Abstract
Permeation of benzene, cyclohexane, n-hexane and toluene through polyethylene films of different densities was studied by a gravimetric method and the values of permeation constant are presented. The values are converted to diffusivity with the aid of sorption equilibria.
Activation energy of diffusion is correlated to the cross-sectional area of permeant molecules.
Furthermore, the change of energy with the amount sorbed is discussed.
