Textile Science and Engineering (한국섬유공학회지)

The Korean Fiber Society (한국섬유공학회)
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Preparation and Filtration Properties of a Nanofiber-based Composite Yarn String-wound Cartridge

나노섬유 복합 장섬유사 제조 및 섬유사 카트리지 필터 특성

  • 이승훈 ((주)아모그린텍 신소재 연구소) ;
  • 장선호 ((주)아모그린텍 신소재 연구소) ;
  • 소윤미 ((주)아모그린텍 신소재 연구소) ;
  • 류중재 (ECO 융합섬유연구원) ;
  • 임지혜 (ECO 융합섬유연구원) ;
  • 김의화 (신한대학교 섬유소재공학과) ;
  • 심현주 (숭실대학교 유기신소재파이버공학과) ;
  • 김찬 ((주)아모그린텍 신소재 연구소)
  • Received : 2020.01.13
  • Accepted : 2020.02.04
  • Published : 2020.02.29
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Abstract

Electro-spun PVDF nanofibers and PE/PP thermal-bond nonwovens were composited to obtain nanofiber-based yarns using a slitting and twisting technique. Nanofiber-based yarns were applied to string-wound cartridge filters and compared with commercial filters. The average pore size, air permeability, and filter efficiency evaluations were performed to compare PVDF-based nanofiber composite yarns with commercially available polypropylene (PP) string-wound cartridge filters. The filtration efficiency of the nanofiberbased yarn string-wound cartridge filter significantly improved compared to the commercial filter. For a 5 ㎛ particle size, PVDF-based nanofiber composite yarn filters showed a removal efficiency of above 96% and an improved filter efficiency of more than 26% compared to commercial filters. Nanofiber membranes limited to surface filtration can perform to depth filtration if they consist of nanofiber-based composite yarns. The design of nominal and absolute filters can be based on the content of the nanofiber-based composite yarns. These results demonstrate that electro-spun PVDF-based composite yarns could potentially serve as string-wound cartridge filters during processing or pre-filtering in water treatment areas.

Keywords

Acknowledgement

본 연구는 산업통상자원부 우수기술연구센터(Advanced Technology Center, ATC, 10051891) 사업의 지원으로 수행되었습니다.

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