Table 2.
Mechanical properties of the PHBV and PHBV/ENR-25 blends.
| Samples | Compatibilizer (%) | Impact strength (J/m) | Tensile properties | Flexural modulus (MPa) | Strain (%) | ||
|---|---|---|---|---|---|---|---|
| Tensile strength (MPa) | Elongation at break (%) | Young’s modulus (MPa) | |||||
| 100 PHBV | – | 3.30 ± 0.66 | 28.34 ± 3.37 | 6.65 ± 0.73 | 868.29 ± 149.77 | 3,020.89 ± 178.00 | 4.14 ± 0.81 |
| PHBV/ENR-25 | |||||||
| 90/10 | – | 4.72 ± 0.10 | 21.98 ± 2.44 | 5.51 ± 0.62 | 851.79 ± 36.00 | 2,287.90 ± 59.36 | 6.72 ± 0.52 |
| 80/20 | – | 5.51 ± 0.56 | 13.85 ± 1.93 | 2.70 ± 0.18 | 689.78 ± 39.39 | 1,775.94 ± 65.37 | 7.10 ± 0.66 |
| 70/30 | – | 6.76 ± 0.43 | 5.60 ± 1.09 | 5.47 ± 0.66 | 343.59 ± 76.89 | 671.25 ± 47.03 | 8.09 ± 1.19 |
| PHBV/ENR-25/5%PB-g-MA | |||||||
| 90/10 | 5 | 3.30 ± 0.86 | 25.83 ± 1.43 | 5.35 ± 0.49 | 802.71 ± 53.78 | 2,655.55 ± 96.24 | 5.24 ± 0.47 |
| 80/20 | 5 | 4.72 ± 0.97 | 15.01 ± 1.03 | 3.56 ± 0.12 | 655.82 ± 24.41 | 1,760.64 ± 61.46 | 6.09 ± 0.66 |
| 70/30 | 5 | 6.92 ± 0.35 | 4.70 ± 0.60 | 3.36 ± 0.22 | 315.90 ± 4.52 | 1,240.33 ± 192.55 | 7.63 ± 0.89 |
| PHBV/ENR-25/10% PB-g-MA | |||||||
| 90/10 | 10 | 1.57 ± 0.10 | 28.00 ± 2.92 | 6.02 ± 1.21 | 819.74 ± 75.96 | 2,512.57 ± 91.43 | 4.81 ± 0.26 |
| 80/20 | 10 | 2.99 ± 0.66 | 14.06 ± 1.98 | 2.88 ± 0.41 | 637.43 ± 52.53 | 1,837.75 ± 90.52 | 5.32 ± 0.46 |
| 70/30 | 10 | 4.56 ± 0.66 | 5.67 ± 0.60 | 2.63 ± 0.61 | 361.97 ± 53.15 | 825.72 ± 52.49 | 5.78 ± 0.72 |