Textile Science and Engineering (한국섬유공학회지)

The Korean Fiber Society (한국섬유공학회)
권호 표지

Dyeing of Wool with Reactive Dyes and Its Fiber Protective Effects

반응염료에 의한 양모염색과 상해방지 효과

  • 김기천 (한양대학교 섬유공학과) ;
  • 김진우 (한양대학교 섬유공학과)
  • Published : 1995.07.01

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Abstract

Dyeing properties and fiber protective effects of two bifunctional reactive dyes, Rifafix Red BBN(C.1. No. ursavailable, dye I) and Rifafix Red 3BN(C.I. Reactive Red 241, dye II), on wool were investigated at various pH values. Dye I which has two solfonic groups showed the higher degrees of absorption and fixation than dye II which has four sulfonic groups. And dye II was more sensitive to pH values than dye 1. At lower pH values, the blocking of basic sites of wool chain by sulfonic groups had iuluence on the deuces of absorption and fixation only at higher dye concentration. But at higher pH values, the effects appeared at lower dye concentration. Alkali solubility of wool was reduced by dyeing with bifunctional reactive dyes to a greater extent than monofunctional reactive dye of similar structure. And the wool dyed with bifunctional dyes was increased in its thermal stability.

Keywords

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