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The mechanical properties of PU films
| Samples | Young’s modulus (MPa) | 100% modulus (MPa) | Tensile strength (MPa) | Elongation (%) |
|---|---|---|---|---|
| PU1 | 37.7±3.9 | 5.4±0.12 | 31.6±2.4 | 544±30 |
| PU2 | 28.1±4.1 | 5.4±0.32 | 30.6±2.28 | 553±18 |
| PU3 | 21.1±2.1 | 5.7±0.19 | 34.1±1.9 | 547±11 |
Note: There was no significant difference among the groups.
Abbreviation: PU, polyurethane.
