Table 5. Comparison of the Degrees of Crystallinity of PBS in the PBS/PLA Filaments Extruded by a Single-Screw Extruder and Those in the Bars Printed by FDM.
| material | sample | Tg (°C) | TC (°C) | Tm (°C) | ΔH (J g–1) | XC,PBS (%) |
|---|---|---|---|---|---|---|
| PBS100 | filament | 65.7 | 114.8 | 52.74 | 47.82 | |
| FDM | 78.0 | 113.2 | 58.07 | 52.65 | ||
| PBS80/PLA20 | filament | 51.2 | 75.6 | 112.9 | 41.08 | 37.24 |
| FDM | 53.7 | 78.0 | 112.0 | 49.9 | 45.24 | |
| PBS60/PLA40 | filament | 51.0 | 77.9 | 112.7 | 31.32 | 28.40 |
| FDM | 53.1 | 75.0 | 112.2 | 35.22 | 31.93 | |
| PBS40/PLA60 | filament | 52.3 | 80.0 | 112.4 | 26.03 | 23.60 |
| FDM | 55.0 | 72.2 | 112.7 | 25.24 | 22.88 | |
| PBS20/PLA80 | filament | 52.3 | 111.6 | 11.15 | 10.11 | |
| FDM | 54.6 | 111.7 | 11.68 | 10.59 |