Waste‐derived low‐cost mycelium composite construction materials with improved fire safety

Jones, M, Bhat, T, Huynh, T, Kandare, E, Yuen, R, Wang, C and John, S 2018, 'Waste‐derived low‐cost mycelium composite construction materials with improved fire safety', Fire and Materials, vol. 42, no. 7, pp. 816-825.

Document type: Journal Article
Collection: Journal Articles

Title Waste‐derived low‐cost mycelium composite construction materials with improved fire safety
Author(s) Jones, M
Bhat, T
Huynh, T
Kandare, E
Yuen, R
Wang, C
John, S
Year 2018
Journal name Fire and Materials
Volume number 42
Issue number 7
Start page 816
End page 825
Total pages 10
Publisher John Wiley and Sons
Abstract Mycelial growth attracts academic and commercial interest because of its ability to upcycle agricultural and industrial wastes into economical and environmentally sustainable composite materials using a natural, low-energy manufacturing process able to sequester carbon. This study aims to characterise the effect of varying ratios of high silica agricultural and industrial wastes on the flammability of mycelium composites, relative to typical synthetic construction materials. The results reveal that mycelium composites are safer than the traditional construction materials considered, producing much lower average and peak heat release rates and longer time to flashover. They also release significantly less smoke and CO2, although CO production fluctuated. Rice hulls yielded significant char and silica ash which improved fire performance, but composites containing glass fines exhibited the best fire performance because of their significantly higher silica concentrations and low combustible material content. Higher concentrations of glass fines increased volume-specific cost but reduced mass-specific and density-specific costs. The findings of this study show that mycelium composites are a very economical alternative to highly flammable petroleum-derived and natural gas-derived synthetic polymers and engineered woods for applications including insulation, furniture, and panelling.
Subject Composite and Hybrid Materials
Keyword(s) composite
fire safety
waste utilisation
DOI - identifier 10.1002/fam.2637
Copyright notice Copyright © 2018 John Wiley & Sons, Ltd
ISSN 0308-0501
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