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Membranes properties.
| Membranes | Water uptake (%) | Porosity (%) | Permeability (L h−1m-2 bar−1) |
|---|---|---|---|
| Pure PSf | 35.2 | 25.5 | 20.2 ± 2.1 |
| PSf-sPI4 (0.5 wt%) | 46.5 | 26.8 | 26.2 ± 1.5 |
| PSf-sPI4 (0.75 wt%) | 44.6 | 28.0 | 30.1 ± 0.8 |
| PSf-sPI4 (1 wt%) | 54.3 | 33.2 | 41.0 ± 1.0 |
| PSf-sPI5 (0.5 wt%) | 48.2 | 23.6 | 25.5 ± 0.9 |
| PSf-sPI5 (0.75 wt%) | 55.8 | 29.0 | 33.2 ± 1.1 |
| PSf-sPI5 (1 wt%) | 71.3 | 38.6 | 72.1 ± 0.4 |
