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Lignin nanoparticle-stabilized pickering emulsion: Mechanism, influencing parameter, and emerging application
Mei-Chun Li1, Yaxuan Zhang2, Jinsheng Sun2
1School of Petroleum Engineering, China University of Petroleum (East China), Qingdao, Shandong 266580, China; State Key Laboratory of Deep Oil and Gas, China University of Petroleum (East China), Qingdao 266580, China; Shandong Key Laboratory of Oil and Gas Field Chemistry, China University of Petroleum (East China), Qingdao 266580, China.
Lignin nanoparticles (LNPs) offer a sustainable solution for stabilizing Pickering emulsions. This review highlights their properties and diverse applications in fields like nanocomposites and biomedicine.
Area of Science:
- Materials Science
- Colloid and Surface Chemistry
- Green Chemistry
Background:
- Pickering emulsions, stabilized by solid particles, offer advantages but face sustainability challenges.
- Lignin nanoparticles (LNPs), derived from abundant biopolymers, present a promising eco-friendly alternative.
- LNPs possess desirable properties like nanometer size, large surface area, and biodegradability.
Purpose of the Study:
- To provide a comprehensive overview of recent advances in lignin nanoparticle-stabilized Pickering emulsions.
- To discuss the structure, preparation, safety, and stabilization mechanisms of LNPs.
- To explore the diverse applications and future prospects of LNP-stabilized Pickering emulsions.
Main Methods:
- Review of existing literature on lignin nanoparticles and Pickering emulsions.
- Analysis of LNP properties, preparation methods, and stabilization mechanisms.
- Categorization and discussion of LNP emulsion applications across various fields.
Main Results:
- LNPs effectively stabilize Pickering emulsions due to their favorable physicochemical properties.
- Both unmodified and modified LNPs demonstrate versatility in emulsion stabilization.
- LNP-stabilized Pickering emulsions show significant potential in nanocomposites, catalysis, biomedicine, skincare, and enhanced oil recovery.
Conclusions:
- Lignin nanoparticles are a sustainable and effective stabilizer for Pickering emulsions.
- Further research into LNP-stabilized Pickering emulsions will drive innovation in multiple industrial sectors.
- The biodegradability and abundance of LNPs align with sustainable development goals.
