Abstract
A non adsorbing, flexible polymer (in dilute solution with a good solvent)enters a pore (of diameter D smaller than its natural size R F only when it is sucked in by a solvent flux J higher than a threshold value J c . For linear polymers \(J_c \simeq kT/\eta \) (whereT is the temperature and η the solvent viscosity). We discuss here the case of statistically branched polymers, with an average number n of monomers between branch points. We find that, depending on the tube diameter, there are two regimes: “weak confinement” and “strong confinement” depending on the tube diameter. By measuring J c in both regimes, we should determine both the molecular weight of the polymer and the number n of monomers in it.
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© 2002 Springer Science+Business Media Dordrecht
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Gay, C., de Gennes, PG., Raphaël, E., Brochard-Wyart, F. (2002). Branched Polymers inside Nanoscale Pores. In: Kasianowicz, J.J., Kellermayer, M.S.Z., Deamer, D.W. (eds) Structure and Dynamics of Confined Polymers. NATO Science Series, vol 87. Springer, Dordrecht. https://doi.org/10.1007/978-94-010-0401-5_8
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DOI: https://doi.org/10.1007/978-94-010-0401-5_8
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