한국섬유공학회지 (Textile Science and Engineering)

  • 제58권6호
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  • Pages.322-327
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  • 2021
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  • 1225-1089(pISSN)
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  • 2288-6419(eISSN)
한국섬유공학회 (The Korean Fiber Society)
권호 표지
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나노셀룰로스 필러의 구조적 차이 및 함량에 따른 PLA의 결정화 거동 고찰

Effect of Different Morphology of Nucleating Agents on the Crystallization Behavior of Poly Lactic Acid/Nanocellulose Composites

  • 박상현 (건국대학교 공과대학 유기나노시스템공학과) ;
  • 김형섭 (건국대학교 공과대학 유기나노시스템공학과) ;
  • 김태호 (건국대학교 공과대학 유기나노시스템공학과) ;
  • 박세원 (건국대학교 공과대학 유기나노시스템공학과) ;
  • 김민형 (건국대학교 공과대학 유기나노시스템공학과) ;
  • 안정빈 (건국대학교 공과대학 유기나노시스템공학과)
  • Park, Sanghyun (Department of Organic and Nano System Engineering, Konkuk University) ;
  • Kim, Hyungsup (Department of Organic and Nano System Engineering, Konkuk University) ;
  • Kim, Taeho (Department of Organic and Nano System Engineering, Konkuk University) ;
  • Pak, Sewon (Department of Organic and Nano System Engineering, Konkuk University) ;
  • Kim, Minhyung (Department of Organic and Nano System Engineering, Konkuk University) ;
  • Ahn, Jungbin (Department of Organic and Nano System Engineering, Konkuk University)
  • 투고 : 2021.12.04
  • 심사 : 2021.12.17
  • 발행 : 2021.12.31
⟨ 이전 논문 다음 논문 ⟩

초록

In this study, two types of nanocellulose were introduced in poly lactic acid (PLA) as nucleation agents, and the crystallization behavior of the composite was studied. Owing to the different aspect ratio, the effect of cellulose nanocrystal (CNC) and cellulose nanofiber (CNF) on the PLA behavior was significantly different. Rheological analysis revealed that CNC did not affect the chain behavior whereas CNF interfered the chain movement of the PLA. Both CNC and CNF played role as nucleation agents, but the crystallization behaviors of the composites were different. DSC analysis confirmed that CNC helped to develop α crystalline of PLA. On the other hand, CNF disturbed the compact crystalline formation and resulted in δ crystalline structure development.

키워드

과제정보

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

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