Table 8.
Mechanical properties of acrylonitrile butadiene rubber (NBR) vulcanizates. Reproduced with permission from [97], Copyright Hindawi Publishing Corporation, 2016.
| Properties | Loading (phr) | MWCNT | CCB | CB | PS |
|---|---|---|---|---|---|
| Tensile strength (MPa) | 0 | 2.9 ± 0.37 | 2.9 ± 0.4 | 2.9 ± 0.4 | 2.9 ± 0.4 |
| 5 | 8.6 ± 0.1 | 4.3 ± 0.1 | 4.1 ± 0.2 | 3.6 ± 0.4 | |
| 10 | 12.9 ± 0.4 | 9.1 ± 0.2 | 5.3 ± 0.5 | 3.8 ± 0.2 | |
| 15 | 17.7 ± 0.5 | 14.6 ± 0.6 | 8.5 ± 1.5 | 5.3 ± 0.3 | |
| Elongation at break (%) | 0 | 182 ± 14 | 182 ± 14 | 182 ± 14 | 182 ± 14 |
| 5 | 176 ± 2 | 196 ± 3 | 202 ± 10 | 210 ± 17 | |
| 10 | 178 ± 3 | 244 ± 2 | 217 ± 14 | 220 ± 1 | |
| 15 | 171 ± 6 | 277 ± 6 | 231 ± 14 | 218 ± 10 | |
| Modulus at 100% (MPa) | 0 | 1.73 ± 0.04 | 1.73 ± 0.04 | 1.73 ± 0.04 | 1.73 ± 0.04 |
| 5 | 5.04 ± 0.09 | 1.93 ± 0.02 | 1.82 ± 0.10 | 1.79 ± 0.06 | |
| 10 | 7.49 ± 0.56 | 2.47 ± 0.07 | 1.79 ± 0.05 | 1.75 ± 0.06 | |
| 15 | 11.28 ± 0.35 | 3.30 ± 0.27 | 2.15 ± 0.10 | 2.30 ± 0.12 | |
| Hardness (Shore A) | 0 | 53 ± 0.3 | 53. ± 0.3 | 53. ± 0.3 | 53. ± 0.3 |
| 5 | 61.8 ± 0.3 | 56.0 ± 0.0 | 55.3 ± 0.3 | 54.8 ± 0.8 | |
| 10 | 69.0 ± 0.5 | 61.7 ± 0.6 | 56.5 ± 0.9 | 56.8 ± 1.0 | |
| 15 | 69.3 ± 0.8 | 65.5 ± 0.5 | 58.2 ± 0.3 | 59.9 ± 0.8 | |
| Heat build-up (°C) | 0 | 7.5 ± 0.7 | 7.5 ± 0.7 | 7.5 ± 0.7 | 7.5 ± 0.7 |
| 5 | 11.5 ± 0.7 | 9.0 ± 0.0 | 8.0 ± 0.0 | 8.0 ± 0.0 | |
| 10 | 18.5 ± 0.7 | 14.0 ± 0.0 | 9.0 ± 0.0 | 9.0 ± 0.0 | |
| 15 | 29.0 ± 1.4 | 21.0 ± 0.0 | 10.5 ± 0.7 | 10.0 ± 0.0 | |
| Abrasion loss (mm3) | 250.7 ± 10 | 250.7 ± 10.8 | 250.7 ± 10.8 | 250.7 ± 10.8 | 250.7 ± 10.8 |
| 5 | 82.0 ± 12.7 | 91.4 ± 10.0 | 188.2 ± 4.7 | 171.2 ± 25.0 | |
| 10 | 54.2 ± 3.7 | 54.9 ± 3.1 | 132.6 ± 12.6 | 155.7 ± 8.8 | |
| 15 | 48.0 ± 2.6 | 53.3 ± 1.3 | 90.8 ± 6.3 | 127.7 ± 9.9 |