Table 1 Single gas (CO2, N2, and CH4) permeability and selectivity (CO2/N2, and CO2/CH4) of FS/PDMS membranes at 20 Psig pressure and at room temperature at different wt% of filler loading.
Membrane | Permeability of CO2 (Barrer) | Permeability of N2 (Barrer) | Permeability of CH4 (Barrer) | Selectivity of CO2/N2 | Selectivity of CO2/CH4 |
|---|---|---|---|---|---|
Neat PDMS (0% FS) | 2889 | 271 | 833 | 10.66 | 3.47 |
2.5% FS/PDMS | 3005 | 269 | 844 | 11.17 | 3.56 |
5% FS/PDMS | 3662 | 265 | 851 | 13.82 | 4.30 |
7.5% FS/PDMS | 4105 | 262 | 849 | 15.67 | 4.84 |
10% FS/PDMS | 4431 | 294 | 983 | 15.07 | 4.51 |