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| Sample | Thickness (μm) | Porosity (%) | Tensile strength (MPa) | Elongation at break (%) |
|---|---|---|---|---|
| Paper | 265.4 ± 3.4 | 87.4 ± 1.3 | 7.8 ± 0.6 | 23.8 ± 2.3 |
| PDA/paper | 287.4 ± 3.6 | 81.2 ± 1.7 | 8.4 ± 0.5 | 26.3 ± 1.0 |
| PDMS–SiO2/PDA/paper | 298.8 ± 5.1 | 77.0 ± 2.1 | 7.7 ± 0.8 | 27.5 ± 1.6 |
| PDMS–SiO2/paper | 293.4 ± 7.4 | 69.2 ± 3.5 | 8.1 ± 0.7 | 28.9 ± 2.7 |
