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The optimum level of nano-wollastonite consumption in particleboard
KTH, School of Information and Communication Technology (ICT), Materials- and Nano Physics.
2015 (English)In: Journal of Mechanical Engineering Research and Developments, ISSN 1024-1752, Vol. 37, no 1, 11-21 p.Article in journal (Refereed) Published
Abstract [en]

Fire-retarding properties of wollastonite nanofibers in poplar wood (Populus nigra) were studied here. Some physical properties such as water absorption, volumetric swelling and anti-swelling efficiency (ASE) were also measured. Specimens were prepared according to the ISO 11925 specifications for the fire-retarding properties and according to the ASTM D4446-2002 specifications for the physical properties. Impregnation of wood specimens with nanowollastonite was carried out at consumption levels of 4, 6.3, 10 and 12%, using Rueping Method (empty-cell process) and compared with the control specimens. Five fire-retarding properties were measured, including weight loss (%), ignition point (s), fire endurance (s), glow endurance (s) and carbonization area (%). The obtained results indicated that fire-retarding properties were significantly improved in the NW-treated specimens. Furthermore, the NW-impregnated specimens gained higher dimensional stability. However, water absorption increased. Heat-conductivity of wollastonite limited accumulation of heat at one spot, furthermore, it acted as a physical barrier to deter heat and mass transfer between the gas and the condensed phase, consequently, fire-retarding properties were improved.

Place, publisher, year, edition, pages
2015. Vol. 37, no 1, 11-21 p.
Keyword [en]
Anti-swelling efficiency, Fire-retarding properties, Minerals, Nano-wollastonite, Poplar wood, Rueping method, Water absorption, Carbonization, Fires, Forestry, Mass transfer, Physical properties, Silicate minerals, Specifications, Anti-swelling efficiencies, Consumption levels, Heat and mass transfer, Nano wollastonites, Physical barriers, Poplar woods, Volumetric swelling, Flame Retardants, Heat Transfer, Particle Boards, Populus Nigra, Swelling
National Category
Nano Technology
Identifiers
URN: urn:nbn:se:kth:diva-167787Scopus ID: 2-s2.0-84928150363OAI: oai:DiVA.org:kth-167787DiVA: diva2:813674
Note

QC 20150525

Available from: 2015-05-25 Created: 2015-05-22 Last updated: 2016-12-06Bibliographically approved

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CiteExportLink to record
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Citation style
  • apa
  • harvard1
  • ieee
  • modern-language-association-8th-edition
  • vancouver
  • Other style
More styles
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  • de-DE
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Output format
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