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Plant-Based Biofillers for Polymer Composites: Characterization, Surface Modification, and Application Potential.
1Faculty of Chemistry, Institute of Polymer and Dye Technology, Lodz University of Technology, Stefanowskiego 16, 90-537 Lodz, Poland.
Polymers
|September 13, 2025
Summary
Plant-based biofillers offer dual environmental and material benefits for sustainable polymer composites. This review highlights their role in waste valorization and outlines strategies for improving scalability and processing efficiency in green composite development.
Area of Science:
- Materials Science
- Polymer Science
- Sustainable Engineering
Background:
- Growing plastic waste necessitates sustainable material alternatives.
- Plant-based biofillers offer a promising eco-friendly solution for polymer composites.
- Valorization of agricultural waste streams is key to circular material design.
Purpose of the Study:
- To review recent advancements (2020-2025) in plant-based biofillers for polymer composites.
- To focus on surface modification, characterization, and industrial applications.
- To identify research gaps and propose strategies for biofiller scalability and processing.
Main Methods:
- Comprehensive literature review of recent progress (2020-2025).
- Analysis of surface modification techniques for biofillers.
- Examination of physicochemical characterization methods and industrial applications.
Main Results:
- Plant-derived fillers provide both environmental and material advantages.
- Extraction and functionalization of lignocellulosic fillers from agricultural waste are crucial.
- Biofiller modification tailors properties for specific biocomposite needs.
Conclusions:
- Plant biofillers are vital for reducing reliance on non-renewable fillers.
- Future research should focus on scaling up biofiller use and enhancing composite durability.
- Plant biofillers are central to developing next-generation green composites.

