Table 2. Thermal Properties of the PHBV/PCL Blendsa.
| crystallization temperature (Tc) |
enthalpy (J/g) |
crystallinity
(%) |
||||
|---|---|---|---|---|---|---|
| blend | PHBV | PCL | PHBV | PCL | PHBV | PCL |
| neat PHBV | 121.0 | 84.5 | 77.5 (1.4) | |||
| PHBV/PCL (80/20) | 116.9 | 35.6 | 67.3 | 7.8 | 77.2 (0.9) | 28.7 (0.4) |
| PCL20–peroxide0.2 | 116.5 | 33.6 | 68.2 | 8.1 | 78.2 (1.0) | 29.8 (0.8) |
| PCL20–TAIC1 | 115.2 | 32.2 | 67.7 | 7.9 | 77.6 (0.8) | 28.9 (1.2) |
| PCL20–peroxide0.2–TAIC0.5 | 122.6 | 32.4 | 67.2 | 7.8 | 77.1 (3.5) | 28.5 (3.2) |
| PCL20–peroxide0.2–TAIC1 | 123.0 | 30.6 | 62.6 | 8.7 | 71.8 (1.2) | 32.1 (1.4) |
| PCL20–peroxide0.2–TAIC3 | 122.4 | 29.0 | 62.3 | 9.2 | 71.5 (0.6) | 33.1 (1.3) |
a
Crystallization temperature (Tc) and crystallinity of PHBV and PCL obtained from differential scanning calorimetry (DSC) second heating curves.