Textile Science and Engineering (한국섬유공학회지)

The Korean Fiber Society (한국섬유공학회)
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Improvement of the Physical Properties of Chemically Recycled Poly(ethylene Terephthalate)

화학재생 폴리에스터 칩의 물성향상 연구

  • Lim, Dae Hee (Department of Organic and Nano Engineering, Hanyang University) ;
  • Oh, Mi Ok (Department of Organic and Nano Engineering, Hanyang University) ;
  • Choi, Yeon Joo (Department of Organic and Nano Engineering, Hanyang University) ;
  • Kim, Seong Hun (Department of Organic and Nano Engineering, Hanyang University)
  • 임대희 (한양대학교 유기나노공학과) ;
  • 오미옥 (한양대학교 유기나노공학과) ;
  • 최연주 (한양대학교 유기나노공학과) ;
  • 김성훈 (한양대학교 유기나노공학과)
  • Received : 2013.02.05
  • Accepted : 2013.04.04
  • Published : 2013.04.30
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Abstract

Chemically recycled/virgin poly(ethylene terephthalate) (PET) blends were prepared by melt blending to improve the physical properties of the chemically recycled PET. The effect of virgin PET on the mechanical and thermal properties, molecular weight, and crystallinity of the chemically recycled/virgin PET blends was investigated. The tensile strength and modulus of the chemically recycled/virgin PET blends increased with increasing virgin PET content. The crystallinity of the chemically recycled/virgin PET blends depended significantly on the recycled PET content because of the nucleation effect of the residual catalyst generated from the depolymerization of PET. The color index of the chemically recycled/virgin PET blends was also investigated to determine the color of the blends numerically.

Keywords

References

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