Journal of Environmental Science International (한국환경과학회지)

The Korean Environmental Sciences Society (한국환경과학회)
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Oil Absorbencies of Fibers of Biodegradable and Microbial Polymers Prepared by Electrospinning Method

전기방사에 의한 미생물 합성 생분해성 고분자 섬유의 Oil 흡수

  • Jang, Ei-Sup (Department of Polymer Engineering, Pukyong National University) ;
  • Lee, Won-Ki (Department of Polymer Engineering, Pukyong National University) ;
  • Park, Chan-Young (Department of Polymer Engineering, Pukyong National University) ;
  • Min, Sung-Kee (Department of Polymer Engineering, Pukyong National University) ;
  • Jang, Seong-Ho (Department of Bioenvironmental Energy, Pusan National University)
  • 정의습 (부경대학교 고분자공학과) ;
  • 이원기 (부경대학교 고분자공학과) ;
  • 박찬영 (부경대학교 고분자공학과) ;
  • 민성기 (부경대학교 고분자공학과) ;
  • 장성호 (부산대학교 바이오환경에너지학과)
  • Received : 2012.11.30
  • Accepted : 2013.02.08
  • Published : 2013.02.28
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Abstract

Fibers of microbial polyesters, poly(3-hydroxy butyrate) (PHB) and poly(3-hydroxy butyrate-co-3-hydroxy valerate) (HB-co-HV) were prepared by electrospinning method. The obtained fibers were evaluated by differential scanning calorimetry, scanning electron microscopy, and oil absorption. The formation of fibers was strongly dependent on a concentration of solution. At a low concentration, the fibers contained beads which is from aggregation of polymer due to short evaporation time. The fine fibers with $2-5{\mu}m$ diameter were obtained at 20 wt% concentration. The contact angle measurement showed that the fiber had higher water contact angle than the film due to the lotus-like effect. Oil absorbency showed that the fiber had higher than the film. Specially, the HB-co-HV fiber which was spinned from 20 wt% absorbed 65% oil which is much higher than that of a normal polypropylene-based oil paper.

Keywords

References

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