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Journal of Applied Sciences

Year: 2013 | Volume: 13 | Issue: 7 | Page No.: 994-1003
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Authors

Siti-Noorbaini Sarmin

Wan-Mohd-Nazri Wan-Abd-Rahman

Jamaludin Kasim

Othman Sulaiman

Rokiah Hashim

Hazandy Abdul-Hamid

Keywords

The study was conducted to determine the dimensional stability properties of Laminated Veneer Lumber (LVL) from Oil Palm Trunk (OPT) bonded with three different cold set adhesives namely Emulsion Polymer Isocyanate (EPI) and polyvinyl acetate (PVAc). Three-ply experimental LVL from OPT veneers were bonded using two adhesive spread levels, 250 and 500 g m-2 for single glue line. Laminated veneer lumber from rubberwood was used as control. The dimensional stability properties investigated include dimensional changes associated with changes in relative humidity of 30 to 90%, hysteresis over a range of 30 to 90% and durability against biological attack through soil burial. Amongst the three adhesives, OPT LVL manufactured with EPI (VAc) had the highest Fibre Saturation Point (FSP) and the least was experienced by OPT LVL bonded with PVAc. Totally, the magnitude of hysteresis was below 1.00 which in the average 0.69 to 0.82 for OPT LVL panels while rubberwood LVL, 0.81 to 0.94, respectively. Overall, the dimensional stability properties of LVL from OPT bonded with cold setting adhesives namely EPI (SBR), EPI (VAc) and PVAc were found to be comparable with rubberwood.
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How to cite this article

Siti-Noorbaini Sarmin, Wan-Mohd-Nazri Wan-Abd-Rahman, Jamaludin Kasim, Othman Sulaiman, Rokiah Hashim and Hazandy Abdul-Hamid, 2013. Study on Dimensional Stability Properties of Laminated Veneer Lumber from Oil Palm Trunk Bonded with Different Cold Set Adhesives. Journal of Applied Sciences, 13: 994-1003.

DOI: 10.3923/jas.2013.994.1003

URL: https://scialert.net/abstract/?doi=jas.2013.994.1003

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