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Effect of Cyanoethylation Pretreatment on the Sublimation Transfer Printing of Cotton Fabric

  • Textile Coloration and Finishing
  • Abbr : Text. Color. and Finish.
  • 2020, 32(3), pp.135-141
  • DOI : 10.5764/TCF.2020.32.3.135
  • Publisher : The Korean Society Of Dyers And Finishers
  • Research Area : Engineering > Fiber Engineering > Dyeing Engineering
  • Received : July 24, 2020
  • Accepted : August 31, 2020
  • Published : September 27, 2020

Bae Do Gyu 1

1경북대학교 바이오섬유소재학과

Accredited

ABSTRACT

The primary and secondary alcohols in cellulose reacted with acrylonitrile(AN) in the presence of strong alkalis to form cyanoethylated cellulose. The partially cyanoethylated cotton(CEC) fabric with AN in the presence of aqueous sodium hydroxide solution was described, including effects of treatment time and reagent concentrations. The weight increases of cotton fabric were shown to be linearly related to the treatment time, temperature and concentration of sodium hydroxide. The physical properties such as shrinkage ratio and tensile strength were proportional to the weight increases without significant impact on elongation. But the moisture regain decreased with decreasing hydrophilicity. The degree of substitution(DS) and transfer ratio were linearly related to the weight increases. In the CEC with increasing weight up to 24.9%, it has been obtained with DS up to 0.63-0.67 cyanoethyl groups per anhydroglucose and transferring ratio up to 87.7%. The color fastness to washing by sublimation transfer printing was improved by the cyanoethylation.

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