Cited by 71Natural Fiber Reinforced CompositesDyeing and Modifying Textile FibersInnovative concrete reinforcement materials

Effect of alkali and enzymatic treatments of banana fibre on properties of banana/polypropylene composites

Vishnu Vardhini, KJ, Murugan, R, Surjit, R·2018·Journal of Industrial Textiles

Abstract

Banana fibres are among the natural fibres obtained from the waste pseudostem of the banana plant, which can be used as reinforcement in the manufacture of thermoplastic composites due to its high specific strength compared to that of glass fibres and are sustainable alternatives. To improve the adhesion of natural fibres with the matrix material, the surface is usually modified using alkali. Surface modifications can also be done through eco-friendly enzymatic treatments. In this work, banana fibres were treated with alkali, laccase and xylanase enzymes at various treatment concentrations separately to modify the surface. Banana/polypropylene needle punched nonwovens were produced from each of these treated fibres and polypropylene fibres separately. Banana/polypropylene composites have been produced from these nonwovens using compression moulding technique and properties such as volume fractions, hardness, tensile strength, scanning electron microscope analysis, flexural strength and impact resistance were determined for all the composite samples. The densities and the void contents of these developed composites ranged between the range of 1.038–1.043 and 2.2% to 3.6%, respectively. The various treatments have increased the hardness by 8–21%, tensile strength by 24–69% with the highest for 20% xylanase enzyme treatment. The scanning electron microscope analysis of the tensile test samples also aids the tensile test results. The 100% polypropylene had a flexural strength of 25.43 MPa and that for banana fibre reinforced composites the improvements was in the range of 42 to 80%. Impact strength also showed similar trend as tensile with a highest impact strength of 120% for 20% xylanase enzyme treatment.

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Crossref · 10.1177/1528083717714479

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Authors
Vishnu Vardhini, K., Murugan, R., & Surjit, R.
Affiliations
  • Department of Textile Technology, PSG College of Technology, India
  • PSG College of Technology (IN)
Venue
Journal of Industrial Textiles
Published
2017-06-14
Volume
47
Issue
7
Pages
1849-1864
ISSN
  • 0093-4658 (ISSN-L)
  • 1528-0837
  • 1530-8057
OpenAlex
W2626610003
Cited by
71
References
33
Citations by year
2026: 7 · 2025: 12 · 2024: 15 · 2023: 7 · 2022: 10 · 2021: 10 · 2020: 7 · 2019: 1 · 2018: 2
FWCI
1.56
Type
journal article
Language
en
Open access
closed
Locations
Journal of Industrial Textiles (publishedVersion)
Topics
  • Physical Sciences › Materials Science › Polymers and Plastics › Natural Fiber Reinforced Composites
  • Physical Sciences › Engineering › Building and Construction › Dyeing and Modifying Textile Fibers
  • Physical Sciences › Engineering › Civil and Structural Engineering › Innovative concrete reinforcement materials
Keywords
banana fiber, polypropylene composites, natural fiber reinforcement, alkali treatment, laccase, xylanase, needle-punched nonwovens, fiber-matrix adhesion, tensile strength, flexural strength, impact resistance, hardness, sustainable composites

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