폴리머 (Polymer(Korea))

  • 제38권4호
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  • Pages.477-483
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  • 2014
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  • 0379-153X(pISSN)
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  • 2234-8077(eISSN)
한국고분자학회 (The Polymer Society of Korea)
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DOI QR코드

DOI QR Code

멜트블론 부직포 제조를 위한 PLA/PCL 블렌드의 미세구조, 열적특성, 및 유변학적 성질

Microstructure, Thermal Properties and Rheological Behavior of PLA/PCL Blends for Melt-blown Nonwovens

  • Sun, Hui (The National & Local United Engineering Key Lab of Textile fiber Material and Manufacturing Technology, Zhejiang Sci-Tech University) ;
  • Yu, Bin (The National & Local United Engineering Key Lab of Textile fiber Material and Manufacturing Technology, Zhejiang Sci-Tech University) ;
  • Han, Jan (The National & Local United Engineering Key Lab of Textile fiber Material and Manufacturing Technology, Zhejiang Sci-Tech University) ;
  • Kong, Jinjin (The National & Local United Engineering Key Lab of Textile fiber Material and Manufacturing Technology, Zhejiang Sci-Tech University) ;
  • Meng, Lingrui (The National & Local United Engineering Key Lab of Textile fiber Material and Manufacturing Technology, Zhejiang Sci-Tech University) ;
  • Zhu, Feichao (The National & Local United Engineering Key Lab of Textile fiber Material and Manufacturing Technology, Zhejiang Sci-Tech University)
  • 투고 : 2013.12.27
  • 심사 : 2014.02.18
  • 발행 : 2014.07.25
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초록

Poly(lactic acid) (PLA) and poly(${\varepsilon}$-caprolactone) (PCL) blends with various components for melt-blown non-wovens were prepared by a twin-screw extruder. Tributyl citrate (TBC) was added in order to improve the miscibility between PLA and PCL. The results showed that small circular particles of PCL were dispersed in PLA matrix uniformly. The addition of PCL had the heterogeneous nucleation effect on the crystallization of PLA and decreased thermal stability of PLA. The flow of pure PLA and blends approached to Newtonian liquid at a low shear rate and expressed more obvious viscoelasticity at a high shear rate.

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