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Progress in Toughening and Functionalizing Poly(lactic acid) Composites with Two-Dimensional Layered Nanomaterials
Meifeng Jiang1, Jinchao Qin1, Jiawei Liu1
1School of Materials and Chemistry, University of Shanghai for Science and Technology, Shanghai 200093, China.
ACS Applied Materials & Interfaces
|June 30, 2025
Summary
Two-dimensional (2D) nanomaterials enhance poly(lactic acid) (PLA) composites, improving toughness and adding functionality. This review explores methods and challenges for advanced PLA/2D nanocomposite applications.
Area of Science:
- Materials Science
- Polymer Science
- Nanotechnology
Background:
- Poly(lactic acid) (PLA) is a sustainable bioplastic with environmental advantages.
- PLA's applications are limited by its inherent brittleness and poor toughness.
- Two-dimensional (2D) nanomaterials offer unique properties for reinforcing polymers.
Purpose of the Study:
- To review the use of 2D nanomaterials for toughening and functionalizing PLA.
- To discuss preparation methods, focusing on filler dispersion and interfacial compatibility.
- To highlight multifunctional properties and future research directions for PLA/2D nanocomposites.
Main Methods:
- Surface modification of 2D nanomaterials.
- Intercalation of 2D materials into PLA matrix.
- Composite fabrication and characterization techniques (implied).
Main Results:
- 2D nanomaterials significantly enhance PLA's mechanical properties, particularly toughness.
- Improved thermal resistance, flame retardancy, antibacterial activity, UV shielding, and barrier performance are achieved.
- Surface and intercalation strategies are effective in improving filler dispersion and interfacial adhesion.
Conclusions:
- 2D nanomaterials are effective in overcoming PLA's limitations, creating high-performance nanocomposites.
- Optimizing filler dispersion and interfacial compatibility is crucial for maximizing property enhancement.
- Further research is needed to fully realize the potential of PLA/2D nanocomposites for diverse applications.
