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Sorption in glassy polymers

โœ Scribed by Vrentas, J. S.; Vrentas, C. M.


Book ID
120553610
Publisher
American Chemical Society
Year
1991
Tongue
English
Weight
987 KB
Volume
24
Category
Article
ISSN
0024-9297

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Integral sorption in glassy polymers
โœ J.S. Vrentas; C.M. Vrentas ๐Ÿ“‚ Article ๐Ÿ“… 1998 ๐Ÿ› Elsevier Science ๐ŸŒ English โš– 803 KB

A new theory is developed for integral sorption and desorption processes in glassy polymers. The theory can describe both case II diffusion and the classical case of Fickian diffusion. Predictions of the theory are compared with general experimental observations.

Differential sorption in glassy polymers
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Anomalous sorption curves have often been observed for differential sorption experiments in glassy polymers. A model is proposed to describe this non-Fickian behavior. This model is based on the presence of interfacial resistance caused by slow rate processes at the phase boundary. Predictions of th