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Research & Development in Material Science

A Study on Application of Polyvinylchloride (PVC) Waste and Sawdust in Wood-Plastic Composite

Submission: April 02, 2021;Published: April 27, 2021

DOI: 10.31031/RDMS.2021.15.000856

ISSN : 2576-8840
Volume15 Issue2


The present study is focused on the possibility of use of PVC wastes and sawdust (dividing cut and edging of MDF panels) in WPC production. Variables included mixing ratio in three levels (45/55, 50/50 and 60/40), as well as press time of 8, 10, 12 minutes. Panels were compressed in a molde and physical and mechanical properties of panels including bending strength, tensile strength, bending and tensile modulus, impact strength and Thickness Swelling (TS) were measured. The results showed that the mechanical properties of panels were significantly higher when the PVC/Sawdust ratio was 50:50. Thicknesses swelling after 24 hours as well as long term holding decreased with the increase in PVC / sawdust ratio. In addition, the physical and mechanical properties of composite have been significantly affected by press time. It was concluded that the panel made of 50% PVC combined with 50% sawdust pressed for 8 minutes exhibited suitable properties for most applications.

Keywords:PVC; Wood-plastic composite; MDF; Press time; Physical and mechanical properties

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