Dyeing Properties of PET/Dyeable PP Double Knit Fabric

PET/가염PP 이종 편성물의 염색 특성

  • Chang, Young-Min (Department of Textile Engineering, Konkuk University) ;
  • Lee, Jin-Ah (Department of Textile Engineering, Konkuk University) ;
  • Park, Jong-Ho (Department of Textile Engineering, Konkuk University) ;
  • Koh, Joon-Seok (Department of Textile Engineering, Konkuk University) ;
  • Jung, Young-Jin (Dept. of Biomaterials Engineering, College of Natural Resource & Life Science, Pusan National University) ;
  • Kim, Sung-Dong (Department of Textile Engineering, Konkuk University)
  • 장영민 (건국대학교 공과대학 섬유공학과) ;
  • 이진아 (건국대학교 공과대학 섬유공학과) ;
  • 박종호 (건국대학교 공과대학 섬유공학과) ;
  • 고준석 (건국대학교 공과대학 섬유공학과) ;
  • 정영진 (부산대학교 생명자원과학대학, 바이오소재) ;
  • 김성동 (건국대학교 공과대학 섬유공학과)
  • Published : 2008.04.27


New dyeable PP fiber and several products from it has been developed through dispersing polyester copolymer into PP resin by a Korean synthetic fiber manufacturer and its colleagues. The dyeing properties of PET/dyeable PP double knit fabric were examined with three different types of disperse dye in this study. It was found that the disperse dye, exhausted on dyeable PP at early stage of dyeing, migrated to PET at elevated dyeing temperature when two fibers were dyed in the same dye bath. The ratios of dye distribution between two substrates dyed at $120^{\circ}C$ and $130^{\circ}C$ showed no difference. S type disperse dyes showed good build-up properties and acceptable color fastness while high light fastness type exhibited the lowest amounts of exhaustion but excellent color fastness. It might be concluded that the most appropriate dye for PET/dyeable PP double knit fabric was S type, and that some color difference between PET side and dyeable PP side was unvoidable.



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