Phase behavior of flowerlike micelles in a SCF cell model

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    Abstract

    We study the interactions between flowerlike micelles, self-assembled from telechelic associative polymers, using a molecular self-consistent field (SCF) theory and discuss the corresponding phase behavior. In these calculations we do not impose properties such as aggregation number, micellar structure and number of bridging chains. Adopting a SCF cell model, we calculate the free energy of interaction between a central micelle surrounded by others. Based on these results, we predict the binodal for coexistence of dilute and dense liquid phases, as a function of the length of the hydrophobic and hydrophilic blocks. In the same cell model we compute the number of bridges between micelles, allowing us to predict the network transition. Several quantitative trends obtained from the numerical results can be rationalized in terms of transparent scaling arguments
    Original languageEnglish
    Pages (from-to)163-173
    JournalEuropean Physical Journal E. Soft Matter and Biological Physics
    Volume25
    Issue number2
    DOIs
    Publication statusPublished - 2008

    Keywords

    • capped poly(ethylene oxide)
    • telechelic associative polymers
    • modified ethoxylated urethanes
    • interacting chain molecules
    • transient network theory
    • linear viscoelasticity
    • statistical-theory
    • adsorption
    • attraction
    • dependence

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