Table 9.
Results of static and dynamic mechanical tests performed for prepared composite foams
| Parameter | 1 | 2 | 3 | 4 | 5 | 6 | 7 |
|---|---|---|---|---|---|---|---|
| Tensile strength (kPa) | 701 ± 112 | 993 ± 104 | 1009 ± 93 | 974 ± 10 | 802 ± 19 | 1019 ± 81 | 915 ± 43 |
| Elongation at break (%) | 152 ± 42 | 156 ± 14 | 152 ± 10 | 163 ± 12 | 175 ± 6 | 160 ± 10 | 150 ± 3 |
| Toughness (J/cm3) | 71.8 ± 24.4 | 91.4 ± 18.4 | 92.1 ± 16.3 | 92.4 ± 2.3 | 76.6 ± 1.5 | 99.2 ± 21.5 | 79.6 ± 5.7 |
| E′ at 25 °C (MPa) | 1.94 | 5.34 | 5.40 | 3.96 | 4.45 | 5.23 | 5.24 |
| Tg of GTR (°C) | −49.2 | −49.8 | −48.3 | −50.0 | −49.3 | −48.5 | −48.6 |
| Tg of PU foam (°C) | 19.7 | 33.9 | 32.3 | 26.3 | 21.4 | 24.9 | 25.3 |