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Fire Performance of Ultra-Low Density Fiberboard (ULDF) with Complex Fire-Retardants
College of Material Engineering, Fujian Agriculture and Forestry University.
Luleå University of Technology, Department of Engineering Sciences and Mathematics, Wood Science and Engineering. College of Material Engineering, Fujian Agriculture and Forestry University.
College of Material Engineering, Fujian Agriculture and Forestry University.
College of Material Engineering, Fujian Agriculture and Forestry University.
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Number of Authors: 8
2016 (English)In: BioResources, ISSN 1930-2126, E-ISSN 1930-2126, Vol. 11, no 4, 10261-10272 p.Article in journal (Refereed) Published
Abstract [en]

To clarify how the fire performance of ultra-low density fiberboard (ULDF) can be improved by complex fire-retardants, the limiting oxygen index (LOI) and microstructure of ULDFs with different additive amounts of complex fire-retardants was analyzed. The char yield, chemical bonding, and thermostability of ULDFs treated by different temperatures were also tested. Results showed that the LOI values and compactness of ULDFs were increased with increased amounts of fire-retardants. Three steps of char yield curves in control fiberboard (CF) and mixed fiberboard (MF) were apparent. The preliminary degradation in lignin and cellulose of CF occurred at 300 °C. The cellulose had completely decomposed at 400 °C, but in the case of MF, the lignin and cellulose were not completely decomposed at 400 °C. It was shown that there are different ways to improve the fire resistance of ULDF using boron, nitrogen-phosphorus, silica, and halogen-based fire-retardants. The fiberboard with silicium compounds had the lowest mass loss in three stages and total mass loss. Compared with CF, MF had a lower mass loss. Furthermore, the exothermic peak for MF at around 400.0 °C was decreased, indicating that the fire resistance of ULDF was improved by the complex fire-retardants. 

Place, publisher, year, edition, pages
2016. Vol. 11, no 4, 10261-10272 p.
Keyword [en]
Char yield; Chemical bonding; Fire-retardant; Thermostability; Ultra-low density fiberboard
National Category
Other Mechanical Engineering
Research subject
Wood Science and Engineering
Identifiers
URN: urn:nbn:se:ltu:diva-60839DOI: 10.15376/biores.11.4.10261-10272OAI: oai:DiVA.org:ltu-60839DiVA: diva2:1051048
Note

Validerad; 2016; Nivå 2; 2016-12-01 (rokbeg); OBS

Available from: 2016-11-30 Created: 2016-11-30 Last updated: 2016-12-01Bibliographically approved

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Chen, TingjieWang, Xiaodong (Alice)
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