Fickian diffusion in glassy polymer‐solvent systems

J. S. Vrentas; C. M. Vrentas

doi:10.1002/polb.1992.090300908

Fickian diffusion in glassy polymer‐solvent systems

J. S. Vrentas, C. M. Vrentas

Chemical Engineering

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47 Scopus citations

Abstract

A free‐volume theory is developed for the analysis of Fickian diffusion processes in glassy polymers. Equations are presented for the prediction of mutual diffusion coefficients in concentrated glassy polymer‐penetrant systems. The concentration dependence of the mutual diffusion coefficient is dependent on how much free volume the solvent contributes to the system and on how the addition of solvent affects the densification of the polymer matrix. © 1992 John Wiley & Sons, Inc.

Original language	English (US)
Pages (from-to)	1005-1011
Number of pages	7
Journal	Journal of Polymer Science Part B: Polymer Physics
Volume	30
Issue number	9
DOIs	https://doi.org/10.1002/polb.1992.090300908
State	Published - Aug 1992

All Science Journal Classification (ASJC) codes

Condensed Matter Physics
Physical and Theoretical Chemistry
Polymers and Plastics
Materials Chemistry

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abstract = "A free‐volume theory is developed for the analysis of Fickian diffusion processes in glassy polymers. Equations are presented for the prediction of mutual diffusion coefficients in concentrated glassy polymer‐penetrant systems. The concentration dependence of the mutual diffusion coefficient is dependent on how much free volume the solvent contributes to the system and on how the addition of solvent affects the densification of the polymer matrix. {\textcopyright} 1992 John Wiley & Sons, Inc.",

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AB - A free‐volume theory is developed for the analysis of Fickian diffusion processes in glassy polymers. Equations are presented for the prediction of mutual diffusion coefficients in concentrated glassy polymer‐penetrant systems. The concentration dependence of the mutual diffusion coefficient is dependent on how much free volume the solvent contributes to the system and on how the addition of solvent affects the densification of the polymer matrix. © 1992 John Wiley & Sons, Inc.

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ER -

Fickian diffusion in glassy polymer‐solvent systems

Abstract

All Science Journal Classification (ASJC) codes

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