Application of alginate-based epoxy microcapsule in self-healing concrete
Danyang Zhao, Jia-ao Hou, Yishuang Zhang, Yu Li, Cheuk Lun Chow, Denvid Lau · Asian Concrete Federation · 2025
A novel alginate-based microcapsule system enables autonomous crack healing in concrete, enhancing durability and structural integrity.
Plain English summary
Why this matters
Key findings
- Developed alginate-based microcapsules for self-healing concrete.
- Microcapsules showed excellent thermal stability and core retention.
- Achieved a compressive strength recovery rate of 145.4% after 7 days.
- Molecular dynamics simulations revealed the crosslinking process.
- Provides a sustainable and cost-effective method to enhance structural durability.
What's new
The use of alginate-based microcapsules for autonomous crack healing in concrete is a new approach that enhances durability without manual intervention.
Limitations
The abstract does not provide details on the long-term performance or scalability of the microcapsule system in real-world applications.
Commercial context
The technology is still in the experimental phase and has not yet been commercialized.
Publication
- Publisher
- Asian Concrete Federation
- Publication date
- December 27, 2025
- Research type
- Paper
- License
- https://creativecommons.org/licenses/by/4.0
Tags
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