Investigation of Biodegradable Composites with Nanocrystalline Cellulose
Author Information
Author(s): Bazan Patrycja, Rochman Arif, Mroczka Krzysztof, Badura Kamil, Melnychuk Mykola, Nosal Przemysław, Węglowska Aleksandra
Primary Institution: Cracow University of Technology
Hypothesis
Incorporating NCC particles will enhance the mechanical properties, durability, and stability of PLA/PHBV composites.
Conclusion
The study found that adding NCC to PLA/PHBV composites improves stiffness and tensile strength while maintaining biodegradability.
Supporting Evidence
- The density of the composites increased with higher NCC content.
- Water absorption tests showed that composites absorbed more water over time.
- Mechanical testing indicated that stiffness increased with NCC content, but plastic deformation decreased.
- Composites maintained better mechanical properties compared to the pure PLA/PHBV blend after aging tests.
- NCC improved the thermal stability of the composites.
- Hydrolytic degradation tests showed that NCC reduced the impact of aging on the composites.
Takeaway
This study looked at how adding tiny cellulose particles to a biodegradable plastic makes it stronger and better for the environment.
Methodology
The study involved creating PLA/PHBV composites with varying NCC content and testing their mechanical and thermal properties through various standardized methods.
Limitations
The study did not explore the long-term effects of NCC on biodegradability beyond the initial tests.
Digital Object Identifier (DOI)
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