Textile Science and Engineering (한국섬유공학회지)

The Korean Fiber Society (한국섬유공학회)
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Synthesis and Non-isothermal Crystallization Behavior of Poly(glycolide-co-${\varepsilon}$-caprolactone) Block Copolymer

Poly(glycolide-co-${\varepsilon}$-caprolactone) 블록 공중합체의 합성과 비등온 결정화 거동 분석

  • Choi, Song-Yeon (Department of Advanced Organic Materials and Textile System Engineering, Chungnam National University) ;
  • Jee, Min-Ho (Department of Advanced Organic Materials and Textile System Engineering, Chungnam National University) ;
  • Park, Nam-Jib (Department of Advanced Organic Materials and Textile System Engineering, Chungnam National University) ;
  • Song, Seung-Ho (R&D Team, Meta-Biomed Co. Ltd.) ;
  • Choi, Kyo-Chang (R&D Team, Meta-Biomed Co. Ltd.) ;
  • Baik, Doo-Hyun (Department of Advanced Organic Materials and Textile System Engineering, Chungnam National University)
  • 최송연 (충남대학교 유기소재.섬유시스템공학과) ;
  • 지민호 (충남대학교 유기소재.섬유시스템공학과) ;
  • 박남집 (충남대학교 유기소재.섬유시스템공학과) ;
  • 송승호 ((주)메타바이오메드 기술연구소) ;
  • 최교창 ((주)메타바이오메드 기술연구소) ;
  • 백두현 (충남대학교 유기소재.섬유시스템공학과)
  • Received : 2011.01.10
  • Accepted : 2011.02.06
  • Published : 2011.02.28
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Abstract

Poly(glycolide-co-${\varepsilon}$-caprolactone)(PGCL) block copolymers were synthesized by two step polymerization using glycolide and ${\varepsilon}$-caprolactone as starting materials. The chain-microstructures of the resulting block copolymers were characterized by $^1H-NMR$. The structure and thermal properties of the PGCL block copolymer were strongly affected by the chain-microstructure of the prepolymer. The non-isothermal crystallization behavior of the PGCL block copolymers was examined at various cooling rates and analyzed with modified-Avrami and Ziabicki equations. The PGCL block copolymer with a lower degree of randomness in the prepolymer block had a higher crystallization temperature and faster crystallization rate, which suggests that differences in chain-microstructure of the PGCL prepolymer can affect the crystallization characteristics, such as crystallinity and crystallization rate.

Keywords

Acknowledgement

Supported by : (주)메타바이오메드

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