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  • Polymers pushing polymers : polymer mixtures in thermodynamic equilibrium with a pore
    Podgornik, Rudolf ...
    We investigate polymer partitioning from polymer mixtures into nanometer size cavities by formulating an equation of state for a binary polymer mixture assuming that only one (smaller) of the two ... polymer components can penetrate the cavity. Deriving the partitioning equilibrium equations and solving them numerically allows us to introduce the concept of "polymers-pushing-polymers" for the action of nonpenetrating polymers on the partitioning of the penetrating polymers. Polymer partitioning into a pore even within a very simple model of a binary polymer mixture is shown to depend in a complicated way on the composition of the polymer mixture and/or the pore-penetration penalty. This can lead to enhanced as well as diminished partitioning, due to two separate energy scales that we analyze in detail.
    Vir: Macromolecules. - ISSN 0024-9297 (Vol. 45, iss. 21, 2012, str. 8921-8928)
    Vrsta gradiva - članek, sestavni del ; neleposlovje za odrasle
    Leto - 2012
    Jezik - angleški
    COBISS.SI-ID - 2496868

    Povezava(-e):

    http://pubs.acs.org/doi/abs/10.1021/ma3017508

    Dostop do polnega besedila za naročnike American Chemical Society Journals



vir: Macromolecules. - ISSN 0024-9297 (Vol. 45, iss. 21, 2012, str. 8921-8928)
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