Table 4.
Tensile properties of high-density polyethylene (HDPE)/reclaimed rubber (RR) blends. Adapted with permission from [77]; copyright 2019 Springer Nature Ltd.
| Sample Code | Tensile Strength (MPa) | Tensile Modulus (MPa) | Elongation at Break (%) |
|---|---|---|---|
| H-R30 | 11.0 ± 0.1 | 166.7 ± 7.3 | 31.5 ± 2.7 |
| H-R50 | 6.0 ± 0.6 | 101.4 ± 2.8 | 61.3 ± 5.5 |
| H-R70 | 2.3 ± 0.1 | 26.3 ± 5.8 | 125 ± 6.2 |
| H-R90 | 0.6 ± 0.2 | 1.6 ± 0.7 | 149 ± 4.3 |
| H-R30-C | 12.2 ± 4.1 | 218.4 ± 6.1 | 45.1 ± 5.7 |
| H-R50-C | 7.3 ± 3.2 | 122.4 ± 3.8 | 78.9 ± 7.1 |
| H-R70-C | 3.0 ± 0.7 | 29.8 ± 1.8 | 138.6 ± 2.4 |
| H-R90-C | 0.9 ± 0.2 | 2.1 ± 0.9 | 183 ± 4.9 |
| H-R30-P | 13.5 ± 5.1 | 346.6 ± 7.4 | 58 ± 8.2 |
| H-R50-P | 9.4 ± 2.6 | 184.9 ± 5.8 | 94.1 ± 3.4 |
| H-R70-P | 6.0 ± 1.7 | 36.5 ± 2.7 | 152.2 ± 1.5 |
| H-R90-P | 2.7 ± 0.8 | 2.8 ± 1.5 | 213.5 ± 6.1 |
H: HDPE, R: reclaimed rubber, C: compatibiliser (PE-g-MA), P: peroxide (liquid peroxide with trade name DHBP (2,5-dimethyl-2,5-di-(tert-butylperoxy)-hexane)).