Textile Science and Engineering (한국섬유공학회지)

The Korean Fiber Society (한국섬유공학회)
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Effects of Annealing Conditions on the Physical Properties and Structural Change of Chemically Recycled Cation Dyeable Poly(ethylene terephthalate) Fibers

열처리 조건이 화학적 재활용 염기성 염료 가염형 폴리에스터 원사의 구조 및 물성에 미치는 영향

  • Seo, Young Ho (Department of Nano, Medical and Polymer Materials, Yeungnam University) ;
  • Cho, Hye Won (Department of Nano, Medical and Polymer Materials, Yeungnam University) ;
  • Han, Sung Soo (Department of Nano, Medical and Polymer Materials, Yeungnam University) ;
  • Oh, Tae Hwan (Department of Nano, Medical and Polymer Materials, Yeungnam University) ;
  • Lee, Ki Young (Seong-An) ;
  • Kim, Byeong Ii (Huvis Research & Development Center) ;
  • Hong, Yun Kwang (Korea Jacquard Textile Institute)
  • 서영호 (영남대학교 나노메디컬유기재료공학과) ;
  • 조혜원 (영남대학교 나노메디컬유기재료공학과) ;
  • 한성수 (영남대학교 나노메디컬유기재료공학과) ;
  • 오태환 (영남대학교 나노메디컬유기재료공학과) ;
  • 이기영 ((주)성안) ;
  • 김병일 ((주)휴비스) ;
  • 홍윤광 ((주)한국자카드섬유연구소)
  • Received : 2012.07.04
  • Accepted : 2012.08.02
  • Published : 2012.08.31
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Abstract

In this work, the annealing characteristics of chemically recycled cation dyeable poly(ethylene terephthalate) (CD PET) fibers were investigated and compared with those of regular CD PET. Recycled CD PET was polymerized using chemically recycled monomers of dimethyl terephthalate (DMT), which is chemically recycled from final products such as bottles and fibers. Mechanical properties and structural changes were studied for different annealing temperatures and times. The tensile properties and structural changes of recycled CD PET show similar behavior to those of regular CD PET. The crystal structure of chemically recycled CD PET developed well with increasing annealing temperature and time. At annealing temperature of $180^{\circ}C$, thermal shrinkage decreases to below 2% even after 10 min of annealing.

Keywords

References

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