Adsorption and desorption of reversible supramolecular polymers

H.J.A. Zweistra, N.A.M. Besseling

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    4 Citations (Scopus)


    We report numerical mean-field results on the quasichemical level of approximation that describe adsorption of reversible supramolecular polymers at a flat interface. Emphasis is laid on the regime of strong adsorption from a dilute solution. There are two differences with respect to macromolecular polymer adsorption: (i) adsorption sets in at relatively high monomer concentrations of the surrounding solution, and (ii) the surface is filled within a much narrower concentration range. Contrary to macromolecular polymers, supramolecular polymers can therefore be desorbed by dilution of the equilibrium solution by solvent within an experimentally accessible concentration window. Based on simple thermodynamic arguments, we provide a quantitative explanation why supramolecular polymers adsorb at relatively high concentrations. Moreover, we discuss the (by comparison) narrow concentration window wherein filling of the surface occurs. This is attributed to the cooperative nature of supramolecular polymer adsorption. The degree of cooperativity is quantified by means of the Hill parameter n
    Original languageEnglish
    Pages (from-to)021806/1-021806/10
    JournalPhysical Review. E, Statistical nonlinear, and soft matter physics
    Issue number2
    Publication statusPublished - 2006


    • interacting chain molecules
    • equilibrium polymers
    • living polymers
    • monte-carlo
    • statistical-theory
    • surface forces
    • lattice
    • depletion
    • stiffness
    • micelles

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