Article | REF: J2152 V2

Emulsification processes. Mechanisms of emulsion formation

Authors: Jean-Paul CANSELIER, Martine POUX

Publication date: December 10, 2021

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2. Mechanisms involved in emulsification

Although the mechanisms of emulsification are not yet fully understood, we're a long way from the days when an anonymous apothecary claimed that emulsions should always be stirred counter-clockwise, discouraging his colleagues from recruiting left-handed assistants! Elementary emulsification processes involve at least two stages: the formation of relatively large droplets, including the initial formation of fluid films or cylinders and their break-up due to Rayleigh-Taylor and/or Kelvin-Helmholtz-type instabilities (§ 2.2.2 ), followed by the break-up of these droplets into smaller objects.

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Mechanisms involved in emulsification