Russian Journal of Physical Chemistry B

, Volume 11, Issue 7, pp 1078–1088 | Cite as

Treatment of Cotton Fabrics by Ammonium Palmitate in a Supercritical CO2 Medium

  • A. A. Zakharov
  • Ameer Abed Jaddoa
  • T. R. Bilalov
  • F. M. Gumerov


Experimental results on the solubility of ammonium palmitate as a potential fabric water-repellent agent in supercritical carbon dioxide (SC-CO2)—pure and modified with acetone and dimethyl sulfoxide—are presented. The measurements are performed at temperatures 318.2 and 328.2 K in the pressure range from 10.0 to 32.5 MPa in a dynamic regime. The experimental solubility data are described using the Peng–Robinson equation of state. The results of treatment of various types of cotton fabrics by ammonium palmitate in SC-CO2 are presented. The contact (wetting) angle of the treated samples is determined and the increase in their hydrophobicity is demonstrated.


ammonium palmitate supercritical carbon dioxide solubility cotton fabric impregnation wetting angle hydrophobicity 


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Copyright information

© Pleiades Publishing, Ltd. 2017

Authors and Affiliations

  • A. A. Zakharov
    • 1
  • Ameer Abed Jaddoa
    • 1
    • 2
  • T. R. Bilalov
    • 1
  • F. M. Gumerov
    • 1
  1. 1.Kazan National Research Technological UniversityKazanRussia
  2. 2.University of TechnologyBaghdadIraq

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