approximations for the tailored calculation of activity coefficients of organic solutes in random and block copolymers
Abstract
Predicting activity coefficients in polymers for arbitrary solute and polymers is of general interest for packaging, environmental and membrane applications. We examined the extensions of the proposed off-lattice approach [Gillet et al. I&EC Res., 2009, 2010] for random and block copolymers. Based on a comparison with an explicit representation of random copolymers, the principles of a mean-field approximation using only the properties of homopolymers have been established. The approach was successfully validated against the Flory-Huggins coefficients collected by Fornasiero et al. [AIChE J., 2002] for 19 aromatic solutes in ethylene-vinyl acetate with acetylation rates varying from 33% to 100%. The role of substituents and isomerism is elucidated. Previously collected data and this study suggest that the real chemical affinity of substituted aromatic compounds for water could be strongly underestimated by previous oversimplified rules and that tailored methods, such as this one, would be preferable.