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Thermodynamic properties of PET samples.
| Sample | T m | T g | ΔHc | ΔHm | Crystallinity |
|---|---|---|---|---|---|
| °C | °C | J·g−1 | J·g−1 | (%) | |
| ① | 256.4 | 81.2 | −16.28 (123.0 °C) | 48.51 | 23.02 |
| ② | 255.1 | 81.6 | −16.51 (122.4 °C) | 50.08 | 23.98 |
| ③ | 254.9 | 81.9 | −14.03 (122.4 °C) | 48.36 | 24.52 |
① PET; ② PET treated by alkali; ③ PET treated by alkali bacterial.
