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Permeation through kapton® polyimide at elevated temperatures

  • SUNY Buffalo
  • Procter and Gamble

Research output: Contribution to journalArticlepeer-review

3 Scopus citations

Abstract

The permeabilities of CH4, CO2, CH3OH, H2O, O2, and CO through films of Kapton® polyimide were measured at temperatures of 50, 100, 150, 200, and 250°C and pressures below 1 atm. Apparent activation energies for the permeation of the pure components ranged from 31.6 kJ mol-1 for CH4 to nearly 0 for H2O under the conditions studied. The ideal permselectivity for methanol relative to methane decreased from over 100 to under 10 as the temperature was increased from 50 to 250°C.

Original languageEnglish
Pages (from-to)91-97
Number of pages7
JournalChemical Engineering Communications
Volume143
DOIs
StatePublished - 1996

Keywords

  • Methane
  • Methanol
  • Permeation
  • Polyimide

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