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Prediction of Polymer/Solvent Diffusion Behavior Using Free-Volume Theory

✍ Scribed by Hong, Seong-Uk

Book ID
121223473
Publisher
American Chemical Society
Year
1995
Tongue
English
Weight
853 KB
Volume
34
Category
Article
ISSN
0888-5885

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πŸ“œ SIMILAR VOLUMES

Prediction of solvent-diffusion coeffici
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Several versions of free-volume theory have been proposed to correlate or predict the solvent diffusion coefficient of a polymer/solvent system. The quantity of free volume is usually determined by the Williams-Landel-Ferry (WLF) equation from viscosity data of the pure component in these theories.

Use of Solvent Free-Volume Parameters fr
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Variable temperature 3C nuclear magnetic resonance (NMR) spinlattice ( Tl) relaxation studies were carried out using pure ethylbenzene, tetrahydrofuran, and methanol samples. Single correlation times, determined from an isotropic rotational diffusion model, were correlated successfully using the fre