Table 2. T g of membrane samples.
| Membrane sample | Glass transition temperature-Tg (°C) |
|---|---|
| PSF | 177.6 ± 0.2 |
| M1 | 179.8 ± 0.3 |
| M2 | 181.8 ± 0.6 |
| M3 | 184.2 ± 0.5 |
| I1 | 178.4 ± 0.6 |
| I2 | 180.9 ± 0.3 |
| I3 | 183.2 ± 1.1 |
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