Textile Science and Engineering (한국섬유공학회지)

The Korean Fiber Society (한국섬유공학회)
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Study on Polyhydroxyamide/Carbon Nanotube Nanocomposite Fibers

폴리히드록시아미드/CNT 나노복합체 섬유에 대한 연구

  • Jee, Min Ho (Department of Advanced Organic Materials and Textile System Engineering, Chungnam National University) ;
  • Kang, Chan Sol (Department of Advanced Organic Materials and Textile System Engineering, Chungnam National University) ;
  • Yeo, Moon Jin (Department of Advanced Organic Materials and Textile System Engineering, Chungnam National University) ;
  • Baik, Doo Hyun (Department of Advanced Organic Materials and Textile System Engineering, Chungnam National University)
  • 지민호 (충남대학교 유기소재.섬유시스템공학과) ;
  • 강찬솔 (충남대학교 유기소재.섬유시스템공학과) ;
  • 여문진 (충남대학교 유기소재.섬유시스템공학과) ;
  • 백두현 (충남대학교 유기소재.섬유시스템공학과)
  • Received : 2015.11.10
  • Accepted : 2015.12.02
  • Published : 2015.12.31
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Abstract

Polyhydroxyamide (PHA) was synthesized by low-temperature solution polymerization of 3,3'-dihydroxybenzidine and terephthaloyl chloride. Then, pure PHA and PHA nanocomposite fibers, including multi-walled carbon nanotube (MWNT), were prepared by a wet-spinning process. The structural characteristics, thermal properties, and mechanical performances, such as tensile strength, initial modulus, and compressive strength, of the PHA fibers were investigated using FT-IR, TGA, and a tensile testing machine. The TGA results show that the PHA fiber has excellent thermal stability at high temperatures and can undergo thermal cyclization to yield PBO fiber. The tensile mechanical properties of PHA nanocomposite fibers were better than those of pure PHA fiber, and they were improved on increasing the MWNT content. The highly improved mechanical properties of the nanocomposite fibers are thought to be related to the strong interfacial interactions between the PHA matrix and MWNT.

Keywords

References

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Cited by

  1. Thermal Cyclization Behavior of Polyhydroxyamide Copolymers vol.53, pp.5, 2016, https://doi.org/10.12772/TSE.2016.53.340