Improving the properties of kenaf reinforced polypropylene composite by alkaline treatment

Nurain, Mohd Salehudiin and Nurjannah, Salim and Rasidi, Roslan and Nurul Huda, Abu Bakar and Siti Noorbain, Sarmin (2023) Improving the properties of kenaf reinforced polypropylene composite by alkaline treatment. Materials Today: Proceedings, 75. pp. 156-162. ISSN 2214-7853. (Published)

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Abstract

Natural fibre composites are widely utilized to make composite materials like textiles, furniture, cars, and buildings. This is due to the material's qualities, which include lightweight, high strength, and low density. Considering that it can grow in a variety of climates, kenaf fibre is one of the natural fibres that can be used in composite materials. However, the high hydrophilic behavior of kenaf fibre presents a challenge. Consequently, alkaline treatment was used to enhance the kenaf-reinforced polypropylene composite's characteristics. Both extrusion and injection molding were used to produce the composite. A composite without the alkaline treatment was also produced so that the outcomes could be compared. The proportion of used kenaf fibres to polypropylene was 170:30. (g). Thermal analysis, melt flow index (MFI), and water absorption testing was conducted on the composite material. Tensile, flexural, and impact testing were then used to determine the mechanical characteristics of the composite. Scanning Electron Microscope (SEM) and Fourier-Transform Infrared Spectroscopy (FTIR) were used to evaluate the composite. The treated sample's tensile strength was determined to be 0.003 MPa, while the untreated sample's value was 0.002 MPa. Flexural strength increased between the treated sample (6545.49 MPa) and the untreated sample (6405.56 MPa). The treated sample's impact strength was 59.26 J/m as compared to 48.97 J/m for the untreated sample. The results of every test conducted so far have demonstrated that the alkaline-treated composite has better physical and mechanical properties than the untreated.

Item Type:	Article
Additional Information:	Indexed by Scopus
Uncontrolled Keywords:	Alkaline treatment; Composite; Kenaf; Polypropylene
Subjects:	H Social Sciences > HD Industries. Land use. Labor Q Science > Q Science (General) T Technology > T Technology (General)
Faculty/Division:	Faculty of Industrial Sciences And Technology Institute of Postgraduate Studies
Depositing User:	Mr Muhamad Firdaus Janih@Jaini
Date Deposited:	30 Apr 2024 06:22
Last Modified:	30 Apr 2024 06:22
URI:	http://umpir.ump.edu.my/id/eprint/40461
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