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Determination of Physiochemical and Mechanical Properties of Composite Panels Produced from Grewia Mollis Root Fiber/Polyester

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Author Affiliations

  • 1Department of Integrated Science, Umar Suleiman College of Education, P.M.B 02, Gashua, Yobe State, Nigeria
  • 2Department of Chemistry, Modibbo Adama University, P.M.B 2076, Yola Adamawa State, Nigeria
  • 3Department of Chemistry, Gombe state University, P.M.B 127, Tudun Wada, Gombe, Gombe State, Nigeria
  • 4Department of Horticulture Technology, Federal College of Forest Resources Management, P.M.B 1189, Maiduguri, Borno State, Nigeria
  • 5Department of Chemistry, Modibbo Adama University, P.M.B 2076, Yola Adamawa State, Nigeria
  • 6Department of Chemistry, Modibbo Adama University, P.M.B 2076, Yola Adamawa State, Nigeria
  • 7Department of Integrated Science, Umar Suleiman College of Education, P.M.B 02, Gashua, Yobe State, Nigeria
  • 8Department of Chemistry, Modibbo Adama University, P.M.B 2076, Yola Adamawa State, Nigeria

Res.J.chem.sci., Volume 14, Issue (2), Pages 19-24, June,18 (2024)

Abstract

These days, a lot of researchers are working in the field of polymer composites containing natural fibers to develop either fully or partially biodegradable green composite due to increasing concerns about the environment. This study determined the physiochemical and mechanical properties of composite panels produced from Grewia mollis (GM) root fibre/polyester. Experimental research design was adopted for the study. The Grewia mollis root fibre was extracted and chemically processed by retting, scouring, bleaching, and mercerizing respectively. The traditional hand lay-up method was applied in producing the composite panels and their physiochemical and mechanical properties were determined according to ASTM standards. Descriptive statistics of percentage (%) scatter plot and bar charts were used to analyze and present the data. The result revealed that oil absorption increases while water absorption decreases as the concentration of NaOH increases and static with time. This implies that the untreated fibre-reinforced composites absorb more water than oil whereas the treated fibre-reinforced composites absorb more oil than water. The mechanical properties of the treated fibre-reinforced composites were improved significantly as the concentrations of NaOH increases up to a threshold point of 15% before experiencing a decrease from threshold points of 20-25%. This shows that composites treated with 5–15% NaOH gave better improvements than 20–25% and the maximum improvements were found for 15% NaOH. Therefore, on the basis of % NaOH, threshold point of 15% possessed the ideal combination of mechanical qualities. The outcome shown that the treated fiber-reinforced composites might be used as an alternative to other naturally fiber-based products since they offered better physiochemical and mechanical qualities than the untreated fiber-reinforced composites. According to the study, appropriately adjusting these processing parameters may result in a more effective or practical composite panel solution for our home and commercial uses, including the furniture, automobile, and construction industries, among others.

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