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The Dyeability of Silk Fabrics with Annatto

  • Textile Coloration and Finishing
  • Abbr : Text. Color. and Finish.
  • 2008, 20(6), pp.35-41
  • Publisher : The Korean Society Of Dyers And Finishers
  • Research Area : Engineering > Fiber Engineering > Dyeing Engineering

한미란 1 조원주 1 이정숙 1

1경상대학교

Accredited

ABSTRACT

This study investigated the dyeing properties of silk fabrics with Annatto. The dye stuff was extracted by distilled water at 60℃, 10minutes, 1:100 of bath ratio. Dyeability(K/S) and color fastness of silk fabrics were tested under conditions of various concentrations, time, temperature, repeat-numbers of dyeing, pH, mordants variables and methods of mordanting. The highest absorbance was found in methanol extract of Annatto. The optimum dyeing concentration, time and temperature of silk fabrics with Annatto were 25%(o.w.f.), 60min and 60℃ respectively. The K/S value showed higher in post-mordanting than in pre-mordanting, and especially post-Fe mordant showed highest K/S value. In the case of colorfastness, Cu-mordanted fabrics were good washing fastness. Dry cleaning fastness appeared 4-5 grades and light fastness showed lowest grade.

Citation status

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