Gas permeability of PA-PDMS copolymer membranes at 25 °C and 1.0 atma.
| Polymer | P(H2) | P(CO2) | P(O2) | P(CH4) | P(N2) |
|---|---|---|---|---|---|
| PA | 8.09 ± 0.19 | 6.58 ± 0.11 | 1.31 ± 0.03 | 0.32 ± 0.05 | 0.26 ± 0.01 |
| PA-PDMS-5 | 10.53 ± 0.38 | 8.87 ± 0.42 | 1.55 ± 0.11 | 0.37 ± 0.08 | 0.29 ± 0.01 |
| PA-PDMS-10 | 13.92 ± 0.21 | 11.65 ± 0.51 | 2.14 ± 0.09 | 0.45 ± 0.03 | 0.37 ± 0.05 |
| PA-PDMS-15 | 17.67 ± 0.59 | 14.31 ± 0.72 | 2.61 ± 0.06 | 0.53 ± 0.01 | 0.43 ± 0.02 |
| PA-PDMS-20 | 22.14 ± 0.93 | 18.02 ± 0.86 | 3.19 ± 0.15 | 0.66 ± 0.12 | 0.51 ± 0.09 |
a
Gas permeability (P) in barrer. 1 barrer = 10−10 cm3 (STP) cm−1 cm−2 s−1 cmHg−1.