화학공학소재연구정보센터
홈 로그인 로그아웃 연락처 사이트맵
Polymer(Korea), Vol.46, No.3, 382-388, May, 2022
DOI10.7317/pk.2022.46.3.382  Export Citation
바이오 기반 Copolyester 섬유: Poly(ethylene 2,5-furandicarboxylate-co-propylene 2,5-furandicarboxylate)의 중합 및 용융방사
Bio-based Copolyester Fibers: Polymerization and Melt Spinning of Poly(ethylene 2,5-furandicarboxylate-co-propylene 2,5-furandicarboxylate)
백지민, 유성일, 안승재1, 김기영†
  • 한국생산기술연구원 소재부품융합연구부문
  • 1한국섬유소재연구원 ESC상생본부
Jimin Baek, Seongil Yu, Seungjae Ahn1, and Ki-Young Kim†
  • Material & Component Convergence R&D Department, Korea Institute of Industrial Technology (KITECH), 143, Hanggaul-ro, Sangnok-gu, Ansan-si, Gyeonggi-do 15588, Korea
  • 1ESC Coprosperity Division, Korea High Tech Textile Research Institute, 170, Geomjun-gil, Nam-myeon, Yangju-si, Gyeonggi-do 11410, Korea
E-mail:
초록
바이오 기반 고분자인 poly(ethylene 2,5-furandicarboxylate)(PEF), poly(propylene 2,5-furandicarboxylate) (PPF), poly(ethylene 2,5-furandicarboxylate-co-propylene 2,5-furandicarboxylate)(PEPF)를 2,5-furandicarboxylic acid(FDCA)와 ethylene glycol(EG) 및 1,3-propanediol(PDO)을 이용하여 합성하였다. 합성된 고분자의 화학적 구조 를 FTIR과 1H NMR로 분석하였다. 또한 1H NMR 스펙트럼을 이용하여 합성된 공중합체의 EG와 PDO 분율을 계 산하였으며, 그 결과 합성 시 투입 비율 대비 공중합체의 PDO 분율이 EG보다 높았다. 이를 통해 FDCA에 대한 반 응성이 PDO가 EG보다 크다는 것을 알 수 있었다. Differential scanning calorimetry(DSC)와 thermogravimetric analysis(TGA) 분석결과에 따라 합성한 고분자를 용융방사하고, 인장특성을 확인하였다. Copolyester 섬유의 인장거 동은 전형적인 미연신사 거동을 보였다. 본 연구에서 바이오 기반 copolyester를 섬유로 사용할 수 있는 가능성을 확인하였다.
Bio-based polymers including poly(ethylene 2,5-furandicarboxylate) (PEF), poly(propylene 2,5-furandicarboxylate) (PPF) and Poly(ethylene 2,5-furandicarboxylate-co-propylene 2,5-furandicarboxylate) (PEPF) were synthesized by reacting 2,5-furandicarboxylic acid (FDCA) with ethylene glycol (EG) and 1,3-propanediol (PDO). Chemical structures of synthesized polymers were characterized by FTIR and 1H NMR. In addition, the fraction of EG and PDO in copolymers were calculated from 1H NMR spectra. As the results, the fraction of PDO in copolymers was higher than EG compared to feeding ratio in synthesis. It is attributed to higher reactivity of PDO than EG. Synthesized polymers were melt-spun under different conditions according to the results of differential scanning calorimetry (DSC) and thermogravimetric analysis (TGA). And the tensile properties of the fibers were evaluated. Tensile behavior of copolyester fibers exhibited similar behavior of undrawn fibers. Thus the feasibility of bio-based copolyester fibers were confirmed.
Keywords:bio-based polymers;poly(ethylene 2,5-furandicarboxylate);poly(propylene 2,5-furandicarboxylate);poly(ethylene2,5-furandicarboxylate-co-propylene 2,5-furandicarboxylate);copolyesters
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