Table 2.
Summary of the mechanical properties of the bio-based polyethylene terephthalate (bio-PET)/recycled cotton fiber (RCF) composite pieces.
| Piece | Tensile Strength (MPa) | Tensile Modulus (MPa) | Elongation at Break (%) | Shore D Hardness | Impact Strength (kJ·m−2) |
|---|---|---|---|---|---|
| Bio-PET100 | 50.7 ± 2.1 | 777 ± 58 | 378.4 ± 12.7 | 67.0 ± 2.7 | 2.97 ± 0.4 |
| Bio-PET99/RCF01 | 48.1 ± 8.6 | 843 ± 83 | 8.1 ± 2.1 | 70.1 ± 0.2 | 1.06 ± 0.6 |
| Bio-PET98/RCF02 | 42.9 ± 4.9 | 898 ± 102 | 6.5 ± 0.9 | 71.5 ± 0.6 | 0.96 ± 0.6 |
| Bio-PET97/RCF03 | 39.7 ± 7.2 | 907 ± 82 | 6.2 ± 1.4 | 73.0 ± 0.7 | 0.96 ± 0.6 |
| Bio-PET96/RCF04 | 36.7 ± 0.9 | 908 ± 18 | 5.7 ± 0.9 | 74.6 ± 0.5 | 0.91 ± 0.5 |
| Bio-PET95/RCF05 | 29.9 ± 3.7 | 950 ± 44 | 4.2 ± 0.2 | 75.5 ± 1.0 | 0.91 ± 0.3 |
| Bio-PET90/RCF10 | 24.4 ± 2.4 | 1124 ± 45 | 2.8 ± 0.8 | 76.3 ± 0.4 | 0.30 ± 0.1 |