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Hydrolysis of the Ester Crosslink on Cotton Fabric Treated withCombination of Poly(maleic acid) and Citric Acid

  • Textile Coloration and Finishing
  • Abbr : Text. Color. and Finish.
  • 2005, 17(3), pp.16-25
  • Publisher : The Korean Society Of Dyers And Finishers
  • Research Area : Engineering > Fiber Engineering > Dyeing Engineering

Kang In Sook 1 Hyun Sook Bae 1

1창원대학교

Accredited

ABSTRACT

this research, we investigated hydrolysis of the ester crosslinking on cotton fabric treated with polymer of maleic acid(PMA), citric acid(CA)and combination of polymer of maleic acid and citric acid using Fourier transform infrared spectroscophy.The rate of hydrolysis of the ester crosslinkage increased with pH regardless of the type of polycarboxylic acid used and even after hydrolysis for 256 hour in pH 13.4 solution, the treated fabric retained 10-20% ester crosslinkage. The durability to alkaline hydrolysis of the ester crosslinkage formed by CA was lower than that of by PMA and combination of poly(maleic acid) and citric acid indicating that the ester formed by CA on the cotton fabric is more susceptible to hydrolysis than that formed by PMA and combination of PMA and CA. The total amount of ester and polycarboxylic acid molecules removed from fabric increased with increasing hydrolysis time but the rate of hydrolysis of ester linkage were higher than that of removal of polycarboxylic acid molecule from the fabric. The characteristic of hydrolysis of fabric treated with combination of PMA and CA was related with the mixing ratio of PMA and CA in treating fabric.

Citation status

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