Table 2.
Wetting and surface energy characterization
| Surface |
θ
r
[°] |
Surface energy [mN/m] |
||||
|---|---|---|---|---|---|---|
| Water | DIM | EG | γ s p | γ s d | γ s | |
| Latex 1 |
84 ± 1 |
52 ± 1 |
73 ± 1 |
3.4 |
27.8 |
31.2 |
| Latex 2 |
74 ± 3 |
47 ± 2 |
59 ± 2 |
6.6 |
31.3 |
37.9 |
| Kaolin |
64 ± 2 |
50 ± 1 |
48 ± 1 |
12.2 |
29.9 |
42.1 |
| PCC |
92 ± 3 |
52 ± 1 |
52 ± 2 |
1.4 |
34.7 |
36.1 |
| PS (96-well) |
80 ± 1b |
37 ± 2b |
53 ± 2b |
3.2 |
38.2 |
41.4 |
| PDMSa | 114 ± 1b | 92 ± 2b | 96 ± 1b | 0.6 | 11.7 | 12.3 |
aNot corrected for roughness, b(Juvonen et al. [2013]).