Textile Science and Engineering (한국섬유공학회지)

The Korean Fiber Society (한국섬유공학회)
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Preparation of Silsesquiazane Nanofibers Using Electrospinning Techniques

전기방사를 이용한 실세스퀴아젠 나노섬유의 제조

  • Kang, Sang-Wook (Department of Organic Materials and Fiber Engineering, Soongsil University) ;
  • Kwon, O-Min (Department of Organic Materials and Fiber Engineering, Soongsil University) ;
  • Choi, Hyung-Min (Department of Organic Materials and Fiber Engineering, Soongsil University) ;
  • Kwark, Young-Je (Department of Organic Materials and Fiber Engineering, Soongsil University)
  • 강상욱 (숭실대학교 유기신소재.파이버공학과) ;
  • 권오민 (숭실대학교 유기신소재.파이버공학과) ;
  • 최형민 (숭실대학교 유기신소재.파이버공학과) ;
  • 곽영제 (숭실대학교 유기신소재.파이버공학과)
  • Published : 2008.12.31
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Abstract

Nanofibers of phenylsilsesquiazanes (SSQZ), as a precursor of inorganic silicon nitride nanoweb, was prepared using the electrospinning process. The SSQZ was prepared by ammonolysis of phenyl trichlorosilane and condensation of the resulting aminosilanes. The molecular weight of resulting SSQZ increased with initial concentration of phenyl trichlorosilane, reaching plateau above 20wt% of the silane. When the SSQZ was electrospun alone, it did not form fiber even with 20wt% concentration of SSQZ. However, it was possible to prepare fibers by adding poly(ethylene oxide) (PEO) as a viscosity enhancer. The diameter the of electro spun fibers was modified by the total polymer content and the content of PEO. The best result was obtained when the total concentration of the polymer was in the range of 15 to 20 wt% while the SSQZ/PEO ratio was 95/5.

Keywords

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