Table 3 Comparison of porosity and water contact angle of the membrane from PET bottle and those from PET resin without additive
| Membrane | Polymer source |
Porosity (%) | Water contact angle (°) |
|---|---|---|---|
| Membrane - PET bottle | Used PET bottle | 69.7 ± 0.5 | 65.5 ± 1.4 |
| Membrane - PET resin | PET resin | 71.0 ± 1.2 | 65.8 ± 1.1 |