Effect of the Addition of Waxes to Wood-Polymer Composite

Three waxes (Paraffin, Japan wax, and polyethylene glycol of molecular weight 1000–PEG-1000) were mixed in concentrations up to 40 percent by weight in styrene and methyl methacrylate (MMA) monomers to make wood-polymer composites. The effect of wax on water and water vapor resistance, dimensional stability, hardness, and resistance to abrasion of these composites was determined. Surface application of the three waxes was similarly examined. Surface waxing of paraffin on wood-polystyrene was superior to all other wax-monomer combinations; water and water vapor resistance was better, whereas dimensional stability and mechanical properties were unchanged.

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