2. Dynamic Mechanical Properties of PHB, PHB-co-HHx, Terratek Resins, and Blends.
| sample | Tg,impact modifier (°C) | Tg,impact modifier (°C) | Tg,PHA (°C) | Tg,PHA (°C) |
|---|---|---|---|---|
| PHB | 10.8 | 20.8 | ||
| PHB-co-HHx | 7.2 | 14.6 | ||
| 10F-PHB-co-HHx | –27.6 | –20.9 | 0.6 | 9.7 |
| 20F-PHB-co-HHx | –28.9 | –20.7 | –2.4 | 5.1 |
| 30F-PHB-co-HHx | –30.0 | –22.8 | –6.3 | 1.5 |
| 10G-PHB-co-HHx | –36.5 | –30.1 | 2.6 | 12.6 |
| 20G-PHB-co-HHx | –35.4 | –28.2 | 1.0 | 11.2 |
| 30G-PHB-co-HHx | –34.9 | –27.9 | –0.8 | 8.4 |
| 10F-PHB | –28.6 | –19.8 | 6.2 | 16.9 |
| 20F-PHB | –30.6 | –22.0 | 0.1 | 12.8 |
| 30F-PHB | –28.8 | –22.5 | –2.5 | 6.9 |
| 10G-PHB | –30.3 | –21.9 | 8.0 | 18.9 |
| 20G-PHB | –32.8 | –24.2 | 6.7 | 16.1 |
| 30G-PHB | –32.2 | –24.5 | 3.5 | 16.0 |
| Terratek FX1515 | –50.0 | –36.9 | ||
| Terratek GDH-B1FA | –47.8 | –30.0 |
a
Obtained from the storage modulus onset.
b
Obtained from the peak of loss modulus.