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March 12, 2026Advanced Materials Interfaces0 citationsOpen Access

Nonequilibrium Period with Emergence of Marangoni Circulations in Meniscus Splitting (Adv. Mater. Interfaces 5/2026)

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LWLeijie WuKOKosuke Okeyoshi

Key Points

  • The aim is to understand how marangoni circulations affect meniscus splitting during the drying of aqueous polymer dispersions.
  • Utilized an open-top Hele–Shaw cell for experimental setup
  • Applied particle image velocimetry to visualize fluid movement
  • Observed the growth and dynamics of marangoni convection in pectin dispersions
  • Significant bulk circulations were detected beneath the surface interface
  • Confluence and bifurcation of mass flow were observed, impacting skin-layer densification
  • The study highlights complex fluid movements not visible to the naked eye

Abstract

Marangoni Circulations during Meniscus Splitting Meniscus splitting pattern emerges during drying of aqueous polymer dispersions in an open-top Hele–Shaw cell. In pectin dispersions, particle image velocimetry visualizes the evolution of Marangoni convection, revealing the significant bulk circulations beneath the seemingly calm interface. Confluence and bifurcation of the mass flow spatiotemporally shape the skin-layer densification. More details can be found in The Research Article by Leijie Wu and Kosuke Okeyoshi (DOI: 10.1002/admi.202500655).

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Cite This Study

Wu et al. (2026) studied this question.

synapsesocial.com/papers/69b2573196eeacc4fcec5c19https://doi.org/10.1002/admi.70393
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