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Physical Properties of Recycled Polyester Yarns According to Recycling Methods

  • Textile Coloration and Finishing
  • Abbr : Text. Color. and Finish.
  • 2012, 24(1), pp.91-96
  • Publisher : The Korean Society Of Dyers And Finishers
  • Research Area : Engineering > Fiber Engineering > Dyeing Engineering

이선영 1 Seung Goo Lee 1 JongSung Won 1 유재정 1 함완규 2

1충남대학교
2한국생산기술연구원

Accredited

ABSTRACT

The physical properties of recycled polyester yarns according to recycling methods were investigated. Virgin polyester draw texturized yarn(DTY), material-recycled(MR) polyester DTY and chemical-recycled(CR) polyester DTY were prepared. Surface morphology, thermal property, micro-structure and mechanical property of recycled polyester yarns were estimated. SEM–EDS analysis showed that the CR PET yarn had better crimp and more stable structure than MR PET yarn. Tm of the MR PET yarn was higher than that of the CR PET yarn. The intensity of the crystallization peak of the CR PET yarn was a little higher than that of the MR PET yarn. Tensile strength of the MR PET yarn was slightly higher than that of the CR PET yarn. Breaking elongation of the CR PET yarn was slightly higher than that of the MR PET yarn.

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