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Polymer solutions are solutions containing … Polymer solutions are solutions containing dissolved polymers. These may be liquid solutions (e.g. in aqueous solution), or solid solutions (e.g. a substance which has been plasticized). The introduction into the polymer of small amounts of a solvent (plasticizer) reduces the temperature of glass transition, the , and the viscosity of a . An understanding of the thermodynamics of a polymer solution is critical to prediction of its behavior in manufacturing processes — for example, its shrinkage or expansion in injection molding processes, or whether pigments and solvents will mix evenly with a polymer in the manufacture of paints and coatings. A recent theory on the viscosity of polymer solutions gives a physical explanation for various well-known empirical relations and numerical values including the Huggins constant, but reveals also novel simple concentration and molar mass dependence.e concentration and molar mass dependence.
, Comprendre le comportement des polymères e … Comprendre le comportement des polymères en solution est important pour certaines applications comme les gels et crèmes cosmétiques. Il y a possibilité de contrôler la viscosité du produit obtenu et d'éviter une éventuelle démixtion (séparation de phase). On constate par exemple que le styrène est miscible en toute proportion dans le cyclohexane à 20 °C, mais que lorsqu'on polymérise le styrène, il n'y a plus miscibilité. Différentes théories peuvent expliquer ces phénomènes.théories peuvent expliquer ces phénomènes.
, Eine Polymerlösung enthält, neben einem Lösungsmittel, gelöste Polymere. Ein sehr häufig verwendetes Modell zur Beschreibung von Polymerlösungen ist das Flory-Huggins-Modell.
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| rdfs:comment |
Comprendre le comportement des polymères e … Comprendre le comportement des polymères en solution est important pour certaines applications comme les gels et crèmes cosmétiques. Il y a possibilité de contrôler la viscosité du produit obtenu et d'éviter une éventuelle démixtion (séparation de phase). On constate par exemple que le styrène est miscible en toute proportion dans le cyclohexane à 20 °C, mais que lorsqu'on polymérise le styrène, il n'y a plus miscibilité. Différentes théories peuvent expliquer ces phénomènes.théories peuvent expliquer ces phénomènes.
, Eine Polymerlösung enthält, neben einem Lösungsmittel, gelöste Polymere. Ein sehr häufig verwendetes Modell zur Beschreibung von Polymerlösungen ist das Flory-Huggins-Modell.
, Polymer solutions are solutions containing … Polymer solutions are solutions containing dissolved polymers. These may be liquid solutions (e.g. in aqueous solution), or solid solutions (e.g. a substance which has been plasticized). The introduction into the polymer of small amounts of a solvent (plasticizer) reduces the temperature of glass transition, the , and the viscosity of a . An understanding of the thermodynamics of a polymer solution is critical to prediction of its behavior in manufacturing processes — for example, its shrinkage or expansion in injection molding processes, or whether pigments and solvents will mix evenly with a polymer in the manufacture of paints and coatings. A recent theory on the viscosity of polymer solutions gives a physical explanation for various well-known empirical relations and numerical values iempirical relations and numerical values i
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Polymer solution
, Polymerlösung
, Polymère en solution
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