Formula 5.29

Diffusion in polymers

Input(s)

M: Molar Weight $(\mathrm{g} / \mathrm{mol})$

Output(s)

$$ \boldsymbol{D}_{\boldsymbol{A} \boldsymbol{B}}: \quad \text { Diffusivity }\left(\mathrm{cm}^{2} / \mathrm{s}\right) $$

Formula(s)

$$ \mathrm{D}_{\mathrm{AB}}=\frac{1}{\mathrm{M}^{0.5}} $$

Reference(s)

Bird, R.B., Stewart, W.E. and Lightfoot, E.N. (2002). Transport Phenomena (Second Ed.). John Wiley \& Sons, Chapter: 17, Page: 532.