Recently, in line with rising environmental concerns, researchers are now replacing synthetic fibres with natural ones as the main component in composites. Natural fibres are preferred  to synthetic fibres because of several advantages such as biodegradable, light weight, low cost and good mechanical properties. Roselle is one of the plants found to be suitable to be used to produce natural fibres. In this work, we analysed the physical, thermal and mechanical characteristics of roselle fibre. Roselle fibre has good physical properties which lead to the dimensional stability of the composite product. The result obtained indicated that the moisture content of roselle fibre is 10.9%, while water absorption is 286.5%. Thermal gravimetric analysis (TGA) was conducted to understand the thermal stability of roselle fibre at high temperature. The results show that the initial degradation of roselle fibre starts at 225 °C and completes the decomposition of the lignocellulosic component at 400 °C. A tensile test was conducted to investigate the mechanical properties of roselle fibre. The tensile strength of roselle fibre is 130-562 MPa. On the basis of the properties of roselle fibres obtained, we concluded that roselle fibre is one of the good natural fibres that can be used as reinforced material for the manufacturing of polymer composites for different applications, while at the same time saving the cost required to manage the agro waste.

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Material Characterization of Roselle Fibre (Hibiscus sabdariffa L.) as Potential Reinforcement Material for Polymer Composites

Research and development

Authors:

  • Nadlene R.
    Department of Mechanical and Manufacturing Engineering, Universiti Putra Malaysia, UPM Serdan, Malaysia
  • Nadlene R.
    Department of Material and Structure, UniversitiTeknikal Malaysia Melaka, Durian Tunggal, Malaysia
  • Sapuan S. M.
    Department of Aerospace Engineering, Universiti Putra Malaysia, UPM Serdang, Malaysia
  • Sapuan S. M.
    Laboratory of Biocomposite Technology, Institute of Tropical Forestry and Forest Products, Universiti Putra Malaysia, Serdang, Malaysia
  • Jawaid M. (j/w)
  • Ishak M. R.
    Department of Aerospace Engineering, Universiti Putra Malaysia, UPM Serdang, Malaysia
  • Ishak M. R.
    Laboratory of Biocomposite Technology, Institute of Tropical Forestry and Forest Products (INTROP), Universiti Putra Malaysia, UPM Serdan, Malaysia
  • Ishak M. R.
    Aerospace Manufacturing Research Centre, Universiti Putra Malaysia, UPM Serdang, Malaysia
  • Yusriah L.
    Section of Polymer Engineering Technology, Institute of Chemical & Bioengineering Technology (UniKL-MICET), Universiti Kuala Lumpur-Malaysian, Alor Gajah, Malaysia

Nr DOI: 10.5604/12303666.1167413

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Abstract:

Recently, in line with rising environmental concerns, researchers are now replacing synthetic fibres with natural ones as the main component in composites. Natural fibres are preferred  to synthetic fibres because of several advantages such as biodegradable, light weight, low cost and good mechanical properties. Roselle is one of the plants found to be suitable to be used to produce natural fibres. In this work, we analysed the physical, thermal and mechanical characteristics of roselle fibre. Roselle fibre has good physical properties which lead to the dimensional stability of the composite product. The result obtained indicated that the moisture content of roselle fibre is 10.9%, while water absorption is 286.5%. Thermal gravimetric analysis (TGA) was conducted to understand the thermal stability of roselle fibre at high temperature. The results show that the initial degradation of roselle fibre starts at 225 °C and completes the decomposition of the lignocellulosic component at 400 °C. A tensile test was conducted to investigate the mechanical properties of roselle fibre. The tensile strength of roselle fibre is 130-562 MPa. On the basis of the properties of roselle fibres obtained, we concluded that roselle fibre is one of the good natural fibres that can be used as reinforced material for the manufacturing of polymer composites for different applications, while at the same time saving the cost required to manage the agro waste.

Tags:

Roselle fibre, physical properties, thermal properties, tensile test, mechanical properties.

Citation:

Nadlene R, Sapuan SM, Jawaid M, Ishak MR, Yusriah L. Material Characterization of Roselle Fibre (Hibiscus sabdariffa L.) as Potential Reinforcement Material  for Polymer Composites. FIBRES & TEXTILES in Eastern Europe  2015; 23, 6(114): 23-30. DOI: 10.5604/12303666.1167413

Published in issue no 6 (114) / 2015, pages 23–30.

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