Textile Science and Engineering (한국섬유공학회지)

The Korean Fiber Society (한국섬유공학회)
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Green Approaches to Manufacturing Electrospun Silk Sericin Nanofibers

전기방사 실크 세리신 나노섬유 제조를 위한 친환경적 접근방식

  • Hoyoung Lee (Department of Digital Transformation (DX) Research, Korea High Tech Textile Research Institute) ;
  • Sanghoon Lee (Department of Composite Materials Research, Korea High Tech Textile Research Institute) ;
  • Mi Eun Lee (BJ SILK Co.) ;
  • Koo Jung (Department of Composite Materials Research, Korea High Tech Textile Research Institute)
  • 이호영 (한국섬유소재연구원 DX연구본부) ;
  • 이상훈 (한국섬유소재연구원 복합소재 연구본부) ;
  • 이미은 (비이제이실크) ;
  • 정구 (한국섬유소재연구원 복합소재 연구본부)
  • Received : 2024.06.28
  • Accepted : 2024.08.13
  • Published : 2024.08.31
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Abstract

We developed a green method to extract sericin from silk waste without the use of chemical solvents. This technique not only ensures non-toxicity but also aligns with sustainable practices, minimizing environmental impact. The extracted sericin was mixed with polyvinyl alcohol (PVA) to create a stable polymeric spinning dope. By optimizing the sericin-to-solvent ratio to 1:30, we achieved the ideal viscosity and electrospinnability. Initial trials were conducted at a laboratory scale, followed by scaling up to a pilot plant. We systematically optimized the electrospinning parameters to ensure the consistent production of nanofibers. In pilot-scale experiments, the electrospinning of PVA loaded with 20 wt% sericin successfully replicated laboratory results. The produced nanofibers had an average diameter of approximately 700 nm. These silk sericin/PVA nanofibers are non-toxic and environmentally friendly, demonstrating potential for applications in skincare and medical textiles. Our research establishes a foundation for the scalable production of eco-friendly sericin composite nanofibers, contributing to the development of functional textiles.

Keywords

Acknowledgement

본 연구는 중소벤처기업부 중소기업기술혁신개발사업(S3242459) 지원으로 수행되었습니다.

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