6533b828fe1ef96bd12883ce
RESEARCH PRODUCT
Thermodynamics of copolymer solutions: how the pair interactions contribute to the overall effect.
Maria BerceaMaria BerceaBernhard A. Wolfsubject
chemistry.chemical_classificationChloroformMaterials scienceVapor pressureThermodynamicsPolymerFlory–Huggins solution theoryMethacrylateSurfaces Coatings and FilmsSolventchemistry.chemical_compoundchemistryMaterials ChemistryCopolymerPhysical and Theoretical ChemistryMixing (physics)description
Vapor pressure measurements were performed for solutions of poly(methyl methacrylate-ran-tert-butyl methacrylate) with different weight fractions of tert-butyl methacrylate units, and their parental homopolymers in chloroform at 323 K, over a large domain of concentrations. The Flory–Huggins interaction parameters obtained from these experimental investigations show complex dependences of the Flory–Huggins interaction parameter on concentration and copolymer composition. This behavior can be modeled by taking into account an approach which considers the ability of the polymers to rearrange in a response to changes in their molecular surroundings [Adv. Polym. Sci. 2011, 238, 1–66]. According to this concept, the mixing process is subdivided into two clearly separable steps and accounts for the specific interactions between the solvent and copolymer segments.
| year | journal | country | edition | language |
|---|---|---|---|---|
| 2014-07-29 | The journal of physical chemistry. B |