Table 3. Thermal Properties of PET/PLA Blends with/without Compatibilizers.
| PET |
PLA |
|||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Tg (°C) | Tcc (°C) | ΔHcc (J g–1) | Tm (°C) | ΔHm (J g–1) | χc (%) | Tg (°C) | Tcc (°C) | ΔHcc (J g–1) | Tm (°C) | ΔHm (J g–1) | χc (%) | |
| neat PET | 73.4 | 133.2 | 25.8 | 248.2 | 40.3 | 10.4 | ||||||
| T90 | 64.3 | 128.9 | 23.4 | 249.2 | 39.7 | 12.9 | 52.7 | 165.6 | 0.9 | 9.6 | ||
| T80 | 61.6 | 131.1 | 21.6 | 248.8 | 34.8 | 11.8 | 53.6 | 165.8 | 2.1 | 11.5 | ||
| T70 | 61.6 | 131.1 | 18.9 | 248.6 | 30.5 | 11.8 | 50.6 | 106.7 | 5.1 | 166.7 | 11.6 | 23.2 |
| neat PLA | 58.9 | 99.9 | 27.5 | 169.9 | 46.7 | 20.5 | ||||||
| T70-J0.3 | 62.4 | 123.7 | 19.2 | 247.0 | 21.9 | 2.7 | 53.6 | 167.8 | 11.2 | 39.8 | ||
| T70-J0.5 | 63.3 | 125.8 | 12.8 | 246.3 | 19.6 | 6.9 | 54.5 | 99.8 | 3.3 | 166.4 | 10.0 | 23.7 |
| T70-J0.7 | 63.7 | 126.3 | 14.4 | 248.1 | 24.8 | 10.7 | 54.8 | 100.3 | 2.4 | 165.9 | 7.9 | 19.4 |
| T70-J1.0 | 64.4 | 127.6 | 15.8 | 247.1 | 22.9 | 7.2 | 55.1 | 100.9 | 3.5 | 165.5 | 8.9 | 19.1 |
| T66.5-E3.5 | 64.3 | 122.1 | 11.6 | 246.6 | 23.7 | 13.1 | 52.9 | 103.4 | 1.9 | 167.7 | 11.1 | 32.8 |
| T63-E7 | 70.1 | 121.5 | 10.4 | 246.7 | 24.8 | 16.4 | 52.6 | 103.8 | 2.1 | 168.1 | 11.9 | 34.7 |
| T59.5-E10.5 | 71.2 | 124.3 | 9.2 | 246.0 | 18.8 | 11.5 | 54.6 | 102.8 | 2.5 | 167.7 | 11.8 | 33.0 |
| T56-E14 | 69.4 | 132.0 | 14.0 | 248.1 | 21.7 | 9.9 | 52.5 | 166.8 | 12.1 | 43.0 | ||
| T66.5-E3.5-J0.7 | 64.5 | 124.8 | 12.6 | 247.1 | 20.5 | 8.5 | 54.4 | 101.0 | 1.9 | 166.9 | 10.1 | 29.4 |
| T63-E7-J0.7 | 72.0 | 125.9 | 11.8 | 245.8 | 22.9 | 12.6 | 54.1 | 165.6 | 10.6 | 37.7 | ||
| T59.5-E10.5-J0.7 | 68.0 | 126.3 | 11.6 | 246.2 | 20.1 | 10.2 | 53.6 | 102.9 | 2.1 | 166.8 | 10.3 | 29.4 |
| T56-E14-J0.7 | 71.5 | 129.8 | 10.1 | 245.4 | 17.5 | 9.5 | 53.1 | 106.9 | 2.2 | 166.5 | 10.5 | 29.3 |