The properties of PTFE nanofiber membranes prepared at different temperatures (the mass ratio of PTFE/PVA was 4 : 1).
| Samples | Thickness (μm) | Water contact angle (°) | Mean pore size of PTFE membranes (μm) | Porosity (%) |
|---|---|---|---|---|
| 340 °C | 25 ± 1.0 | 135.98 ± 0.6 | 1.9 ± 0.12 | 78.9 ± 3.5 |
| 360 °C | 24 ± 2.0 | 137.97 ± 0.8 | 1.85 ± 0.06 | 82.3 ± 2.8 |
| 380 °C | 23 ± 3.0 | 140.09 ± 0.7 | 1.82 ± 0.08 | 84.4 ± 1.3 |
| 390 °C | 23 ± 2.0 | 142.91 ± 0.9 | 1.76 ± 0.11 | 86.3 ± 3.4 |