Processibility window for some typical commercial biodegradable polymers28a.
| Polymer | Injection molding | Extrusion | Extrusion blow molding | Cast film extrusion | Blow molding | Fiber spinning | Thermoforming |
|---|---|---|---|---|---|---|---|
| PLA | ✓ | ✓ | ✓ | ✓ | ✓ | ✓ | |
| PHB | ✓ | ✓ | ✓ | ✓ | ✓ | ✓ | |
| PHB–PHV | ✓ | ✓ | ✓ | ✓ | ✓ | ✓ | ✓ |
| PBS | ✓ | ✓ | |||||
| PCL | ✓ | ✓ | ✓ | ✓ | ✓ | ✓ | |
| PBST | ✓ | ✓ | ✓ | ✓ | |||
| PBAT | ✓ | ✓ | ✓ | ||||
| PTMAT | ✓ | ✓ | ✓ | ✓ | |||
| PVA | ✓ | ✓ | ✓ | ✓ | ✓ | ||
| PP, PE with additives | ✓ | ✓ | ✓ | ✓ | ✓ | ✓ | ✓ |
| Starch | ✓ | ✓ | ✓ | ✓ | |||
| Starch with PVA | ✓ | ✓ | ✓ | ✓ | ✓ | ||
| Cellulose | ✓ | ✓ | ✓ | ||||
| Starch with cellulose acetate | ✓ | ✓ | ✓ | ✓ | ✓ |
a
Abbreviations: PLA, poly(lactic acid); PHB, polyhydroxybutyrate; PHV, poly(hydroxyl valerate); PBS, poly(butylenes succinate); PCL, poly(ε-caprolactone); PBST, poly(butylene succinate terephthalate); PBAT, poly(butylene adipate terephthalate); PTMAT, poly(tetramethylene adipate terephthalate); PVA, poly(vinyl alcohol); PP, poly(propylene); PE, poly(ethylene); PVA, poly(vinyl alcohol).