Physical, mechanical and thermal properties of empty fruit bunches composite boards

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Author: 
Dr. Razak Wahab, Mohd Tamizi Mustafa, Mohd Sukhairi Mat Rasat and Siti Marlia Mohd Don
Subject Area: 
Life Sciences
Abstract: 

The physical, mechanical and thermal properties of composite boards made from empty fruit bunch studied. The oil palm empty fruit bunches (EFB) obtained from a private oil palm plantation. By using fibre cutter and particle crusher, these EFB refined. Hardeners and wax added at 1% and 3% during the mixing process. Boards with densities of 500, 600 and 700 kg/m3 produced using resin urea formaldehyde as the bonding agent at 10, 12 and 14%. The boards conditioned in a conditioning chamber set at 20±2°C and 65% relative humidity before undergoing subsequent testing. The EN Standards specifications applied in the preparation of test samples and testing. Results showed the highest modulus of rupture (MOR) and modulus of elasticity (MOE) achieved in this study were 22.91 N/mm2 and 2059.56 N/mm2. The internal bonding was 0.98 N/mm2, meanwhile for edge and face screw withdrawal, 467.47 N/mm2 and 512.37 N/mm2. Boards with 700 kg/m3 density and 14% resin content met the requirement of standard specifications. The thermogravimetric analysis indicates maximum rate of decomposition for the EFB boards occurred at 380.83°C. This study shows that the board’s density and resin content applied influence on the board's overall properties with boards produced at 700 kg/m3 density with 14% resin content showed excellent overall properties with good dimensional stability.

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Dr.Geetanjali Joshi Mishra
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Saudi Arabia
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