Dye-resist Properties of Reactive Dye-resist Agents in Reactive Dyeing of Silk

  • Park, Sung-Hee (Fiber Research Institute, Kolon Central Research Park, KOLON) ;
  • Oh, Myung-Joon (Korea Institute of Industrial Technology Evaluation & Planning) ;
  • Koh, Joon-Seok (Department of Textile Engineering, Konkuk University)
  • Published : 2007.10.27

Abstract

The dye-resist effect of reactive dye-resist agents in reactive dyeing of silk was investigated. The dichlorotriazine-based dye-resists achieved a higher effectiveness than others since they make a charge barrier of diffusion in the silk fiber periphery due to high reactivity of dichlorotriazine group. Similarly, in the case of hetero-multifunctional dye-resist agent, the dye-resist agent containing both a dichlorotriazine and an ${\alpha}$-bromoacrylamide reactive groups achieved better resist effectiveness than those containing both a monochlorotriazine and an ${\alpha}$-bromoacrylamide groups. Also, their resist effectiveness was improved by increasing the number of sulfonate groups in the dye-resist agents and the number of reactive groups in the reactive dyes applied to them.

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