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Surface wettability and roughness of coating surfaces on catheters.
| Coating surfaces | Water contact angle (°) | Roughness (nm) |
|
|---|---|---|---|
| Rq | Ra | ||
| Bare PU | 96.7 ± 4.1 | 22.2 ± 2.5 | 17.5 ± 2.2 |
| TFE | 109.2 ± 6.1 | 48.1 ± 4.9 | 36.9 ± 3.7 |
| X-OFP | 106.2 ± 5.0 | 188.5 ±15.9 | 130.0 ± 8.2 |
