Table 8.
WCA, θAv, θRe, and calculated CAH of glass and UPRON substrates coated with WPUD and RD27.
| Coating Reference | Substrate | |||||||
|---|---|---|---|---|---|---|---|---|
| Glass Slides | UPRON a | |||||||
| WCA (°) | θAv
(°) |
θRe
(°) |
CAHb
(°) |
WCA (°) |
θAv
(°) |
θRe
(°) |
CAH b
(°) |
|
| Uncoated | spreads | - | - | - | wets | - | - | - |
| 3294IPDI-1 | 98.4 ± 1.3 | 97.0 ± 3.3 | 94.8 ± 0.8 | 2.3 ± 3.4 | 121.4 ± 1.8 | 122.7 ± 3.8 | 119.4 ± 5.1 | 3.2 ± 1.5 |
| 3294IPDI-2 | 86.0 ± 1.9 | 91.5 ± 4.5 | 84.4 ± 5.6 | 7.1 ± 6.5 | 119.7 ± 4.0 | 125.1 ± 4.4 | 121.6 ± 5.7 | 2.4 ± 2.2 |
| 3294IPDI-3 | 92.4 ± 2.7 | 92.9 ± 1.0 | 87.1 ± 4.5 | 5.9 ± 4.6 | 116.3 ± 2.8 | 117.1 ± 1.1 | 113.8 ± 1.1 | 3.3 ± 1.0 |
| 3294IPDI-7 | 86.9 ± 0.6 | 90.4 ± 2.2 | 88.2 ± 2.2 | 2.2 ± 3.1 | 113.2 ± 7.0 | 115.3 ± 6.4 | 111.8 ± 5.7 | 3.5 ± 1.0 |
| RD27 | 78.2 ± 1.0 | 79.4 ± 1.0 | 77.0 ± 1.3 | 2.4 ± 1.6 | 106.8 ± 2.4 | 111.2 ± 0.4 | 110.6 ± 0.7 | 0.6 ± 1.0 |
| 3294IPDI-2/ SWCNT 0.05 wt. % |
78.3 ± 1.2 | 90.8 ± 3.6 | 86.2 ± 1.2 | 4.6 ± 3.8 | 111.7 ± 1.4 | 112.7 ± 3.8 | 109.4 ± 2.8 | 3.3 ± 3.2 |
| 3294IPDI-2/ SWCNT 0.1 wt. % |
89.2 ± 1.6 | 96.0 ± 3.0 | 94.3 ± 2.7 | 1.6 ± 4.1 | 114.9 ± 5.0 | 120.5 ± 1.4 | 115.7 ± 1.6 | 4.8 ± 0.9 |
a The Dry add-on of the coated UPRON fabrics was 25 ± 2 g m−2 for all the coated samples. b CAH = θAv − θRe (°).