Textile Science and Engineering (한국섬유공학회지)

The Korean Fiber Society (한국섬유공학회)
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Characterization of Nanofibrous and Microfibrous Web Fabricated Using Polyurethane-Impregnated Poly(trimethylene terephthalate)

Polyurethane 함침된 Poly(trimethylene terephthalate) 나노섬유 웹과 마이크로섬유 웹의 특성 분석

  • Park, Ko Eun (Department of Advanced Organic Materials and Textile System Engineering) ;
  • Kang, Yun Ok (Department of Nano Technology, Chungnam National University) ;
  • Park, Cho Hee (CG Bio Co., Ltd.) ;
  • Nam, Young Sik (Institute of Chemical and Biological Engineering, Chungnam National University) ;
  • Kim, Jin Hong (Huvis R&D Institute) ;
  • Park, Won Ho (Department of Advanced Organic Materials and Textile System Engineering)
  • 박고은 (충남대학교 유기소재.섬유시스템 공학과) ;
  • 강은옥 (충남대학교 나노기술학과) ;
  • 박초희 ((주)시지바이오) ;
  • 남영식 (충남대학교 바이오응용화학연구소) ;
  • 김진홍 (휴비스 R&D센터) ;
  • 박원호 (충남대학교 유기소재.섬유시스템 공학과)
  • Received : 2013.04.30
  • Accepted : 2013.06.07
  • Published : 2013.06.30
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Abstract

Poly(trimethylene terephthalate) (PTT), a semi-crystalline polyester, has been used in many applications because of its good dyeability and good mechanical properties such as elasticity. Sorona (DuPont) and Corterra (Shell Chemicals) are some trade names of PTT. We describe herein a PTT nanofibrous web fabricated by electrospinning, which is a simple technique for generating nanofibers from a polymer solution and a melt. PTT pellets were dissolved in 1,1,1,3,3,3-hexafluoro-2-propanol (HFIP) followed by electrospinning to yield PTT nanofibers with an average diameter of $900{\pm}97nm$. Then, the PTT nanofibrous web was impregnated with a polyurethane (PU) solution. The resulting material had better mechanical properties and also displayed a lower water contact angle than the PTT nanofibers because a relatively hydrophilic PU was coated onto the PTT nanofibrous web. Additionally, the pilling property of the PU-impregnated PTT nanofibrous web was enhanced by the induced welding among the PTT nanofibers because of PU impregnation. The air permeability of the PTT nanofibrous web was evaluated both before and after PU-impregnation. The results indicated that the PU-impregnated PTT nanofibrous web could be used in various industrial applications.

Keywords

References

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