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Recent Advances in Paper Conservation Using Nanocellulose and Its Composites
Mei Jiang1, Jingjing Yao2, Qiang Guo1
1Institute for Preservation and Conservation of Chinese Ancient Books, Fudan University Library, Fudan University, 220 Handan Road, Shanghai 200433, China.
Molecules (Basel, Switzerland)
|January 25, 2025
Summary
Nanocellulose, including cellulose nanofibril, cellulose nanocrystal, and bacterial nanocellulose, offers advanced, low-intervention solutions for preserving paper cultural heritage. These materials enhance durability and provide multifunctional protection against degradation.
Area of Science:
- Materials Science
- Conservation Science
- Biotechnology
Background:
- Paper-based cultural relics face significant degradation challenges during preservation.
- Developing compatible, low-intervention conservation materials is crucial for extending artifact lifespan.
- Nanocellulose presents promising properties like high compatibility, transparency, and mechanical strength for paper conservation.
Purpose of the Study:
- To systematically review the latest advancements in nanocellulose and its composites for multifunctional paper relic conservation.
- To highlight the application characteristics and future prospects of nanocellulose in preserving paper artifacts.
Main Methods:
- Review of recent scientific literature on nanocellulose applications in paper conservation.
- Analysis of nanocellulose's inherent properties and its interactions with paper fibers.
- Examination of nanocellulose composites and their enhanced functionalities.
Main Results:
- Nanocellulose consolidates paper effectively through hydrogen bonding, eliminating the need for adhesives.
- Nanocellulose composites demonstrate superior performance in deacidification, antimicrobial protection, antioxidation, UV resistance, and flame retardancy.
- Applications extend to improving printing properties and reducing air permeability.
Conclusions:
- Nanocellulose and its composites are highly effective for the multifunctional conservation of paper-based cultural relics.
- The unique properties of nanocellulose enable advanced preservation strategies with minimal intervention.
- Future research should focus on further optimizing nanocellulose composites for diverse conservation needs.
