A Comparative Study of Modified and Unmodified High-Density Polyethylene/Borassus Fiber Composites

C. Uma Maheswari, K. Obi Reddy, E. Muzenda, M. Shukla, A. Varada Rajulu

Research output: Contribution to journalArticle

16 Citations (Scopus)

Abstract

In this work, composite samples were prepared using Borassus fibers and a high-density polyethylene matrix. Alternatively, a chemically modified matrix (maleic anhydride grafted HDPE) was also used to improve fiber-matrix compatibility. The effect of fiber loading on the mechanical properties was investigated. Borassus fiber/modified HDPE composites exhibited improved mechanical performance as compared to pure HDPE composites. SEM studies on the fractured specimens of unmodified HDPE fiber composites reveal the poor fiber-matrix interaction, whereas the interaction is strong with enhanced mechanical properties for modified HDPE fiber composites. This is due to an improvement of the chemical bonding between the modified HDPE matrix and the Borassus fiber as also supported by Fourier transform infrared spectroscopy results. Thermal stability was also found to be enhanced slightly for modified HDPE composites.

Original languageEnglish
Pages (from-to)439-450
Number of pages12
JournalInternational Journal of Polymer Analysis and Characterization
Volume18
Issue number6
DOIs
Publication statusPublished - Aug 1 2013

Fingerprint

Polyethylene
High density polyethylenes
Fibers
Composite materials
Maleic Anhydrides
Mechanical properties
Maleic anhydride
Fourier transform infrared spectroscopy
Thermodynamic stability
Scanning electron microscopy

All Science Journal Classification (ASJC) codes

  • Analytical Chemistry
  • Chemical Engineering(all)
  • Polymers and Plastics

Cite this

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abstract = "In this work, composite samples were prepared using Borassus fibers and a high-density polyethylene matrix. Alternatively, a chemically modified matrix (maleic anhydride grafted HDPE) was also used to improve fiber-matrix compatibility. The effect of fiber loading on the mechanical properties was investigated. Borassus fiber/modified HDPE composites exhibited improved mechanical performance as compared to pure HDPE composites. SEM studies on the fractured specimens of unmodified HDPE fiber composites reveal the poor fiber-matrix interaction, whereas the interaction is strong with enhanced mechanical properties for modified HDPE fiber composites. This is due to an improvement of the chemical bonding between the modified HDPE matrix and the Borassus fiber as also supported by Fourier transform infrared spectroscopy results. Thermal stability was also found to be enhanced slightly for modified HDPE composites.",
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A Comparative Study of Modified and Unmodified High-Density Polyethylene/Borassus Fiber Composites. / Maheswari, C. Uma; Reddy, K. Obi; Muzenda, E.; Shukla, M.; Rajulu, A. Varada.

In: International Journal of Polymer Analysis and Characterization, Vol. 18, No. 6, 01.08.2013, p. 439-450.

Research output: Contribution to journalArticle

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