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The Disperse Dyeing of Polyester/Cotton Blend Using a Hetero-bifunctional Bridge Compound(Ⅱ)

  • Textile Coloration and Finishing
  • Abbr : Text. Color. and Finish.
  • 2007, 19(1), pp.1-11
  • Publisher : The Korean Society Of Dyers And Finishers
  • Research Area : Engineering > Fiber Engineering > Dyeing Engineering

KIM,MIKYUNG 1 윤석한 1 Taekyeong Kim 2 Namsik Yoon 2

1한국염색기술연구소
2경북대학교

Accredited

ABSTRACT

Dyeing of polyester/cotton blends is usually carried out through the two-bath or one-bath two-step dyeing method using proper disperse dyes and reactive dyes for each fiber. However, the dyeing requires relatively long and complicated procedure as well as there are some problems such as lower dyeability. In the present study, new one-bath one-step dyeing process was investigated using disperse dyes having amino groups and hetero-bifunctional bridge compound(DBDCBS) including dichloro-s-triazinyl groups and α,β-dibromopropionylamido groups to improve the dyeability of cotton component in polyester/cotton blends. And the one-bath dyeing properties of polyester/cotton blends was evaluated by various dyeing conditions such as pH, temperature and dye concentration. The optimum dyeing condition was pH 4 and 110-120℃. Color fastness were relatively good because of the colvalent bond formation between DBDCBS-reacted cotton fiber and disperse dye.

Citation status

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