Surface modification of aramid fibres by graphene oxide nano-sheets for multiscale polymer composites

Saleem Hussain, Ceyla Yorucu, Iftikhar Ahmed, Rizwan Hussain, Biqiong Chen, M. Bilal Khan, Naveed A. Siddique, Ihtesham Ur Rehman*

*Corresponding author for this work

Research output: Contribution to journalArticle

35 Citations (Scopus)

Abstract

Aramid fibre-graphene oxide (GO) multiscale reinforcement fibres were prepared by a novel technique where a plasma co-polymerized functional primer coating was initially applied on fibres followed by chemically attaching GO unilamellar sheets to the functionalized surface of the fibres. The functionalized fibres were immersed in purified GO aqueous suspensions at 60. °C under two pH conditions (slightly acidic GO suspension at pH. 6 and alkaline ammonia water GO suspension at pH. 9). The multiscale hybrid fibres were characterized by XPS, FTIR, Raman spectroscopy, SEM, AFM and tensile measurements. The fibres treated in alkaline ammonia aqueous suspension showed better strength and adhesion characteristics. The mean tensile strength value for the modified fibres showed an improvement over 7.9% whereas the interfacial shear strength in modified fibre-epoxy model composites, as determined by micro-bond technique, improved by 44.68%.

Original languageEnglish
Pages (from-to)458-466
Number of pages9
JournalSurface and Coatings Technology
Volume258
Early online date27 Aug 2014
DOIs
Publication statusPublished - 15 Nov 2014

Keywords

  • Aramid fibre
  • Graphene oxide
  • Interfacial shear strength
  • Multiscale hybrid fibre
  • Plasma polymerization
  • Surface modification

ASJC Scopus subject areas

  • Chemistry(all)
  • Condensed Matter Physics
  • Surfaces and Interfaces
  • Surfaces, Coatings and Films
  • Materials Chemistry

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