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The contact angle data of neat EPR, GNS/EPR1–5 nanocomposites and its Au NPs/GNS/EPR with water
| Sample | Right contact angle (°) | Left contact angle (°) | Average contact angle (°) |
|---|---|---|---|
| Pure EPR | 86.6 | 86.2 | 86.4 |
| GNS/EPR1 | 86.4 | 91.8 | 89.1 |
| GNS/EPR3 | 92.0 | 95.2 | 93.6 |
| GNS/EPR4 | 97.5 | 97.5 | 97.5 |
| GNS/EPR5 | 98.8 | 98.5 | 98.65 |
| Au NPs/GNS/EPR | 84.1 | 84.2 | 84.15 |
