한국섬유공학회지 (Textile Science and Engineering)

  • 제36권1호
  • /
  • Pages.25-33
  • /
  • 1999
  • /
  • 1225-1089(pISSN)
  • /
  • 2288-6419(eISSN)
한국섬유공학회 (The Korean Fiber Society)
권호 표지

PLA/PCL 블렌드의 특성 및 상용성에 관한 연구 -에스테르 교환반응 및 열적특성-

A Study on the Characteristics and Miscibility of PLA/PCL Blends -Ester Interchange Reaction and Thermal Property-

  • 지동선 (단국대학교 공과대학 섬유고분자공학부) ;
  • 윤철수 (단국대학교 대학원 섬유공학과)
  • 발행 : 1999.01.01

⟨ 이전 논문 다음 논문 ⟩

초록

The aliphatic poly(lactic acid)/poly($\varepsilon$-caprolactone)(PLA/PCL) blends for bioabsorbable filament sutures were prepared by melt blending. The ester interchange reaction by alcoholysis between two polymers was studied. Also, their thermal properties and miscibility changes due to the alcoholysis were investigated by FT-IR, $^1H-NMR$ and DSC analyses. It was found that PLA/PCL random copolymers have been formed during the melt blending through the ester interchange reaction by alcoholysis. The optimum blending conditions for this reaction were determined. The thermal properties of PLA/PCL blends such as melting temperature and heat of fusion were decreased with increasing interchange levels. However, the miscibility between two polymers was improved greatly by the ester interchange reaction.

키워드

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