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What is the structural component of disjoining pressure?

  1. Dec 12, 2014 #1
    It is widely believed that there are three components of disjoining pressure: the dispersion component (Van der Waals), the electrostatic component and the structural component. For the first two, there are some accepted formulations for calculation. However, I cannot find any equations for the structural components. Is there any papers that give an explicit equation?
  2. jcsd
  3. Dec 12, 2014 #2


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    Structural effects on physical properties aren't regular enough to be summed up in any sort of cookbook equation, sorry. If you read carefully, you'll find the other two components have a "molecular area" approximation built into them.
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