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Bioinspired Struvite Mineralization for Fire-Resistant Wood.
Huizhang Guo, Mirko Luković, Miller Mendoza
1Swiss Light Source , Paul Scherrer Institute , 5232 Villigen , Switzerland.
ACS Applied Materials & Interfaces
|January 10, 2019
Summary
This study enhances wood material flame retardancy using bioinspired mineralization. Struvite formation improves fire resistance, reducing heat release and smoke for safer, high-performance wood products.
Area of Science:
- Materials Science
- Biomaterials Engineering
- Wood Science
Background:
- Renewable wood materials offer excellent properties but suffer from poor flame retardancy.
- Developing eco-friendly methods to improve wood's fire resistance is crucial for high-performance applications.
Purpose of the Study:
- To enhance the flame retardancy of wood materials using a bioinspired mineralization technique.
- To investigate the mechanism of flame retardancy imparted by in-situ synthesized struvite.
Main Methods:
- Bioinspired mineralization of hierarchical wood structures using ions.
- In-situ synthesis of struvite via ammonium steam fumigation.
- Characterization of flame retardant properties, heat release rate, and smoke production.
Main Results:
- Successful infiltration and in-situ synthesis of struvite within wood scaffolds.
- Mineralized wood exhibited significantly improved flame retardancy, resisting ignition.
- Reduced heat release rate and suppressed smoke production were observed in treated wood.
Conclusions:
- The bioinspired mineralization approach effectively enhances wood flame retardancy.
- Struvite formation acts as an effective flame retardant, promoting char formation and reducing combustion byproducts.
- This eco-friendly method offers a promising route to high-performance, fire-resistant wood materials.
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