Manufacture and properties of oil palm frond cement-bonded board |
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| Authors: | Dede Hermawan Bambang Subiyanto Shuichi Kawai |
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| Institution: | (1) Wood Research Institute, Kyoto University, Uji, 611-0011 Kyoto, Japan;(2) R&D Center for Applied Physics, Indonesia Institute of Sciences, PUSPITEK, Serpong-Tangerang, 15310, Indonesia |
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| Abstract: | This study was designed to reveal the role of the cement/wood ratio in a hydration test of wood-cement mixtures. The compatibility of oil palm (Elaeis guineensis Jacq) fronds-cement mixtures was tested in the hydration test, with the addition of magnesium chloride as an accelerator at different water/cement ratios. To prove the findings on the hydration behavior of components, the cement-bonded boards were manufactured using a conventional cold-pressing method at different cement/wood ratios. Results indicated that the optimum weight ration of cement/wood increased with decreasing wood powder size based on the equal specific surface area ratio of cement/wood in the hydration test and board manufacturing. The addition of magnesium chloride improved the compatibility of oil palm fronds with cement; the compatibility factor (C
A) increased by more than 90% with the addition of 5% magnesium chloride. TheC
A factor increased proportionally with a higher magnesium chloride content and a higher water/ cement ratio. The addition of magnesium chloride also enhanced the cement hydration and ultimate board strength properties. However, the addition of 5% magnesium chloride did not improve the properties of boards sufficiently at a cement/wood ratio of 2.2 1.0. |
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| Keywords: | Cement-bonded particleboard Oil palm fronds Accelerator |
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