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Kinetics of absorption of toluene by coatings made of epoxy resin; modelling and experiments

✍ Scribed by S. Laoubi; J. Bouzon; J.M. Vergnaud

Publisher
Elsevier Science
Year
1992
Tongue
English
Weight
224 KB
Volume
28
Category
Article
ISSN
0014-3057

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✦ Synopsis

When a coating made of epoxy resin is in contact with toluene at room temperature, a matter transport may take place, with approximately linear kinetics. The process of this matter transfer is described by considering the diffusion of the liquid within the coating with concentration-dependent diffusivity. The concentration of the liquid on the coating surface increases with time by following an exponential law. A numerical model with finite differences is capable of describing the kinetics of absorption, following these two assumptions.

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