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Application of Electrospun Gas Diffusion Nanofibre‐membranes in the Determination of Dissolved Carbon Dioxide
Author(s) -
Truong Yen B.,
O'Bryan Yukie,
McKelvie Ian D.,
Kyratzis Ilias L.,
Humphries William
Publication year - 2013
Publication title -
macromolecular materials and engineering
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.913
H-Index - 96
eISSN - 1439-2054
pISSN - 1438-7492
DOI - 10.1002/mame.201200329
Subject(s) - membrane , materials science , polyvinylidene fluoride , electrospinning , polystyrene , chemical engineering , polymer , synthetic membrane , polymer chemistry , diffusion , composite material , chemistry , biochemistry , physics , engineering , thermodynamics
This study demonstrates the first time use of electrospun nanofibrous hydrophobic membranes as gas diffusion (GD) membranes in flow injection analysis (FIA) for the determination of carbon dioxide. Different electrospun membranes are prepared from polyvinylidene fluoride (PVDF) and polystyrene (PS) polymers. To impart structural integrity for PVDF membrane, the addition of 1,4‐butanediol dimethacrylate (BDDMA) is used to form an interpenetrating network, while for PS membranes are spot welded with heat‐pressing at 80 °C. Heat pressed PS membranes are shown to have the best analytical sensitivity among other electrospun membranes and performed as well as the commercial PP membrane. A correlation is observed between the thickness of heat pressed PS membranes and analytical sensitivity.