Table 1.
Samples | Tg (°C) |
Tm1 (°C) |
Tm2 (°C) |
Peak stress (MPa) |
Breaking strain (%) |
Initial modulus (MPa) |
Inherent viscosity (dL/g) |
Water absorption (%) |
Instant recovery (%) |
---|---|---|---|---|---|---|---|---|---|
PU-BDO | −58 | 26 | - | 12.3±0.8 | 729±126a | 15±2a | 1.72 | 43±5a | 99±1 |
PU-0.5SS | −60 | 36 | - | 12.2±1.4 | 1021±274a | 4±1b | 2.43 | 32±16a | 100±1 |
PU-1SS | −59 | 35 | - | 11.9±0.5 | 1098±231a | 8±1c | 2.32 | 40±7a | 99±1 |
PU-1.5SS | −59 | 16 | 110 | 12.0±0.6 | 821±116a | 26±4b | 1.72 | 67 ±4b | 99±1 |
PU-1.8SS | −57 | - | 126 | 11.5±1.4 | 337±45b | 44±3e | 1.63 | 76±10b | 98±1 |
represent significantly different groups for each characteristic.