Table 3.
Contact angles, surface free energy, and polarity of membranes.
| Membrane | θ water (°) | θ diiodomethane (°) | γ (mN/m) | γp (mN/m) | γd (mN/m) | Polarity (%) |
|---|---|---|---|---|---|---|
| Metricel® | 29.3 | 3.4 | 76.23 | 30.41 | 45.82 | 39.89 |
| Isopore™ | 40 | 8.1 | 71.3 | 25.8 | 45.49 | 36.19 |
| Whatman™ | 16.2 | 14.5 | 79.6 | 35.24 | 44.36 | 44.27 |