한국섬유공학회지 (Textile Science and Engineering)

  • 제33권9호
  • /
  • Pages.805-813
  • /
  • 1996
  • /
  • 1225-1089(pISSN)
  • /
  • 2288-6419(eISSN)
한국섬유공학회 (The Korean Fiber Society)
권호 표지

카티온화에 의한 폴리에틸렌테레프탈레이트/면 혼방직물의 염색

Dyeing of Poly(ethylene terephthalate)/Cotton Blends Modified with Cationic Agents

  • 정용식 (한양대학교 섬유공학과) ;
  • 이학노 (한양대학교 섬유공학과, 충남대학교 섬유공학과)
  • 발행 : 1996.09.01

⟨ 이전 논문 다음 논문 ⟩

초록

Dyeing properties of poly(ethylene terephthalate) and cotton modified with cationic agents were investigated. N-methylol compounds such as N-methylolacrylamide(NMA) are highly reactive toward cotton in the presence of Lewis acid catalysts. Modified cotton with NMA has the pendant double bond as a site for Michael addition to various amines such as ethylene diamine(ED), methylamine and so on. NMA is expected to react with terminal hydroxy group of PET, and ED causes the aminolysis of ester groups of PET main chain besides the modified PET with NMA. Therefore PET and cotton modified with NMA and ED have acid dyeing sites and cotton had a good dyeing property for acid dye even at low concentration of ED. High concentration of ED was needed for acct dyeable PET in exchange for the physical properties of the fiber. PET modified with ED have amino functional groups which act as ligands to transition metals and form metal chelate resin. This enables PET to be dyed with 1:1 metal complex dye.

키워드

참고문헌

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