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Ideal selectivity of Pebax® 1657 and Pebax® 1657+ T20 or T80 blend membranes.
| Pebax/Polysorbate | Ideal Selectivity (−) | |||
|---|---|---|---|---|
| wt/wt | CO2/N2 | H2/N2 | O2/N2 | CO2/H2 |
| Neat Pebax | 57.8 | 5.62 | 2.48 | 10.3 |
| T20 85/15 | 55.9 | 5.34 | 2.53 | 10.5 |
| T20 65/35 | 54.3 | 5.36 | 2.50 | 10.1 |
| T20 50/50 | 50.7 | 5.88 | 2.88 | 8.62 |
| T80 85/15 | 56.7 | 5.62 | 2.63 | 10.1 |
| T80 65/35 | 47.6 | 4.67 | 2.54 | 10.2 |
| T80 50/50 | 47.8 | 4.99 | 2.51 | 9.60 |
