The Influence of High-Temperature and -Pressure Treatment on Physical Properties of Albizia falcataria Board

Treza Chandra Julian*, Hiroatsu Fukuda, Didit Novianto

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

6 Citations (Scopus)

Abstract

Albasia (Albizia falcataria), known as sengon wood, is a fast-growing tree species commonly found in Indonesian forests and community plantations. However, the low-density, hardness, and strength significantly restrict its commercial application. The purpose of this study was to determine the influence of densification on the physical properties of Albizia falcataria under high-temperature and-pressure. Different temperatures were applied to the Albizia falcataria board (100 °C, 120 °C, 140 °C, sandwich 140 °C). The densification process influences the density properties, color changes, thickness, compression ratio, equilibrium moisture content, and anatomical properties of the material. With this procedure, the density can be increased to 0.62 kg/L, a gain of approximately 112.78% over untreated wood. The density of wood increases, resulting in the decomposition of its chemical components, especially hemicellulose, which darkens the wood color and stabilizes equilibrium moisture control. As a result, the thermal compression modification treatment under high-temperature and -pressure is a highly effective method for enhancing the physical properties of fast-growing wood species, such as Albizia falcataria.

Original languageEnglish
Article number239
JournalForests
Volume13
Issue number2
DOIs
Publication statusPublished - Feb 2022

Keywords

  • Albizia falcataria
  • Fast-growing
  • High-temperature and -pressure
  • Physical properties
  • Wood densification

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