Physical and mechanical properties of parallel strand lumber made from hot pre-pressed long strand oil palm trunk waste

2nd International Conference on Biomass: Toward Sustainable Biomass Utilization for Industrial and Energy Applications

生物科学;工业技术;能源学

Fridiyanti, Inayah^1 ; Massijaya, M.Y.^1

Biocomposite Laboratory, Forest Products Department, Faculty of Forestry, Bogor Agricultural University, West-Java, Bogor, Indonesia^1

关键词: isocyanate;    Modulus of rupture;    Oil palm trunk wastes;    Oil palm trunks;    Parallel strand lumbers;    Parallel to the grains;    Physical and mechanical properties;    Urea formaldehyde;   

Others  :  https://iopscience.iop.org/article/10.1088/1755-1315/141/1/012007/pdf
DOI  :  10.1088/1755-1315/141/1/012007

来源: IOP

【 摘 要 】

This research was focused on the utilization of oil palm trunk waste as a Parallel Strand Lumber (PSL) raw material. This research aimed to analyze the effect of adhesive types and glue spreads to the physical and mechanical properties of PSL. The adhesive types used were isocyanate and urea formaldehyde adhesives. The glue spreads used were 150 g/m2and 300 g/m2. The research results showed that the moisture content of PSL ranged from 9.30% to 11.80%. The PSL density ranged from 0.64 to 0.78 g/cm3. The volume shrinkage ranged from 5.69 to 7.17%. Modulus of Elasticity (MOE) parallel to the grain and edge side ranged from 51.6 × 103to 98.3 × 103kg/cm2, and 62.1 × 103to 99.9 × 103kg/cm2, respectively. The Modulus of Rupture (MOR) parallel to the grain and edge side ranged from 269 to 724 kg/cm2and 342 to 728 kg/cm2, respectively. The PSL hardness perpendicular to the grain, parallel to the grain and the edge side ranged from 135 to 300 kg/cm2, 87 to 321 kg/cm2, and 128 to 251 kg/cm2, respectively. The compressive strength ranged from 181 to 231 kg/cm2. The best adhesive and glue spreads of PSL was isocyanate with glue spread 300 g/m2. PSL made from hot pre-pressed long strand of oil palm trunk waste bonded by isocyanate fulfill JAS 1152: 2007. However, those of bonded by urea formaldehyde failed to fulfill the standard. The physical and mechanical properties of PSL made from oil palm trunk were better compared to those of solid oil palm trunk.