Table 2 Mechanical and thermal analysis of PHB films of B.paraconglomeratum
A. | Mechanical Properties | Air-dried PHB Film | Standard PHB |
|---|---|---|---|
1. | Tensile strength (MPa) | 24.2 | 33.5 |
2. | Young’s modulus (MPa) | 1893 | 2100 |
3. | Viscosity (mPa.S ) | 1.0153 | 1.1570 |
4 | Elongation at break % | 7.65% | 8.57% |
B. | Thermal analysis | ||
4. | Melting temperature –Tm (°C) | 177.1 | 180.7 |
5. | Transition temperature -Tg(°C) | 175.7 | 223.1 |
6. | Decomposition temperature –Td(°C) | 283.4 | 290.1 |