Spontaneous spreading of surfactant-bearing drops in the sorption-controlled limit

Kit Yan Chan, Ali Borhan

Research output: Contribution to journalArticlepeer-review

3 Scopus citations


Axisymmetric spreading of a liquid drop containing a soluble surfactant on a smooth solid substrate is numerically investigated for the case in which surfactant mass transfer between the interface and the bulk liquid is sorption/kinetic controlled. The fastest spreading rate is achieved by drops with O (1) values of Biot number for which the rate of surface convection is comparable to the sorption rate, and the surfactant molecules transferred to the interface are effectively convected to the contact line region.

Original languageEnglish (US)
Pages (from-to)374-377
Number of pages4
JournalJournal of Colloid And Interface Science
Issue number1
StatePublished - Oct 1 2006

All Science Journal Classification (ASJC) codes

  • Electronic, Optical and Magnetic Materials
  • Biomaterials
  • Surfaces, Coatings and Films
  • Colloid and Surface Chemistry


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