Journal of Coatings Technology and Research

, Volume 16, Issue 1, pp 31–39 | Cite as

Synthesis of castor oil/2,4-toluene diisocyanate adduct to impart water repellency and antibacterial properties for cotton/polyester fabric

  • H. M. Fahmy
  • A. Amr
  • A. A. AlyEmail author
  • Sh. M. Sayed


A new CAO/TDI adduct was synthesized by reacting 2,4-toluene diisocyanate (TDI) with castor oil (CAO) in a molar ratio of 70%, respectively, at 100°C for 90 min. The chemical structure of the synthesized adduct was confirmed by FTIR analysis. Furthermore, such adduct was emulsified in water using stearic acid/triethanol amine system. Moreover, the emulsion was examined as a water-repellent as well as an antibacterial finish for cotton/polyester fabric. The results indicated that the emulsion treated fabric acquires water repellency, softness, stiffness, and antibacterial properties. In addition, the surface of the aforementioned treated fabric was characterized via scanning electron microscopy.


Castor oil emulsion Polyurethanes Stearic acid Water repellent Antibacterial properties Functional textiles 


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Copyright information

© American Coatings Association 2018

Authors and Affiliations

  • H. M. Fahmy
    • 1
  • A. Amr
    • 1
  • A. A. Aly
    • 1
    Email author
  • Sh. M. Sayed
    • 1
  1. 1.Textile Research DivisionNational Research CenterDokki, GizaEgypt

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