Table 7.
WCA and OCA of glass and UPRON substrates coated with WPUD.
| Coating Reference | Substrate | |||
|---|---|---|---|---|
| Glass Slides | UPRON a | |||
| WCA (°) | OCA (°) | WCA (°) | OCA (°) | |
| Uncoated | Spreads | Spreads | Wets | Wets |
| 3238-1 | 85 ± 2 | 22 ± 2 | 117 ± 1 | 37 ± 1 |
| 3238-2 | 90 ± 1 | 25 ± 1 | 112 ± 1 | 37 ± 1 |
| 3238-3POSS | 93 ± 1 | 32 ± 2 | 135 ± 1 | 33 ± 1 |
| 3238-3PDO | 84 ± 1 | 30 ± 1 | 108 ± 1 | 35 ± 2 |
| 3238-7POSS | 97 ± 1 | 29 ± 1 | 132 ± 1 | 33 ± 1 |
| 3238-7PDO | 84 ± 1 | 26 ± 1 | 117 ± 1 | 32 ± 2 |
a The dry add-on of the coated UPRON fabrics was 26 ± 3 g m−2 for all the coated samples.