Dyeing Properties of Poly(lactic acid)/Poly(ethylene terephtalate) Union Fabric by Disperse Dyes

PLA/PET 복합소재의 분산염료에 의한 염색성

  • Lee, Hyo-Young (Department of Textile Engineering, Konkuk University) ;
  • Choi, Yeon-Ji (Department of Textile Engineering, Konkuk University) ;
  • Park, Eun-Ji (Department of Textile Engineering, Konkuk University) ;
  • Kim, Sung-Dong (Department of Textile Engineering, Konkuk University)
  • 이효영 (건국대학교 공과대학 섬유공학과) ;
  • 최연지 (건국대학교 공과대학 섬유공학과) ;
  • 박은지 (건국대학교 공과대학 섬유공학과) ;
  • 김성동 (건국대학교 공과대학 섬유공학과)
  • Received : 2009.12.12
  • Accepted : 2010.02.04
  • Published : 2010.02.28

Abstract

The dyeing properties of 100% PLA fabric and PLA/PET union fabric were examined with 4 different types of disperse dyes in this study. Disperse dyes were highly absorbed by PLA fiber in the temperature range of $100{\sim}110^{\circ}C$, K/S values of dyed PLA fabric with azo disperse dyes were much higher than those with anthraquinone dyes. It was found in the simultaneous dyeing of PLA and PET fabrics in the same bath that disperse dyes were mainly exhausted on PLA fiber at early stage of dyeing and migrated to PET fiber at the elevated dyeing temperature. Consequently K/S values of PET became higher as the dyeing temperature increased. Color differences appeared between PLA part and PET part in the union fabric dyed with 4 disperse dyes.

Keywords

References

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