Thermodynamic model of gas permeability in polymer membranes

Do Kyoung Lee, Yong Woo Kim, Kyung Ju Lee, Byoung Ryul Min, Jonc Hak Kim

Research output: Contribution to journalArticle

3 Citations (Scopus)

Abstract

A new molecular thermodynamic model is developed of the gas permeability in polymer membranes on the basis of configurational entropy and Flory-Huggins theory to predict permeability dependence on the concentration of penetrant. Three kinds of configurational entropy are taken into account by this model; that is, the disorientation entropy of polymer, the mixing entropy, and specific interaction entropy of polymer/gas. The validity of the mathematical model is examined against experimental gas permeability for polymer membranes. Agreement between experimental and predicted permeability is satisfactory.

Original languageEnglish
Pages (from-to)661-665
Number of pages5
JournalJournal of Polymer Science, Part B: Polymer Physics
Volume45
Issue number6
DOIs
Publication statusPublished - 2007 Mar 15

Fingerprint

Gas permeability
permeability
Polymers
Entropy
Thermodynamics
entropy
membranes
Membranes
thermodynamics
polymers
gases
penetrants
disorientation
mathematical models
Gases
Mathematical models
interactions

All Science Journal Classification (ASJC) codes

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

Cite this

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Thermodynamic model of gas permeability in polymer membranes. / Lee, Do Kyoung; Kim, Yong Woo; Lee, Kyung Ju; Min, Byoung Ryul; Kim, Jonc Hak.

In: Journal of Polymer Science, Part B: Polymer Physics, Vol. 45, No. 6, 15.03.2007, p. 661-665.

Research output: Contribution to journalArticle

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