Textile Coloration and Finishing (한국염색가공학회지)

The Korean Society of Dyers and Finishers (한국염색가공학회)
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Separation Performance and Application of Sericin Protein in Silk Degumming Solution(2)

실크 정련 세리신 단백질의 분리특성과 응용(2)

  • Cha, Chin-U (FITI Testing & Research Institute) ;
  • Park, In-Woo (Dept. of Textile Engineering, Chungnam National University) ;
  • Bae, Kie-Seo (Dept. of Textile Engineering, Chungnam National University) ;
  • Hong, Young-Ki (Dept. of Costume Design, Konyang University) ;
  • Lee, Seo-Hee (Dept. of Costume Design, Konyang University) ;
  • Kim, Yong-Duck (Dept. of Costume Design, Konyang University)
  • 차진우 (FITI시험연구원) ;
  • 박인우 (충남대학교 바이오응용화학부 유기소재섬유시스템) ;
  • 배기서 (충남대학교 바이오응용화학부 유기소재섬유시스템) ;
  • 홍영기 (건양대학교 공연의상학과) ;
  • 이서희 (건양대학교 공연의상학과) ;
  • 김용덕 (건양대학교 공연의상학과)
  • Received : 2010.03.19
  • Accepted : 2010.05.12
  • Published : 2010.06.27
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Abstract

Sericin pulverization process was applied by freezing-thawing of sericin protein concentration solution and physicochemical properties of sericin/chitosan blended films were investigated. In sericin pulverization process by freezing-thawing method, the refrigeration storage at $4^{\circ}C$ maximized gelling between sericin molecules, which increased 10% of recovery ratio from sericin concentration solution that using ultrafiltration procedure. In physicochemical properties of sericin/chitosan blended films, the maximum load of chitosan (6.7kgf) had higher than that of sericin (1.2kgf), and the elongation of sericin and chitosan had 96% and 34%, respectively. Also FT-IR analysis of sericin/chitosan blended films showed that both sericin and chitosan films had amide I peak (N-H bond) in $1,521cm^{-1}$ and amide II peak (C=O bond) in $1,630cm^{-1}$. In addition, it could confirm compatibility between both materials as indicated by the decrease in the amide I peak's absorption value as chitosan content increases.

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References

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