Influence of carbon nanotube (CNT) on the mechanical properties of LLDPE/CNT nanocomposite fibers

Khaled Mezghani, Mohammed Farooqui, Sarfaraz Furquan, Muataz Atieh

Research output: Contribution to journalArticle

20 Citations (Scopus)

Abstract

The present study shows the effect of adding CNT to linear low-density polyethylene (LLDPE) to produce LLDPE/CNT nanocomposite fibers. The LLDPE/CNT fibers were produced by melt extrusion process using a twin-screw extruder, in a controlled temperature from 160 °C to 275 °C. Further, melt extrusion process was followed by drawing of fibers at the room temperature. Three different weight percentages, 0.08, 0.3 and 1 wt.% of CNT were studied for producing nanocomposite fibers. The addition of 1 wt.% CNT in the LLDPE fiber has increased the tensile strength by 38% (350 MPa). The addition of 0.08 and 0.3 wt.% CNT in the fiber matrix has improved the ductility by 87% and 122%, respectively. Similarly, improvement in the toughness was observed by 63% and 105% for LLDPE fibers with 0.08 wt.% and 0.3 wt.% CNT respectively. The increase in the mechanical properties of the composite fibers was attributed to the alignment and distribution of CNT in the LLDPE matrix. The dispersion of CNT in the polymeric matrix has been revealed by SEM. The study shows that the small addition of CNT when properly mixed and aligned will increase the mechanical properties of pristine polymer fibers.

Original languageEnglish
Pages (from-to)3633-3635
Number of pages3
JournalMaterials Letters
Volume65
Issue number23-24
DOIs
Publication statusPublished - Dec 2011
Externally publishedYes

Fingerprint

Carbon Nanotubes
Linear low density polyethylenes
polyethylenes
Carbon nanotubes
Nanocomposites
nanocomposites
carbon nanotubes
mechanical properties
Mechanical properties
fibers
Fibers
Extrusion
matrices
fiber composites
screws
Extruders
toughness
ductility
tensile strength
Toughness

Keywords

  • Carbon nanotubes
  • Fiber technology
  • Nanocomposites
  • Polymeric composites

ASJC Scopus subject areas

  • Materials Science(all)
  • Condensed Matter Physics
  • Mechanical Engineering
  • Mechanics of Materials

Cite this

Influence of carbon nanotube (CNT) on the mechanical properties of LLDPE/CNT nanocomposite fibers. / Mezghani, Khaled; Farooqui, Mohammed; Furquan, Sarfaraz; Atieh, Muataz.

In: Materials Letters, Vol. 65, No. 23-24, 12.2011, p. 3633-3635.

Research output: Contribution to journalArticle

Mezghani, Khaled ; Farooqui, Mohammed ; Furquan, Sarfaraz ; Atieh, Muataz. / Influence of carbon nanotube (CNT) on the mechanical properties of LLDPE/CNT nanocomposite fibers. In: Materials Letters. 2011 ; Vol. 65, No. 23-24. pp. 3633-3635.
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