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Diffusivity of small molecules in polymers: Carboxylic acids in polystyrene

✍ Scribed by Gabriel Bernardo; Rudra Prosad Choudhury; Haskell W. Beckham

Book ID
113857640
Publisher
Elsevier Science
Year
2012
Tongue
English
Weight
799 KB
Volume
53
Category
Article
ISSN
0032-3861

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Diffusion of small molecules in glassy p
Diffusion of small molecules in glassy polymers
✍ 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