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The Study of the Dyeability of Laurel Tree Extracts

  • Textile Coloration and Finishing
  • Abbr : Text. Color. and Finish.
  • 2004, 16(6), pp.1-9
  • Publisher : The Korean Society Of Dyers And Finishers
  • Research Area : Engineering > Fiber Engineering > Dyeing Engineering

배기현 1 Yeon Uk Jeong 1 Lee Shin hee 1

1경북대학교

Accredited

ABSTRACT

The dyeings of cotton and silk fabric with Laurus tree extracts were investigated. The colorant was extracted with distilled water at 100℃ for 1h. Dyeability(K/S), color fastness and antibacterial property of cotton and silk fabric were tested under conditions of various time, temperature, concentration, repeat-number of dyeing and mordants. The characteristics of dyeings Laurus extracts were figured out by K/S and CIELab values and color-fastness test was estimated in terms of wash fastness and light fastness. The maximum wavelength of spectrum was 670nm. The K/S value of cotton and silk fabric increased with increasing dyeing time and the exhaustion was saturated in 90min. Optical dyeing temperatures of cotton and silk fabrics were 60℃ and 80℃, respectively. The mordant effect on cotton fabric was achieved using Fe mordant. On the other hand, the mordant effect on silk fabric was obtained using Fe and Cu mordants. The wash fastness of cotton fabric was higher than that of silk fabric. Antibacterial property of silk dyeing was greater than that of cotton dyeing. In addition, the excellent antibacterial effect was imparted by Fe-post mordant method.

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