Table 2. Thermal Properties of PHBV and MA-g-PHBVa.
| Sample | Tm (°C) | Tc (°C) | ΔHm (J/g) | % Xc (%) | T2% (°C) | Tmax (°C) |
|---|---|---|---|---|---|---|
| PHBV | 171.0 | 125.6 | 94.00 | 86.23 | 272.1 | 300.8 |
| Comp_1 | 169.4 | 127.1 | 86.71 | 81.59 | 255.7 | 303.7 |
| Comp_2 | 169.2 | 125.0 | 78.12 | 73.50 | 258.4 | 301.4 |
| Comp_3 | 167.7 | 123.7 | 74.76 | 70.34 | 234.2 | 300.7 |
| Comp_4 | 168.4 | 124.6 | 73.05 | 68.73 | 240.8 | 300.2 |
| Comp_5 | 163.6 | 123.4 | 77.63 | 74.96 | 210.8 | 299.9 |
a
Comp_1: PHBV/2.5%MA/0.25 phr LUP, Comp_2: PHBV/2.5%MA/0.25 phr LUP/0.5 phr JON, Comp_3: PHBV/2.5%MA/0.5 phr LUP, Comp_4: PHBV/2.5%MA/0.5 phr LUP/0.5 phr JON, and Comp_5: PHBV/5%MA/1 phr LUP; Tm: melting temperature, Tc: crystallization temperature, ΔHm: enthalpy of fusion, % Xc: percentage crystallinity, T2%: temperature at which mass loss of 2% takes place, Tmax: temperature at which maximum degradation takes place.