Pattern formation in polymer films by non-linear processes

O. Karthaus, N. Maruyama, H. Yabu, T. Koito, K. Akagi, M. Shimomura

    Research output: Contribution to journalArticlepeer-review

    9 Citations (Scopus)

    Abstract

    When a droplet of a dilute solution of a polymer is allowed to evaporate on a horizontal substrate, the polymer is deposited on the substrate as a regular 2 dimensional pattern of micrometer-sized polymer droplets or lines. It was found that the mechanism of the pattern formation involves a Bénard convection in the polymer solution and a regularly spaced fingering instability at the contact line of the solution with the substrate. By using liquid crystalline polymers, a novel hierarchic pattern can be observed.

    Original languageEnglish
    Pages (from-to)137-142
    Number of pages6
    JournalMacromolecular Symposia
    Volume160
    DOIs
    Publication statusPublished - 2000

    ASJC Scopus subject areas

    • Condensed Matter Physics
    • Organic Chemistry
    • Polymers and Plastics
    • Materials Chemistry

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