Textile Coloration and Finishing (한국염색가공학회지)

The Korean Society of Dyers and Finishers (한국염색가공학회)
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Synthesis of a Super Hydrophobic Violet Dye for Pure Polyolefin(PP/UHMWPE) Fibers

순수 폴리올레핀(PP/UHMWPE) 소재용 초소수성 보라색 염료의 합성

  • Kim, Taekyeong (Department of Textile System Engineering, Kyungpook National University) ;
  • Lee, Changwhan (Department of Textile System Engineering, Kyungpook National University)
  • 김태경 (경북대학교 섬유시스템공학과) ;
  • 이창환 (경북대학교 섬유시스템공학과)
  • Received : 2013.08.16
  • Accepted : 2013.09.09
  • Published : 2013.09.27
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Abstract

A new monoazo violet dye optimized for polyolefin fibers such as polypropylene and ultra high molecular weight polyethylene fibers was synthesized and its dyeability was investigated. Two hexyl groups were introduced to coupler, 2,5-dimethoxyaniline, in order to increase hydrophobicity of the dye. The maximum absorption wavelength was appeared at 580nm, which meant that the dye showed violet color. From the dyeing results at various conditions, the optimum dyeing was determined as $130^{\circ}C$ for 1 hour with 5% owf of dyes. The good fastness ratings to washing, rubbing were obtained showing at least 4 for both fibers. Light fastness was acceptable for polypropylene fibers giving ratings 3~4. However, relatively poor light fastness was obtained in case of ultra high molecular weight polyethylene fibers showing ratings 2.

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References

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