Table 3.
O2 solubilities (cm3·(STP)·cm−3·cm·Hg−1) and O2/N2 solubility selectivities of the MMMs at different temperatures.
| Membrane | T = 298 K | T = 313 K | T = 323 K | T = 333 K | ||||
|---|---|---|---|---|---|---|---|---|
| S(O2) | αS (O2/N2) | S(O2) | αS (O2/N2) | S(O2) | αS (O2/N2) | S(O2) | αS (O2/N2) | |
| PTMSP | 18.43 ± 1.21 | 11.59 ± 3.22 | 25.92 ± 0.52 | 7.18 ± 1.02 | 23.97 ± 1.77 | 4.49 ± 0.55 | 20.66 ± 6.23 | 3.05 ± 0.72 |
| 5 wt % CHA/PTMSP | 5.44 ± 1.14 | 0.76 ± 0.16 | 5.83 ± 1.12 | 0.79 ± 0.15 | 8.76 ± 0.43 | 1.25 ± 0.09 | 7.15 ± 0.46 | 1.00 ± 0.11 |
| 5 wt % LTA5/PTMSP | 8.82 ± 0.68 | 2.08 ± 0.33 | 9.24 ± 1.54 | 2.10 ± 1.25 | 9.48 ± 0.31 | 1.58 ± 0.18 | 10.11 ± 0.80 | 1.46 ±0.77 |
| 5 wt % Rho/PTMSP | 7.55 ± 0.58 | 1.87 ± 0.16 | 10.09 ± 0.54 | 1.89 ± 0.80 | 10.46 ± 4.89 | 2.05 ± 1.00 | 12.93 ± 0.44 | 3.83 ± 0.58 |
| 20 wt % LTA1/PTMSP | 9.26 ± 5.71 | 6.40 ± 3.25 | 7.34 ± 1.06 | 4.16 ± 1.00 | 7.51 ± 1.87 | 4.95 ± 2.45 | 7.64 ± 2.42 | 2.43 ± 0.62 |