Journal article

Phase behaviour of colloids with short-range repulsions plus nonadsorbing polymer chains

  • Gruijthuijsen, Kitty van Adolphe Merkle Institute, University of Fribourg, Switzerland
  • Tuinier, Remco Van 't Hoff Laboratory for Physical and Colloid Chemistry, Debye Institute, Utrecht University, The Netherlands - DSM ChemTech Center, Advanced Chemical Engineering Solutions (ACES), MD Geleen, The Netherlands
  • Brader, Joseph M. Soft Matter Theory, University of Fribourg, Switzerland
  • Stradner, Anna Physical Chemistry, Lund University, Lund, Sweden
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  • Soft Matter. - 2014, vol. 9, no. 42, p. 9977–9982
English The colloidal gas–liquid phase behaviour has been studied for aqueous mixtures of well-defined spherical particles with short-ranged repulsions mixed with relatively monodisperse poly(ethylene oxide) polymers. We show that our set of experimental phase diagrams are in quantitative agreement with theoretical predictions using generalized free volume theory [G. J. Fleer and R. Tuinier, Phys. Rev. E, 2007, 76, 041802]. The determination of the equilibrium composition of coexisting phases reveals qualitative deviations between the two, for which we propose a tentative explanation.
Faculté des sciences et de médecine
Département de Physique
  • English
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