The optimization of Bamboo Sawdust and Plastic Composite in the Polystyrene-Based Resin (PBR) Matrix for Laminate Plate Production
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Abstract
Bamboo sawdust is generally reinforced in composite materials to apply laminated sheets. This research aims to synthesize laminated sheets with a mixture of bamboo sawdust and plastic using polystyrene as a matrix. In preparation, the weight proportion of bamboo sawdust was adjusted in the polystyrene solution as a matrix from the chemical recycling process that dissolved in organic solvents together with the mechanical process in solvent stirring. Next, the hydraulic compression machine formed laminate plates by the cold pressing technique. The plates were examined for the physical properties following ASTM Standards including thickness, moisture content (%), water absorption (%), and water contact angle test, respectively. The results showed the ratio of bamboo sawdust to polystyrene was 16:20 %wt due to the %moisture, %absorption, and the average angle indicated that the laminate sheets have hydrophobic properties which demonstrate the effective water-repellent capabilities.
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