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Lignin-Based Nanoparticles: A Review on Their Preparations and Applications
Qianqian Tang1, Yong Qian2, Dongjie Yang2
1College of Chemistry and Chemical Engineering, Henan Key Laboratory of Function-Oriented Porous Materials, Luoyang Normal University, Luoyang 471934, China.
Polymers
|October 29, 2020
Summary
This review explores the transformation of lignin, a pulp and paper byproduct, into uniform nanoparticles. These lignin nanoparticles offer enhanced properties for diverse industrial applications.
Area of Science:
- Biopolymer Science
- Materials Science
- Nanotechnology
Background:
- Lignin is a highly abundant, renewable biopolymer and a major byproduct of the pulp and paper industry.
- Traditional lignin structures are complex and disordered, limiting their direct applications.
- Recent advancements focus on converting lignin into ordered, uniform nanoparticles.
Purpose of the Study:
- To review the preparation techniques for fabricating lignin-based nanoparticles.
- To provide a comprehensive overview of the industrial applications of these nanoparticles.
- To highlight the potential of lignin nanoparticles in various sectors.
Main Methods:
- Introduction of five key technical lignin types from different sources.
- Comprehensive review of recent progress in nanoparticle fabrication techniques.
- Analysis of industrial applications across diverse fields.
Main Results:
- Lignin nanoparticles exhibit controlled structures and sizes.
- These nanoparticles show improved miscibility with polymers and enhanced antioxidant activity.
- Various preparation methods enable tailored lignin nanoparticle properties.
Conclusions:
- Lignin nanoparticles are promising materials derived from an abundant industrial byproduct.
- Their versatile properties facilitate applications in drug delivery, UV absorption, nanocomposites, and more.
- Further research into fabrication and application can unlock lignin's full potential.
