Table 7 Contact angle measurements of the alumina support modified with two different silane agents: C3 and C8
From: Synthesis of alumina, titania, and alumina-titania hydrophobic membranes via sol?gel polymeric route
Number | Sample ID | Concentration of silane/ethanol solution (vol.%) | Side | CA (deg) | Average time (s) |
|---|---|---|---|---|---|
1 | C3 (2?vol.%) | 2 | Front | 86.2 | Â |
Back | Â | 8 | |||
2 | C3 (5?vol.%) | 5 | Front | Â | 5 |
Back | Â | 5 | |||
3 | C3 (10?vol.%) | 10 | Front | Â | 6 |
Back | Â | 11 | |||
4 | C8 (2?vol.%) | 2 | Front | 102.2 | Â |
Back | 115.7 | Â | |||
5 | C8 (5?vol.%) | 5 | Front | 116.3 | Â |
Back | 111.5 | Â | |||
6 | C8 (10?vol.%) | 10 | Front | 107.4 | Â |
| Â | Â | Â | Back | 106.1 | Â |