Textile Science and Engineering (한국섬유공학회지)

The Korean Fiber Society (한국섬유공학회)
권호 표지

Preparation of Biological Adhesives from Chitosan by Chemical Modification

키토산의 화학적 재질에 의한 생물학적 접착제의 제조

  • Min Kyung Dan (Department of Textile Engineering, Chungnam National University) ;
  • Park Won Ho (Department of Textile Engineering, Chungnam National University) ;
  • Yoo Dong Il (Department of Textile Engineering, Chonnam National University) ;
  • Hudson Sam (Fiber and Polymer Science Program, North Carolina State University)
  • Published : 2005.02.01
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Abstract

N-pentyl chitosan was prepared by the reaction with n-butyl aldehyde using different n-butyl aldehyde/chitosan ratio. Degree of substitution ($\%$) to amino group in chitosan gradually increased from 45.2 to 99.5 mol$\%$ for the n-butyl aldehyde/chitosan ratio from 1 to 5. The N-pentyl chitosan showed lower water contact angle and water retention value than original chitosan, indicating its higher hydrophobicity. From the evaluation of bonding strength with porcine skin, the N-pentyl chitosan showed higher bonding strength. This suggests that the hydrophobic interaction as well as the hydrophilic interaction plays an important role in bioadhesion.

Keywords

References

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