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Wool Dyeing with Sepia Melanin

  • Textile Coloration and Finishing
  • Abbr : Text. Color. and Finish.
  • 2010, 22(1), pp.14-20
  • Publisher : The Korean Society Of Dyers And Finishers
  • Research Area : Engineering > Fiber Engineering > Dyeing Engineering

Jang, Jin-Ho 1 Su-Jin Kim 2 Hye-Ryun Kwon 2 Jung-Hwa Yoo 2

1금오공과대학교
2금오공과대학교 나노바이오텍스타일공학과

Accredited

ABSTRACT

Abstract― Squid ink was purified to melanin powder by repeated treatments with aqueous sodium hydroxide and acetic acid solutions. The exhaustion dyeing conditions of melanin to wool fabrics were investigated in relation with pH, melanin concentration,dyeing temperature and time. The melanin was dyeable to cotton and wool fabrics but higher dyeability of the wool was observed. A K/S of 7 was obtained on the optimally dyed wool fabrics with 5 %owf melanin under pH 4 at 100℃ for 60 minutes. Color fastness to both washing and rubbing was excellent and color fastness to light was also very good probably due to the polymeric nature of the extracted sepia melanin.

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