Pattern formation in polymer films by non-linear processes

O. Karthaus, N. Maruyama, H. Yabu, T. Koito, K. Akagi, Masatsugu 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
Externally publishedYes

ASJC Scopus subject areas

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

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