Textile Science and Engineering (한국섬유공학회지)

The Korean Fiber Society (한국섬유공학회)
권호 표지

Synthesis and Characterization of Poly(ethylene terephthalate/trimethylene terephthalate) (P(ET/TT)) for Supermicro Deep-tone Polyester

심색성 극세 폴리에스터 제조용 Poly(ethylene terephthalate/trimethylene terephthalate) (P(ET/TT))의 합성 및 특성

  • Lee, Jong-Soon (Department of Advanced Polymer & Fiber Materials, College of Environment and Applied Chemistry, Kyung Hee University) ;
  • Choi, Young-Gun (Huvis R&D Center) ;
  • Kim, Do-Kyun (Huvis R&D Center) ;
  • Kim, Kap-Jin (Department of Advanced Polymer & Fiber Materials, College of Environment and Applied Chemistry, Kyung Hee University)
  • 이종순 (경희대학교 환경.응용화학대학 고분자.섬유 신소재) ;
  • 최영근 (휴비스 R&D 센터) ;
  • 김도균 (휴비스 R&D 센터) ;
  • 김갑진 (경희대학교 환경.응용화학대학 고분자.섬유 신소재)
  • Published : 2006.08.01
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Abstract

Polyester microfiber has usually greater dye uptake than normal denier polyester fiber at the same dyeing condition. Though polyester has high dye uptake, dyed microfiber fabric has not only low visual colour depth but also poor washing fastness property. In order to improve this dyeing property, poly(ethylene terephthalate/trimethylene terephthalate)(ET/TT) was synthesized with various TT content using DMT process. The feed ratio of TT was varied from 5-30 mol%. The content of TT unit in P(ET/TT) was higher than the feed ratio of TT. The physical properties, dyeing properties, and wet fastness of P(ET/TT) were investigated. Melting $point(T_m)$ and glass transition $temperature(T_g)$ of P(ET/TT) decreased with increasing content of TT unit. P(ET/TT) could be dyed at lower temperature than homo PET with increasing TT feeding content. Alkaline dissolution behavior of P(ET/TT) was also examined as a function of TT content.

Keywords

References

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