Table 4.
Summary of the main thermal properties of the bio-based polyethylene terephthalate (bio-PET)/recycled cotton fiber (RCF) composite pieces in terms of the: onset temperature of degradation (Tonset), degradation temperature (Tdeg), and residual mass at 700 °C.
| Code | Tonset (°C) | Tdeg1 (°C) | Tdeg2 (°C) | Tdeg3 (°C) | Residual Weight (%) |
|---|---|---|---|---|---|
| Bio-PET100 | 336.5 ± 1.3 | - | 448.0 ± 0.1 | - | 0.19 ± 0.03 |
| Bio-PET99/RCF01 | 348.9 ± 1.9 | 380.0 ± 1.3 | 447.7 ± 0.1 | 555.0 ± 1.3 | 0.21 ± 0.01 |
| Bio-PET98/RCF02 | 345.0 ± 3.6 | 375.3 ± 2.2 | 447.8 ± 0.1 | 564.3 ± 1.6 | 0.25 ± 0.02 |
| Bio-PET97/RCF03 | 361.6 ± 2.2 | 389.3 ± 1.3 | 450.0 ± 1.3 | 576.0 ± 1.9 | 0.36 ± 0.04 |
| Bio-PET96/RCF04 | 361.3 ± 1.6 | 373.0 ± 1.9 | 448.6 ± 1.6 | 562.0 ± 1.3 | 0.92 ± 0.03 |
| Bio-PET95/RCF05 | 359.8 ± 1.9 | 370.7 ± 1.3 | 448.7 ± 0.1 | 562.0 ± 1.6 | 1.02 ± 0.02 |
| Bio-PET90/RCF10 | 355.5 ± 1.3 | 380.0 ± 1.6 | 448.8 ± 0.1 | 587.7 ± 1.3 | 1.41 ± 0.05 |