Journal of the Korean Chemical Society (대한화학회지)

Korean Chemical Society (대한화학회)
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Studies on the s-Triazinyl Reactive Dyes (III). Synthesis of Dichromophoric Monofluorotriazinyl Reactive Dye

s-Triazine계 반응성 염료에 관한 연구 (제3보). 2개의 발색단을 포함한 Monofluorotriazine 반응성 염료에 합성

  • Kye Chun Nam (Applied Chemistry Research Division, Korea Adavanced Institute of Science) ;
  • Won Tai Kim (Applied Chemistry Research Division, Korea Adavanced Institute of Science) ;
  • Sang Woo Park (Applied Chemistry Research Division, Korea Adavanced Institute of Science)
  • 남계춘 (韓國科學技術院 應用化學硏究部) ;
  • 김원태 (韓國科學技術院 應用化學硏究部) ;
  • 박상우 (韓國科學技術院 應用化學硏究部)
  • Published : 1983.06.20
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Abstract

Triazinyl reactive dye containing two different chromophore was synthesized by using trifluoro-s-triazine as reactive component. The yield of this dye was 72% and its colour was yellowish red as a mixed shade. The hydrolysis rate and dyeing properties of this dye were studied and compared with monochlorotriazinyl reactive dye. It was found that monofluorotriazinyl reactive dye showed much higher hydrolysis rate than monochlorotriazinyl reactive dye.

새로운 반응성염료 개발의 일환으로 trifluoro-s-triazine을 반응성분으로 이용하여 한 분자에 2개의 서로 다른 chromophore를 가지는 반응성염료를 합성한 다음, 이의 가수분해속도와 면섬유에 대한 염색성을 조사하였다. 이 염료의 유사 일차 가수분해속도상수, $k_w$는 pH=10.0, 온도 $60{\circ}C$에서 k_w=2.6{\times}10^{-2}min^{-1}$로서 monochlorotriazine 반응성염료보다 높은 값을 보였으며 염착률과 고착율 역시 monochlorotriazine 계 염료보다 우수하였다. 얻어진 반응성 염료는 황색계열로서 수율은 75%였다.

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References

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