한국섬유공학회지 (Textile Science and Engineering)

  • 제53권2호
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  • Pages.83-90
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  • 2016
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  • 1225-1089(pISSN)
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  • 2288-6419(eISSN)
한국섬유공학회 (The Korean Fiber Society)
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TiO2 하이브리드에 의한 바이오-폴리우레탄 멤브레인 필름의 투습성 향상에 관한 연구

Enhancing Breathability of Bio-polyurethane Membrane Films by Hybridizing Them with TiO2

  • 강승구 (금오공과대학교 소재디자인공학과) ;
  • 강구 (금오공과대학교 소재디자인공학과) ;
  • 곽남호 (금오공과대학교 소재디자인공학과) ;
  • 진호진 (금오공과대학교 소재디자인공학과) ;
  • 홍성현 (금오공과대학교 소재디자인공학과) ;
  • 주일중 (금오공과대학교 소재디자인공학과) ;
  • 권오경 ((주)비에스지) ;
  • 민병길 (금오공과대학교 소재디자인공학과)
  • Kang, Seung-Gu (Department of Materials Design Engineering, Kumoh National Institute of Technology) ;
  • Kang, Goo (Department of Materials Design Engineering, Kumoh National Institute of Technology) ;
  • Kwak, Nam Ho (Department of Materials Design Engineering, Kumoh National Institute of Technology) ;
  • Jin, Hojin (Department of Materials Design Engineering, Kumoh National Institute of Technology) ;
  • Hong, Seong Hyun (Department of Materials Design Engineering, Kumoh National Institute of Technology) ;
  • Joo, Il Jung (Department of Materials Design Engineering, Kumoh National Institute of Technology) ;
  • Kwon, Oh Kyung (B.S.G. Co., Ltd.) ;
  • Min, Byung Gil (Department of Materials Design Engineering, Kumoh National Institute of Technology)
  • 투고 : 2016.02.13
  • 심사 : 2016.03.17
  • 발행 : 2016.04.30
⟨ 이전 논문 다음 논문 ⟩

초록

The aim of this work was to enhance the water vapor permeability of bio-polyurethane thin film, whose essential application is as a non-microporous type of film in breathable fabrics, by hybridizing it with nano- and micro-sized titania ($TiO_2$). The bio-polyurethanes were synthesized from 4,4-diphenylmethane diisocyanate (MDI) and a polyol mixture containing polyethylene glycol (PEG) and soybean oil-based polyol, that is, bio-glycols by the hydroxylation of soybean oils upto 25% by weight of bio-polyurethane. We studied the effect of hybridizing the bio-polyurethane films with hydrophilic nano- or micro-sized $TiO_2$ on their breathability by measuring the water contact angle and the water vapor permeability of the films; it was found to significantly enhance the permeability of the bio-polyurethane film. Further, nano-$TiO_2$ was more effective than micro-$TiO_2$ due to the higher surface area resulting from nano particles. On the other hand, it is expected that it would be possible to provide additive functionality to the bio-PU membranes due to photocatalytic effect of nano-$TiO_2$.

키워드

참고문헌

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