Abstract
The objective of this research was to evaluate the effect of wood shaving added to improve the mechanical properties of particleboard. Wood types were using in this research included of Meranti, Cempedak, Mahagony, and Durian wood. Ratio of Sorghum bagasse and wood shaving was 50/50 (%w/w). Amount of 10% urea formaldehyde (UF) resin used for binding in the manufacturing process. Furthermore, hot pressing of mat at 130°C temperature for 10 minute and 30 kg cm-2 pressure. The final step was conditioning process for 7 days at room temperature before testing of sample. The results showed that the thickness swelling (TS) parameter did not met of JIS A 5908 (2003). Overall the present of wood shaving resulted in decreasing of TS value. Combination of Cempedak and Mahagony wood resulted of the lower TS value compared with control and other treatment. For bending properties, combination of sorghum bagasse and Cempedak wood shaving resulted the best of bending properties. However for the MOE parameter had not met JIS A 5908 (2003). The internal bond (IB) parameter showed that the utilization of wood shaving to produce of particleboard caused of increasing the IB value. The IB value was resulting from this research had met of JIS A 5908 (2003).
Highlights
Sorghum bagasse as an agriculture material waste had bulky characteristic, bark part of Sorghum bagasse is smooth relatively has hydrophobic which can disrupt the adhesive penetration into particles and weaken the particle bonding
The physical properties of particleboard that were evaluated such as density, moisture content (MC), water absorption (WA), and thickness swelling (TS)
Statistical analysis showed that all type of board in this experiment significantly affected the modulus of elasticity (MOE) parameters, it did not significantly affected of modulus of rupture (MOR)
Summary
Sorghum bagasse as an agriculture material waste had bulky characteristic, bark part of Sorghum bagasse is smooth relatively has hydrophobic which can disrupt the adhesive penetration into particles and weaken the particle bonding. This material will result the low properties of particleboard when using as raw material in the manufacturing of board. Iswanto et al (2012) reported the effect of wood particle and Jatropha fruit hulls combination to improve of strength properties of board. Wood shaving added in manufacture of Jatropha fruit hulls particleboard resulted of improvement the strength properties (Iswanto et al 2014). The objective of this research was to evaluate the physical and mechanical properties of particleboard made from combination of sorghum bagasse and wood shaving
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