Micellization of telechelic associative polymers: self-consistent field modelling and comparison with scaling concepts

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    Abstract

    We present numerical results from self-consistent field calculations on the micellization of telechelic associative polymers and their mono-functional analogues. These results are confronted with relatively simple scaling concepts. The proportionality of the critical micelle concentration (CMC) with the hydrophilic backbone length, as found in the calculations, shows good correspondence with a scaling argument based on the entropic penalty of loop formation. It is also shown that models for the conformation of spherical brushes can be applied to predict the structure of the flowerlike micelles formed by these telechelic polymers. Furthermore, we find good agreement between the numerical dependence of the aggregation number upon both backbone and terminal hydrophobe length and an analytical expression derived from the well-known Daoud-Cotton model by introducing a correction for the finite size of the micellar core.
    Original languageEnglish
    Pages (from-to)2903-2909
    JournalThe Journal of Physical Chemistry Part B: Condensed Matter, Materials, Surfaces, Interfaces & Biophysical
    Volume111
    Issue number11
    DOIs
    Publication statusPublished - 2007

    Keywords

    • interacting chain molecules
    • triblock copolymers
    • statistical-theory
    • micelle formation
    • adsorption
    • surfaces
    • surfactants
    • oxide)
    • block
    • size

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