Effect of High Content of Deinking Paper Sludge (DPS) on the Reinforcement of HDPE |
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Authors: | Manel Haddar Ahmed Elloumi Ahmed Koubaa Chedly Bradai Sebastien Migneault Foued Elhalouani |
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Affiliation: | 1.Laboratoire des Systèmes Electro-Mécaniques (LASEM), Unité Physique et Mécaniques des Matériaux (UPMM),Ecole Nationale d’Ingénieurs de Sfax (ENIS),Sfax,Tunisie;2.Laboratoire de biomatériaux,Université du Québec en Abitibi-Témiscamingue (UQAT),Rouyn-Noranda,Canada |
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Abstract: | Deinking paper sludge (DPS)/high density polyethylene (HDPE) composites with and without coupling agent (3 % of maleated polyethylene (MAPE)) were manufactured by twin-screw extrusion followed by injection molding with high percentages of DPS (0, 20, 30 and 40 %). The effects of DPS content and MAPE on the mechanical, thermal, and morphological properties of the DPS/HDPE composites were investigated. Increasing DPS content in composites increased the tensile and flexural modulus (E; MOE), tensile and flexural strength (Rm; MOR), while decreased elongation at break and Un-notched impact resistance due to a poor adhesion between the DPS and HDPE. The addition of DPS also improved the thermal stability and increased the composites crystallinity. High content of DPS (40 %) and 3 % MAPE achieved good interfacial adhesion between fibres of DPS and HDPE. Therefore, an increase is observed for Rm, MOR, ductility, and impact toughness. |
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