Density profile of alkaline-treated and densified 3-layered Paraserianthes falcataria composites

V Raman and Liew, Kang Chiang (2022) Density profile of alkaline-treated and densified 3-layered Paraserianthes falcataria composites. In: IOP Conference Series: Earth and Environmental Science, 14 - 15 December 2021, Online platform.

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Wood densification is one of the wood modification methods that had been invented in the 1900s. However, this method was discontinued due to lack of knowledge to completely understand the process. Findings indicated that the procedure of wood densification had been remediated in recent years due to increase competition in construction materials and the needs of quality structural materials. In this study, low-density plantation timber, Paraserianthes falcataria was pretreated with alkaline before undergoing densification process. The aim of this paper was to determine the density profile of the treated and untreated densified 3-layered P. falcataria composites. Alkaline pretreatment using NaOH was done according to soda pulping method to remove partially lignin from the timber used. Wood densification was done according to hot-pressing mathematical modelled by previous researchers, to enhance the properties of timber, such as density, by compressing the timber cell wall structure to eliminate voids between walls. In this study, 3%, 6% and 9% NaOH were used with 0% NaOH as control and the results for density profile showed that densified composites treated with 6% NaOH has the highest density profile, while densified composites treated with 0% NaOH (control) has the lowest density profile.

Item Type: Conference or Workshop Item (Paper)
Keyword: Densification , Alkaline pretreatment , Low-density timber , Density profile , Paraserianthes falcataria
Subjects: S Agriculture > SD Forestry > SD1-669.5 Forestry
T Technology > TS Manufactures > TS1-2301 Manufactures > TS800-937 Wood technology. Lumber
Department: FACULTY > Faculty of Tropical Forestry
Depositing User: SAFRUDIN BIN DARUN -
Date Deposited: 27 Sep 2022 12:19
Last Modified: 27 Sep 2022 12:19

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