Phase behaviour of colloids with short-range repulsions

K. van Gruijthuijsen; R. Tuinier; J.M. Brader; A. Stradner

doi:10.1039/C3SM51432C

Phase behaviour of colloids with short-range repulsions

K. van Gruijthuijsen, R. Tuinier, J.M. Brader, A. Stradner

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Abstract

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.

Original language	English
Pages (from-to)	9977-9982
Number of pages	6
Journal	Soft Matter
Volume	9
Issue number	42
DOIs	https://doi.org/10.1039/C3SM51432C
Publication status	Published - 2013

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title = "Phase behaviour of colloids with short-range repulsions",

abstract = "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.",

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AB - 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.

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DO - 10.1039/C3SM51432C

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JO - Soft Matter

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Phase behaviour of colloids with short-range repulsions

Abstract

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