Textile Science and Engineering (한국섬유공학회지)

The Korean Fiber Society (한국섬유공학회)
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Preparation of Melt-blending Polylactic Acid/Halloysite Nanotube Composite Films for Improvement of Tearing Strength

인열강도 향상을 위한 HNT 용융-혼합 PLA 복합체 제조 및 특성 분석

  • Kim, Taeho (Department of Organic and Nano System Engineering, Konkuk University) ;
  • Ko, Eunjoo (Department of Organic and Nano System Engineering, Konkuk University) ;
  • Song, Younghan (Department of Organic and Nano System Engineering, Konkuk University) ;
  • Ahn, Jungbin (Department of Organic and Nano System Engineering, Konkuk University) ;
  • Park, Sanghyun (Division of Chemical Engineering, Konkuk University) ;
  • Park, Sewon (Division of Chemical Engineering, Konkuk University) ;
  • Kim, Minhyung (Division of Chemical Engineering, Konkuk University) ;
  • Kim, Hyungsup (Department of Organic and Nano System Engineering, Konkuk University)
  • 김태호 (건국대학교 공과대학 유기나노시스템공학과) ;
  • 고은주 (건국대학교 공과대학 유기나노시스템공학과) ;
  • 송영한 (건국대학교 공과대학 유기나노시스템공학과) ;
  • 안정빈 (건국대학교 공과대학 유기나노시스템공학과) ;
  • 박상현 (건국대학교 공과대학 화학공학부) ;
  • 박세원 (건국대학교 공과대학 화학공학부) ;
  • 김민형 (건국대학교 공과대학 화학공학부) ;
  • 김형섭 (건국대학교 공과대학 유기나노시스템공학과)
  • Received : 2020.05.25
  • Accepted : 2020.06.23
  • Published : 2020.06.30
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Abstract

Recently, polylactic acid (PLA) has gained attention owing to its advantages, such as sustainability, eco-friendliness, and biocompatibility. However, PLA has not been widely utilized because of its low mechanical properties, especially tearing strength. In this study, halloysite nanotube (HNT) added PLA composite film was prepared through melt-blending to improve the tearing strength. The tensile strength of the PLA/HNT composite films was enhanced by the filler effect, homogeneous dispersion, and good compatibility of the HNTs. Moreover, the tearing strength of the PLA composite film significantly increased from 3.8 to 5.8 N/mm when the HNT was added at 1 wt%.

Keywords

Acknowledgement

이 논문은 2018년도 정부(과학기술정보통신부)의 재원으로 한국연구재단-미래선도기술개발사업의 지원을 받아 수행된 연구임(No. 2018M3C1B9069748).

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