Table 5.
Parameters recorded during impact strength measurements.
| Material | Parameter | Time, h | |||||
|---|---|---|---|---|---|---|---|
| 1 | 24 | 48 | 168 | 336 | 840 | ||
| PP | Impact strength, kJ/m2 | - | - | - | - | 150 ± 11 | 128 ± 8.0 |
| Max. force, N | 330 ± 13 | 331 ± 8.0 | 342 ± 3.0 | 357 ± 10 | 360 ± 11 | 380 ± 7.0 | |
| PP-C4 | Impact strength, kJ/m2 | 81.9 ± 8.3 | 72.2 ± 4.4 | 67.1 ± 5.2 | 63.3 ± 2.3 | 62.3 ± 3.6 | 61.8 ± 1.9 |
| Max. force, N | 296 ± 11 | 319 ± 10 | 335 ± 8.0 | 338 ± 14 | 348 ± 8.0 | 370 ± 5.0 | |
| PP-C0 | Impact strength, kJ/m2 | 66.8 ± 3.8 | 62.7 ± 6.7 | 61.7 ± 5.6 | 56.2 ± 1.8 | 52.8 ± 0.9 | 47.5 ± 1.1 |
| Max. force, N | 249 ± 7.0 | 266 ± 7.0 | 301 ± 11 | 312 ± 6.0 | 318 ± 7.0 | 335 ± 3.0 | |