Microwave plasma induced grafting of oleic acid on cotton fabric surfaces

Luis Cabrales, Noureddine Abidi

Research output: Contribution to journalArticlepeer-review

22 Scopus citations


Cotton fabric surface was successfully functionalized with microwave plasma (2.45 GHz, 500 W) to impart water repellency. The hydrophobic agent used was oleic acid (CH 3 (CH 2 ) 7 CHCH(CH 2 ) 7 COOH), a fatty acid derived from various plant seed oils. Non-polymerizing gas (Argon) was used to create the plasma. The exposure of the cellulose to Ar-plasma generated radicals, which were subsequently used to initiate co-polymerization reactions with oleic acid. The FTIR spectra showed the presence of additional vibrations located at 2918, 2849, and 1707 cm -1 in the functionalized samples. Dynamic contact angle measurements were performed to assess the hydrophobic properties of the functionalized cotton fabric. The grafted cotton fabric showed excellent water repellency. In addition, the use of plant-derived monomers and biopolymers provides a different approach to use renewable resources to create functionalized biopolymeric substrates.

Original languageEnglish
Pages (from-to)4636-4641
Number of pages6
JournalApplied Surface Science
Issue number10
StatePublished - Mar 1 2012


  • Contact angle
  • Cotton fabric
  • FTIR
  • Fatty acids
  • Hydrophobic
  • Oleic acid
  • Plasma
  • Surface functionalization


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