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A Study on the Anionisation of Cotton Fabric

  • Textile Coloration and Finishing
  • Abbr : Text. Color. and Finish.
  • 2018, 30(1), pp.29-37
  • DOI : 10.5764/TCF.2018.30.1.29
  • Publisher : The Korean Society Of Dyers And Finishers
  • Research Area : Engineering > Fiber Engineering > Dyeing Engineering
  • Received : September 21, 2017
  • Accepted : January 17, 2018
  • Published : March 27, 2018

Bae Do Gyu 1 Tae Jung Lee 1

1경북대학교 바이오섬유소재학과

Accredited

ABSTRACT

Cotton has no adsorption ability for the cationic dye and heavy metal but, if anionized cotton can be made, it will be possible. In this study, to enable the anionisation of cotton fabric, it was modified using sodium vinylsolfonate(SV) as the anionisation reagent, employing a pad-dry-cure(PDC) technique. The effects of curing time, treatment concentrations of urea, sodium hydroxide and SV on the weight increase were experimented and then, the physical characterizations of sulfoethyl cotton(SEC) depending on the finishing conditions were estimated, thus the application possibility of SV as anionisation reagent was investigated. It was not much changed by anionisation except wrinkle recovery. And the structure of SEC was elucidated by Raman and NMR spectoscopy. The feasibility of using Raman and NMR spectroscopy with the band at 1,043cm-1c, and 50.5ppm, respectively as marker band to determine sulfoethyl group of SEC was reported. The total degree of SV substitution(DSV) was determined via elemental analysis. SEC with diverse total DSV up to 0.066 was obtained. In the thermal decomposition(pyrolysis) by DSC, it can be found that the pyrolysis temperature was about 30℃ lower than that of non-treated cotton fabric.

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