Textile Science and Engineering (한국섬유공학회지)

The Korean Fiber Society (한국섬유공학회)
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Dyeing Characteristics of Fine Denier Wool according to Ionic Liquid and Pre-treatment Conditions

양모섬유의 세섬화 및 Ionic Liquid와 전처리 조건에 따른 염색특성 연구

  • Woo, Heeju (Department of Textile System Engineering, Kyungpook National University) ;
  • Cho, Minhui (Department of Textile System Engineering, Kyungpook National University) ;
  • Jeong, Jae-Seok (Korea Textile Development Institute) ;
  • Park, Hyung-Ho (Hansin Wool Textile Co., Ltd.) ;
  • Jeong, Euigyung (Department of Textile System Engineering, Kyungpook National University) ;
  • Bae, Jin-Seok (Department of Textile System Engineering, Kyungpook National University)
  • 우희주 (경북대학교 섬유시스템공학과) ;
  • 조민희 (경북대학교 섬유시스템공학과) ;
  • 정재석 (한국섬유개발연구원) ;
  • 박형호 (한신모방주식회사) ;
  • 정의경 (경북대학교 섬유시스템공학과) ;
  • 배진석 (경북대학교 섬유시스템공학과)
  • Received : 2017.04.21
  • Accepted : 2017.06.19
  • Published : 2017.06.30
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Abstract

By producing fine denier wool fibers using the continuous drawing machine, the price can be lowered and high quality can be achieved. In this study, dyeing characteristics were examined in comparison with general fine denier wool which dyeability decreases when drawn. In the scouring and bleaching process to remove impurities of wool fibers and to increase dyeability, the K/S values of yellow and blue colors were decreased by about 0.5 on average. In this regard, the scouring and bleaching process can be skipped since they did not greatly affect the dyeability of the fibers before and after drawing. The dye exhaustion of wool fiber after drawing showed 99.6% on average and the K/S value was increased by an average 2 compared with the fibers before drawing. The dyeing properties of damaged wool fibers after pretreatment using oxidizing agents were investigated when ionic liquid was used. As a result, the dyeability of yellow and red color was improved when ionic liquid was used as solvent while the dyeability of blue color was maintained. It seems that it is necessary to study the correlation between the structure of dyes and ionic liquids used.

Keywords

References

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