Table 3.
Biopolymer | Source | Properties | Composting Time, Days | Degradation Time, Months |
---|---|---|---|---|
Polylactide (PLA) | Sugar beet, corn starch, sugar cane | Hydrophobic, compatibility with polyesters, low moisture absorption rate, resistance to UV radiation, low thermal stability (60 °C), compostable improves the stiffness of textiles, low crystallization pace, eco-friendly. | 45–60 | 20 |
Polyhidroxyalkanoates (PHA) | Stored in bacterial cells as reserve material | Good mechanical properties, suitable as biomass material, easy to process, tough and durable, UV-resistant, water-resistant, eco-friendly. | - | 12 |
Poly (ε-caprolactan) (PCL) | Petrol | Low UV resistance, low melting temperature (60 °C) high elasticity, eco-friendly. |
6–28 | - |
Thermoplastic starch blends | Potato, corn, wheat, rice, mixing with bio-based polymers (PLA, PCL) | Hydrophobic character, low permeability to water, better mechanical properties, properties dependent on composition, low cost, global accessibility eco-friendly. | 45–56 | - |
Poly(hydroxylbutyrate) (PHB) | Produced and stored by bacteria | Stiff and brittle, high crystallinity, difficult to process, weak impact resistance, can degrade via hydrolysis at high temperatures, low chemical resistance, suitable for modification. | 21–28 | 6–10 |
Poly(butylenesuccinate) (PBS) | Polycondensation reaction of 1, 4-butanediol with succinic acid | Flexible, excellent impact strength, chemical and thermal resistance, composite material, comparable mechanical properties to PE and PP, processing capacity, eco-friendly. | - | - |
Cellulose acetate (CA) | Acetylation from wood pulp by acetic acid or its anhydride to cellulose | Medium mechanical properties, ductile, scratch and scrub resistant, antistatic, good insulation, oil-resistant, high processing efficiency. | - | - |
Viscose (CV) | Wood pulp | Regeneration of cellulose fibres from solutions of derivatives (e.g., viscose, modal fibres) or by regeneration of cellulose fibres from solutions of cellulose (e.g., cuprammonium). | 60 | - |