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Measurement of Diffusivities of Small Molecules in Polymers Using FT-IR-ATR

✍ Scribed by Xu, J. R.; Balik, C. M.


Book ID
115360807
Publisher
Society for Applied Spectroscopy
Year
1988
Tongue
English
Weight
613 KB
Volume
42
Category
Article
ISSN
0003-7028

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Diffusion of small molecules in glassy p
✍ M. PΓΆnitsch; P. Gotthardt; A. GrΓΌger; H. G. Brion; R. Kirchheim πŸ“‚ Article πŸ“… 1997 πŸ› John Wiley and Sons 🌐 English βš– 255 KB πŸ‘ 2 views

Small molecules in glassy polymers are considered to occupy sites with a distribution of free energies of dissolution. Then their diffusivity depends on concentration and temperature in the same way as it has been derived for hydrogen atoms in metallic glasses. For hydrogen it was shown that the tra