Diffusion rate- pentane in polystyrene

  • #1
For part of my coursework I am asked to look at gas application in polymer manufacture and while looking through sources I found articles on the use of pentane in polystyrene resin. I was wondering at what rate the pentane diffuses out of the polystyrene? Any equations would help tremendously as I can't find any online.
 

Answers and Replies

  • #2
1,198
5
I would say that this problem is an application of Fourier's Equation. It is similar to transient heat transfer. You'll have to obtain a diffusion coefficient.
 

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