Textile Coloration and Finishing (한국염색가공학회지)

The Korean Society of Dyers and Finishers (한국염색가공학회)
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Dyeing Properties of Polyurethane Fiber by Novel Phthalimidyl Azo Disperse Dyes

Phthalimide계 신규 Azo dye의 Polyurethane계 섬유 염색 특성

  • Choi, Jong-Yun (Department of Textile System Engineering, Kyungpook National University) ;
  • Choi, Jae-Hong (Department of Textile System Engineering, Kyungpook National University)
  • 최종윤 (경북대학교 섬유시스템공학과) ;
  • 최재홍 (경북대학교 섬유시스템공학과)
  • Published : 2009.12.27
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Abstract

Some phthalimidyl azo dyes containing N,N-diethyl or N,N-di($\beta$-methoxycarbonylethyl) group have been attempted to apply onto two kinds of polyurethane based materials and rationalize their dyeability and fastness comparing with those of some commercial disperse dyes. Phthalimidyl azo dye showed 66~98% of exhaustion yield at $120^{\circ}C$ by a conventional exhaust dyeing method. The dyeings were found to have a higher wash fastness with both fabrics in comparison with those of commercial dyes which indicates lower thermomigration and efficient alkali clearable properties of phthalimidyl ring and/or diester group during post-dyeing process.

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References

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Cited by

  1. Investigation of alkaline hydrolysis of phthalimide-based azo dye and its application to after-treatment optimisation for high-fastness dyeing of polyesters vol.134, pp.3, 2018, https://doi.org/10.1111/cote.12335