Table 1.
O2 permeabilities (Barrer) and O2/N2 permeability selectivities of the mixed-matrix membranes (MMMs) at different temperatures.
| Membrane | T = 298 K | T = 313 K | T = 323 K | T = 333 K | ||||
|---|---|---|---|---|---|---|---|---|
| P (O2) | αP (O2/N2) | P (O2) | αP (O2/N2) | P (O2) | αP (O2/N2) | P (O2) | αP (O2/N2) | |
| PTMSP | 10083 ± 936 | 1.32 ± 0.12 | 9072 ± 256 | 1.27 ± 0.04 | 8293 ± 851 | 1.27 ± 0.12 | 7024 ± 1050 | 0.94 ± 0.41 |
| 5 wt % CHA/PTMSP | 885 ± 395 | 3.03 ± 0.96 | 1038 ± 270 | 2.79 ± 0.51 | 2965 ± 1321 | 7.25 ± 2.28 | 4308 ± 1608 | 8.43 ± 2.23 |
| 5 wt % LTA5/PTMSP | 2727 ± 813 | 3.43 ± 0.72 | 3244 ± 193 | 3.97 ± 0.17 | 3642 ± 33 | 3.02 ± 0.02 | 4316 ± 1107 | 1.42 ± 2.23 |
| 5 wt % Rho/PTMSP | 1368 ± 573 | 1.03 ± 0.63 | 2414 ± 921 | 1.99 ± 1.58 | 2707 ± 601 | 2.49 ± 1.66 | 5312 ± 1910 | 3.88 ± 1.02 |
| 20 wt % LTA1/PTMSP | 2000 ± 198 | 4.91 ± 0.49 | 2051 ± 756 | 6.62 ± 2.44 | 2803 ± 1592 | 5.83 ± 3.31 | 4833 ± 2542 | 4.28 ± 2.25 |
| 5 wt % TMSP/PTMSP [23] | 2346 | 1.92 | 2203 | 1.88 | 2018 | 1.82 | – | – |
| LiA/PTMSP [17] | – | – | 10390 | 1.45 | – | – | – | – |
| 20 vol % zeolite A/Matrimid | 4.0 | 7.20 | – | – | – | – | – | – |
| 15 wt % zeolite NaA/PDMS [31] | 330 | 2.23 | 403 | 2.12 | – | – | 493 | 1.65 |
| 50 wt % zeolite NaA/PDMS * [31] | 221 | 2.23 | 284 | 2.12 | – | – | 330 | 1.82 |
| 20 wt % Zeolite A/PES [9] | – | – | 0.35 | 6.0 | – | – | – | – |
| 15 wt % Zeolite A/PVAc [10] | – | – | 0.45 | 7.45 | – | – | – | – |
* PDMS = polydimethylsiloxane.