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The effects of the temperature and screw speed on the film blowing of ploy(lactide-co-trimethylene carbonate).
| Stage I (°C) | Stage II (°C) | Stage III (°C) | Stage IV (°C) | Screw speed (pr/min) | Macroscopic morphology of film |
|---|---|---|---|---|---|
| 100 | 140 | 140 | 130 | 40 | Film with white points |
| 110 | 150 | 150 | 137 | 40 | Smooth film |
| 120 | 160 | 160 | 140 | 40 | Unformed film |
| 110 | 150 | 150 | 137 | 20 | Unformed film |
| 110 | 150 | 150 | 137 | 60 | Porous film |
