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Self-Organization of a Dichloromethane Droplet on the Surface of a Surfactant Containing Aqueous Solution

  • Florian Wodlei
  • Véronique Pimienta
Conference paper
Part of the Communications in Computer and Information Science book series (CCIS, volume 587)

Abstract

We investigate the dynamics of a dichloromethane droplet placed on the surface of an aqueous solutions of cetyltrimethylammonium bromide. By varying the surfactant concentration, we observe a rich variety of different shapes, ranging from pulsating over rotating to polygonal-like shaped drops, during the dissolution process. These remarkable shapes seem to be the result of the complex interplay between numerous processes including solubilization, evaporation, mass transfer and adsorption of the surfactants at the water/oil interface.

Keywords

Dichloromethane Droplets Cetyltrimethylammonium bromide (CTAB) Dissolution Evaporation Mass transfer Adsorption of surfactants Marangoni instability 

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Copyright information

© Springer International Publishing Switzerland 2016

Authors and Affiliations

  1. 1.IMRCP LaboratoryPaul Sabatier UniversityToulouseFrance

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