Mechanical properties of PLA/PBAT blends and composites.
Material | Young modulus (GPa) | Yield stress (MPa) | Stress at break (MPa) | Strain at break (%) | Tensile impact strength (kJ m−2) |
---|---|---|---|---|---|
Blend (97/3) | 1.80 + 0.11 | 45.5 + 1.2 | 36.6 + 4.8 | 8.0 + 3.0 | 58.0 + 1.9 |
Blend (94/6) | 1.68 + 0.13 | 45.0 + 2.8 | 33.3 + 5.1 | 13.3 + 4.8 | 69.3 + 4.6 |
Blend (90/10) | 1.64 + 0.12 | 41.6 + 3.2 | 31.2 + 1.8 | 136.2 + 53.4 | 81.5 + 14.2 |
Composite (97/3) | 2.09 + 0.10 | 46.2 + 0.6 | 33.6 + 2.6 | 57.4 + 30.2 | 77.3 + 5.5 |
Composite (94/6) | 2.27 + 0.09 | 50.1 + 1.7 | 42.3 + 3.3 | 132.6 + 1.1 | 116.5 + 15.5 |
Composite (90/10) | 2.35 + 0.12 | 44.8 + 2.1 | 46.7 + 3.3 | 185.1 + 9.0 | 127.0 + 26.3 |