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. 2021 May 17;13(10):1624. doi: 10.3390/polym13101624

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 (°).