Correlation between polymer packing and gas transport properties for CO2/N2 separation in glassy fluorinated polyimide membrane
Gas separation performance of a membrane highly hinges on its physical properties. In this study, the interplay between polymer packing of a membrane and its gas transport behaviours (permeability and selectivity) was investigated through a series of 6FDA-DAM:DABA (3:2) polyimide membranes with diff...
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| Format: | Journal Article |
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School of Engineering, Taylor’s University
2016
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| Online Access: | http://jestec.taylors.edu.my/Vol%2011%20issue%207%20July%202016/11_7_2.pdf http://hdl.handle.net/20.500.11937/43075 |
| _version_ | 1848756590570635264 |
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| author | Jawad, Zeinab |
| author_facet | Jawad, Zeinab |
| author_sort | Jawad, Zeinab |
| building | Curtin Institutional Repository |
| collection | Online Access |
| description | Gas separation performance of a membrane highly hinges on its physical properties. In this study, the interplay between polymer packing of a membrane and its gas transport behaviours (permeability and selectivity) was investigated through a series of 6FDA-DAM:DABA (3:2) polyimide membranes with different polymer compactness. The chemical structure and the polymer packing of the resulting membrane were characterized using attenuated total reflectance-Fourier transform infrared spectroscopy (ATR-FTIR) and packing density measurement, respectively. CO2/N2 separation efficiency of the membrane was evaluated at 25°C with feed pressure up to 6 bar. N2 permeability was found to rely on the membrane’s packing density, which signified its greater dependence on molecular sieving. In contrast, sorption showed a more vital role in determining the CO2 permeability. In this work, the membrane with a final thickness of 97±2 μm had successfully surpassed the Robeson’s 2008 upper bound plot with a CO2 permeability of 83 Barrer and CO2/N2 selectivity of 97 at 3 bar permeation. |
| first_indexed | 2025-11-14T09:14:37Z |
| format | Journal Article |
| id | curtin-20.500.11937-43075 |
| institution | Curtin University Malaysia |
| institution_category | Local University |
| last_indexed | 2025-11-14T09:14:37Z |
| publishDate | 2016 |
| publisher | School of Engineering, Taylor’s University |
| recordtype | eprints |
| repository_type | Digital Repository |
| spelling | curtin-20.500.11937-430752017-01-30T15:04:29Z Correlation between polymer packing and gas transport properties for CO2/N2 separation in glassy fluorinated polyimide membrane Jawad, Zeinab Gas separation performance of a membrane highly hinges on its physical properties. In this study, the interplay between polymer packing of a membrane and its gas transport behaviours (permeability and selectivity) was investigated through a series of 6FDA-DAM:DABA (3:2) polyimide membranes with different polymer compactness. The chemical structure and the polymer packing of the resulting membrane were characterized using attenuated total reflectance-Fourier transform infrared spectroscopy (ATR-FTIR) and packing density measurement, respectively. CO2/N2 separation efficiency of the membrane was evaluated at 25°C with feed pressure up to 6 bar. N2 permeability was found to rely on the membrane’s packing density, which signified its greater dependence on molecular sieving. In contrast, sorption showed a more vital role in determining the CO2 permeability. In this work, the membrane with a final thickness of 97±2 μm had successfully surpassed the Robeson’s 2008 upper bound plot with a CO2 permeability of 83 Barrer and CO2/N2 selectivity of 97 at 3 bar permeation. 2016 Journal Article http://hdl.handle.net/20.500.11937/43075 http://jestec.taylors.edu.my/Vol%2011%20issue%207%20July%202016/11_7_2.pdf School of Engineering, Taylor’s University restricted |
| spellingShingle | Jawad, Zeinab Correlation between polymer packing and gas transport properties for CO2/N2 separation in glassy fluorinated polyimide membrane |
| title | Correlation between polymer packing and gas transport properties for CO2/N2 separation in glassy fluorinated polyimide membrane |
| title_full | Correlation between polymer packing and gas transport properties for CO2/N2 separation in glassy fluorinated polyimide membrane |
| title_fullStr | Correlation between polymer packing and gas transport properties for CO2/N2 separation in glassy fluorinated polyimide membrane |
| title_full_unstemmed | Correlation between polymer packing and gas transport properties for CO2/N2 separation in glassy fluorinated polyimide membrane |
| title_short | Correlation between polymer packing and gas transport properties for CO2/N2 separation in glassy fluorinated polyimide membrane |
| title_sort | correlation between polymer packing and gas transport properties for co2/n2 separation in glassy fluorinated polyimide membrane |
| url | http://jestec.taylors.edu.my/Vol%2011%20issue%207%20July%202016/11_7_2.pdf http://hdl.handle.net/20.500.11937/43075 |