Mechanical and physico-chemical characterization of cyclodextrin finished polyamide fibers

  • Yassine El Ghoul
  • Bernard Martel
  • Michel Morcellet
  • Christine Campagne
  • Ahmida El Achari
  • Sadok Roudesli
Original Article

Abstract

We present the study of the cyclodextrin (CDs) finishing of polyamide fibers (PA) by means of citric acid (CTR) as crosslinking agent. We observed that the mode of grafting happened by the formation of a crosslinked polymer formed between CTR and CDs. This polymer physically adhered to the fibers network and was resistant to hot water washings.

Modified fibers were characterized by evaluating the contact angle with a polar liquid and by studying the hysteresis of damping of PA fibers (Cahn balance) with various grafting rates and by studying the absorptivity of grafted fabrics via the technique of the posed drop

(Digidrop® instrument). Then a mechanical characterization of the PA fabrics grafted with various proportions of CDs was accomplished, by traction and tear tests by using a tensile-test bench Lohmergy. Finally a topographic study of PA grafted surfaces was approached by atomic force microscopy (AFM and LFM; contact and non-contact mode) which permitted to evaluate the roughness and the chemical heterogeneity of the grafted surfaces.

Keywords

Polyamid-6-6-fibers Cyclodextrin Citric acid Textile finishing 

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Copyright information

© Springer Science+Business Media, Inc. 2007

Authors and Affiliations

  • Yassine El Ghoul
    • 1
  • Bernard Martel
    • 1
  • Michel Morcellet
    • 1
  • Christine Campagne
    • 2
  • Ahmida El Achari
    • 2
  • Sadok Roudesli
    • 3
  1. 1.Université des sciences et Technologies de Lille, Laboratoire de Chimie Organique MacromoléculaireUMR CNRS 8009Villeneuve d’AscqFrance
  2. 2.Laboratoire du Génie et Matériaux TextilesEcole Nationale Supérieure des Arts et Industrie TextilesRoubaix cedex 01France
  3. 3.Laboratoire Polymères-Biopolymères-Matériaux OrganiquesFaculté des Sciences de MonastirMonastirTunisie

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