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Recent Progress on Nanocellulose Aerogels: Preparation, Modification, Composite Fabrication, Applications
Yiming Chen1, Lin Zhang2, Yang Yang3
1Co-Innovation Center of Efficient Processing and Utilization of Forest Resources, College of Materials Science and Engineering, Nanjing Forestry University, Nanjing, 210037, China.
Advanced Materials (Deerfield Beach, Fla.)
|February 4, 2021
Summary
Nanocellulose aerogels offer a sustainable alternative to petroleum-based polymers, addressing resource shortages and pollution. These advanced materials show great promise for diverse applications due to their high porosity and cellulose properties.
Area of Science:
- Materials Science
- Sustainable Chemistry
- Nanotechnology
Background:
- Petroleum-based polymers cause resource depletion and environmental pollution.
- Biobased materials offer sustainable alternatives for advanced applications.
- Nanocellulose aerogels represent a third-generation aerogel technology.
Purpose of the Study:
- To summarize preparation, modification, and fabrication methods for nanocellulose aerogels.
- To review the diverse applications of nanocellulose aerogels.
- To discuss future prospects and challenges in nanocellulose aerogel development.
Main Methods:
- Review of literature on nanocellulose aerogel preparation.
- Analysis of modification strategies for enhanced properties.
- Compilation of composite fabrication techniques.
- Survey of applications in adsorption, separation, energy storage, insulation, EMI shielding, and biomedicine.
Main Results:
- Nanocellulose aerogels combine high porosity and large specific surface area with cellulose's inherent properties.
- These aerogels are versatile platforms for numerous functional applications.
- Current research focuses on diverse preparation and modification techniques.
Conclusions:
- Nanocellulose aerogels are a promising sustainable material derived from abundant cellulose.
- Their unique properties enable a wide array of applications across multiple scientific and industrial fields.
- Further research is needed to overcome challenges and fully realize their potential.
