Geopolymer bonded wood composite information

Geopolymer bonded wood composite (GWC) are similar and a green alternatives to cement bonded wood composites. These products are composed of geopolymer binder, wood fibers/ wood particles. Depending on the wood and geopolymer ratio in the material, the properties of the wood-geopolymer composite material vary. The main functions of wood in the composite material are weight reduction, reduction of thermal conductivity^[1]^[2] and the fixture function^[3] whereas the main functions of geopolymer are bonding of wood particles, improvement of fire resistance,^[4] providing mechanical strength,^[5] improvement of humidity resistance and protection against fungal and insect damages.^[6]

They serve similar functions and purposes like all other mineral bonded wood composites. The fact that the binder agent (geopolymer) are mostly produced from industrial residue and waste puts these materials at a greater advantage over other mineral bonded wood composites. However, most of the works under this topic remains at the research and development phase. Some of the core difficulties in production and commercialization of standardize product is the variation in the sources of the aluminosilicate binder and the cost involve in activating the binder. Currently, metakaolin binder remains as the one key source to produce or bind these products with huge variations in other sources of the binder such as slag, fly ash etc.^{[citation needed]}

^ Meng Q.K., Hetzer M., De Kee D. (2011). "PLA/clay/wood nanocomposites: nanoclay effects on mechanical and thermal properties". Journal of Composite Materials. 45 (10): 1145–1158. Bibcode:2011JCoMa..45.1145M. doi:10.1177/0021998310381541. S2CID 138809013.{{cite journal}}: CS1 maint: multiple names: authors list (link)
^ Sarmin S. N., Welling J., Krause A. (2014). "Investigating the possibility of geopolymer to produce inorganic-bonded wood for multifunctional construction material – a review". Biorecurces. 9 (4): 7941–7950. doi:10.15376/biores.9.4.Sarmin.{{cite journal}}: CS1 maint: multiple names: authors list (link)
^ Alomayri T., Low I.M. (2013). "Synthesis and characterization of mechanical properties in cotton fiber-reinforced geopolymer composites. Journal of Asian Ceramic Societies". 1: 30–34. doi:10.1016/j.jascer.2013.01.002. {{cite journal}}: Cite journal requires |journal= (help)
^ Davidovits J. (2015). Geopolymer Chemistry and Applications (4th ed.). Quentin France: Galilée: Institut Géopolymère. p. 37.
^ Ryu G.S., Lee Y.B., Koh K.T., Chung Y.S. (2013). "The mechanical properties of fly ash-based geopolymer concrete with alkaline activators". Construction and Building Materials. 47: 409–418. doi:10.1016/j.conbuildmat.2013.05.069.{{cite journal}}: CS1 maint: multiple names: authors list (link)
^ Sarmin S. N., Welling J., Krause A. (2014). "Investigating the possibility of geopolymer to produce inorganic-bonded wood for multifunctional construction material – a review". Biorecurces. 9 (4): 7941–7950. doi:10.15376/biores.9.4.Sarmin.{{cite journal}}: CS1 maint: multiple names: authors list (link)

[1] Meng Q.K., Hetzer M., De Kee D. (2011). "PLA/clay/wood nanocomposites: nanoclay effects on mechanical and thermal properties". Journal of Composite Materials. 45 (10): 1145–1158. Bibcode:2011JCoMa..45.1145M. doi:10.1177/0021998310381541. S2CID 138809013.{{cite journal}}: CS1 maint: multiple names: authors list (link)

[2] Sarmin S. N., Welling J., Krause A. (2014). "Investigating the possibility of geopolymer to produce inorganic-bonded wood for multifunctional construction material – a review". Biorecurces. 9 (4): 7941–7950. doi:10.15376/biores.9.4.Sarmin.{{cite journal}}: CS1 maint: multiple names: authors list (link)

[3] Alomayri T., Low I.M. (2013). "Synthesis and characterization of mechanical properties in cotton fiber-reinforced geopolymer composites. Journal of Asian Ceramic Societies". 1: 30–34. doi:10.1016/j.jascer.2013.01.002. {{cite journal}}: Cite journal requires |journal= (help)

[4] Davidovits J. (2015). Geopolymer Chemistry and Applications (4th ed.). Quentin France: Galilée: Institut Géopolymère. p. 37.

[5] Ryu G.S., Lee Y.B., Koh K.T., Chung Y.S. (2013). "The mechanical properties of fly ash-based geopolymer concrete with alkaline activators". Construction and Building Materials. 47: 409–418. doi:10.1016/j.conbuildmat.2013.05.069.{{cite journal}}: CS1 maint: multiple names: authors list (link)

[6] Sarmin S. N., Welling J., Krause A. (2014). "Investigating the possibility of geopolymer to produce inorganic-bonded wood for multifunctional construction material – a review". Biorecurces. 9 (4): 7941–7950. doi:10.15376/biores.9.4.Sarmin.{{cite journal}}: CS1 maint: multiple names: authors list (link)