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Eco-friendly Leather Dyeing Using Biomass Wastes(Ⅲ): Imparting Functionality by Combination Dyeing with Marigold (Tagetes erecta L.) and Hinoki Cypress(Chamaecyparis obtusa) Leave Extracts

  • Textile Coloration and Finishing
  • Abbr : Text. Color. and Finish.
  • 2019, 31(1), pp.1-13
  • DOI : 10.5764/TCF.2019.31.1.1
  • Publisher : The Korean Society Of Dyers And Finishers
  • Research Area : Engineering > Fiber Engineering > Dyeing Engineering
  • Received : February 18, 2019
  • Accepted : March 11, 2019
  • Published : March 27, 2019

Geonhee Lee 1 Shin, Younsook 1

1전남대학교 의류학과/생활과학연구소

Accredited

ABSTRACT

In this study, eco-friendly functional leather was developed by recycling wastes such as eel skin, marigold(Tagetas erecta l.), hinoki cypress(Chamaecyparis obtusa). The hot water extracts of marigold and hinoki cypress leaves were freeze-dried at -80℃ to prepare colorant powder. The dyeing of eel leather with marigold was carried out to investigate the effects of dyeing conditions, mordanting on dye uptake, color, morphological change, and color fastness. Considering shrinkage of eel leather caused by dyeing, the optimum dyeing conditions were 60℃ of dyeing temperature and 60 min of dyeing time at 1:100 of bath ratio, and color of the dyed eel leather was Y to YR Munsell series. In order to prevent the degradation of leather from microbe, we conducted combination dyeing with marigold and hinoki cypress leave colorants. In this case, the combination dyed eel leathers showed excellent antimicrobial activity with above 99% bacterial reduction rate against S. aurieus and K. pneumoniae. It was confirmed that all of the dyed eel leathers were sufficient to meet the Korean Standard for color fastness of leather products. It can be applied practically for the development of eco-friendly functional leather by utilizing some useful active components extracted from plant resources and by recycling food wastes.

Citation status

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This paper was written with support from the National Research Foundation of Korea.