Smectic rod-coil melts confined between flat plates: Monolayer-bilayer and parallel-perpendicular transitions

G. G. Pereira*, D. R.M. Williams

*Corresponding author for this work

    Research output: Contribution to journalArticlepeer-review

    12 Citations (Scopus)

    Abstract

    We study theoretically the equilibrium properties of a rod-coil diblock copolymer melt confined between two flat plates. We assume that the system forms lamellae in the bulk. The plates may have a preference for either the rods or coils. We investigate whether the preferred alignment of the lamellae is parallel or perpendicular to the plates and how the lamellar spacing changes compared to the bulk lamellar spacing. We find that this system is much more constrained than the analogous coil-coil system and for certain values of the rod-coil interfacial tensions that perpendicular lamellae exist for quite thick films. For dissimilar bounding plates we find the antisymmetric parallel morphology may exist.

    Original languageEnglish
    Pages (from-to)3166-3172
    Number of pages7
    JournalMacromolecules
    Volume33
    Issue number8
    DOIs
    Publication statusPublished - 18 Apr 2000

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