Temperature-dependent soft wetting on amorphous, uncrosslinked polymer surfaces

Krishnaroop Chaudhuri, Jonathan T. Pham

Research output: Contribution to journalArticlepeer-review

3 Scopus citations

Abstract

The wetting of polymer melts at high temperatures is studied by placing a glycerol drop on a poly(n-butyl methacrylate) film and measuring the wetting ridge. The height of the wetting ridge grows continuously over time. These wetting ridge growth rates can be explained by polymer chain dynamics occurring at the molecular level, determined using oscillatory shear rheology of the polymer melt. The shape of wetting ridge profile can be modeled using an equation previously used for elastomers, with a simple modification that incorporates the time-dependent storage modulus of the uncrosslinked melts.

Original languageEnglish
JournalSoft Matter
DOIs
StateAccepted/In press - 2022

Bibliographical note

Publisher Copyright:
© 2022 The Royal Society of Chemistry

ASJC Scopus subject areas

  • General Chemistry
  • Condensed Matter Physics

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