Fibers and Polymers

The Korean Fiber Society (한국섬유공학회)
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Effect of Heat-treatment on Stretch of Poly(trimethylene terephthalate) Woven Fabric

  • Yoon, Kwan-Han (School of Advanced Materials and System Engineering, Kumoh National Institute of Technology) ;
  • Jeong, Young-Jin (School of Advanced Materials and System Engineering, Kumoh National Institute of Technology) ;
  • Min, Byung-Ghyl (School of Advanced Materials and System Engineering, Kumoh National Institute of Technology)
  • Published : 2003.06.01
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Abstract

The properties of a woven fabric made of poly(trimethylene terephthalate) (PTT) were investigated. The PTT fab-ric of draw textured yarn (DTY) showed excellent stretch as good as a fabric containing spandex. However, the unique stretch of the PTT fabric reduced dramatically by simple heat-treatment even at as low as $80^{\circ}C$. To understand the phenomenon, the crimp rigidity of the DTY was observed by SEM. It was found that the drastic reduction of stretch was caused by irreversible uncrimping of PTT DTY after heat-treatment. Conclusively, it is of importance to optimize the texturing conditions for PTT DTY to make the crimp more stable.

Keywords

References

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