| PHB | Polyhydroxybutyrate |
| NFC | Nanofibrillated cellulose fibers |
| PHB-MP | Polyhydroxybutyrate microparticles |
| PHB-SP | Polyhydroxybutyrate submicron particles |
| DMF | Dimethylformamide |
| THF | Tetrahydrofuran |
| PVA | Polyvinyl alcohol |
| TGA | Thermogravimetric analysis |
| DSC | Differential scanning calorimetry |
| SEM | Scanning electron microscopy |
| FTIR | Fourier transforms infrared spectroscopy |
| AFM | Atomic force microscopy |
| Xc, % | Degree of crystallinity |