Abstract
In this paper, Okhuen wood sawdust and recycled polyethylene (RLDPE) were blended and then hot-pressed to produce sawdust/recycled polyethylene composite board. The optimum processing parameters for preparing the composite such as temperature, pressing time, sawdust/RLDPE content and pressure were investigated and optimized using L9 (34) Taguchi experimental design orthogonal array. The tensile strength of the various formulations was determined. The results show that those factors made different effects on the tensile strength of the composites. The optimized process conditions obtained are as follows: press time 7 min, press temperature 180°C, saw-dust/RLDPE 60:40%, press pressure 40kg/cm2. The average tensile strength of the optimized composite board was 13.991 MPa. The composite board met the standard for general purpose applications.
Highlights
Particleboard is a panel product manufactured under pressure from particles of wood or other lignocellulosic materials and an adhesive
To achieve robustness the signal- to noise (S/N) ratio for each experiment was computed for tensile strength after fracture for each of the nine trial values
Taguchi experimental design method can be used to analyze the tensile strength of the sawdust/recycled polyethylene composites as described in the paper
Summary
Particleboard is a panel product manufactured under pressure from particles of wood or other lignocellulosic materials and an adhesive. Particleboard has been widely used throughout the world for furniture manufacture and house construction, including flooring systems, etc. The demand for the particleboard has continued to increase for housing construction and furniture manufacturing [2]. M. Obele cations as flooring, wall and ceiling panels, office dividers, bulletin boards, furniture, cabinets, counter tops, and deck tops [2], and it seems that the manufacture of particleboard from recycled wood-based wastes is the most common way to reuse such waste materials [3] [4]. An extensive review on the hot-compression of plywood and particleboard was published by Bolton and Humphrey [4]. A need for the development of a comprehensive hot-compression model was recognized
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