Carrier gas flow arrangement based photoacoustic detection method for measuring gas permeability of polymer membranes

Zoltán Filus, Nikolett Tóth, Gábor Gulyás, Tibor Guba, Gábor Szabó, Z. Bozóki

Research output: Contribution to journalArticle

5 Citations (Scopus)

Abstract

This paper describes a membrane permeability measuring set-up based on photoacoustic spectroscopy using continuous carrier gas flow to transport the permeated analyte molecules into a photoacoustic detection cell. The permeability parameters of the sample were determined from the measured permeation curves by using a numerical curve fitting algorithm. The method was applied to different membrane samples for determining methane and carbon-dioxide permeability at various carrier gas flow rates (CFRs). For each sample, a characteristic threshold flow rate (TFR) value can be identified below which a strong dependency of the determined permeation parameters on the CFR was found. For those cases when the CFR value cannot be set to be sufficiently high (i.e. above the TFR value), an extrapolation method was presented giving an accurate estimation of the permeation parameters.

Original languageEnglish
Pages (from-to)1099-1104
Number of pages6
JournalPolymer Testing
Volume32
Issue number6
DOIs
Publication statusPublished - 2013

Fingerprint

Gas permeability
Photoacoustic effect
Flow of gases
Polymers
Flow rate
Membranes
Permeation
Photoacoustic spectroscopy
Methane
Curve fitting
Extrapolation
Carbon Dioxide
Carbon dioxide
Molecules

Keywords

  • Membrane
  • Permeability
  • Photoacoustics
  • Polyethylene
  • Rubber

ASJC Scopus subject areas

  • Organic Chemistry
  • Polymers and Plastics

Cite this

Carrier gas flow arrangement based photoacoustic detection method for measuring gas permeability of polymer membranes. / Filus, Zoltán; Tóth, Nikolett; Gulyás, Gábor; Guba, Tibor; Szabó, Gábor; Bozóki, Z.

In: Polymer Testing, Vol. 32, No. 6, 2013, p. 1099-1104.

Research output: Contribution to journalArticle

Filus, Zoltán ; Tóth, Nikolett ; Gulyás, Gábor ; Guba, Tibor ; Szabó, Gábor ; Bozóki, Z. / Carrier gas flow arrangement based photoacoustic detection method for measuring gas permeability of polymer membranes. In: Polymer Testing. 2013 ; Vol. 32, No. 6. pp. 1099-1104.
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