Textile Science and Engineering (한국섬유공학회지)

The Korean Fiber Society (한국섬유공학회)
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Crosslinking of Poly(vinyl alcohol)/N-(2-Hydroxy)propyl-3-trimethylammonium Chitosan Chloride Blend Films with Glutaraldehyde

글루타르알데히드에 의한 폴리(비닐 알코올)/N-(2-하이드록시)프로필-3-트리메틸암모늄 키토산 클로라이드 블렌드 필름의 가교

  • 김영호 (숭실대학교 공과대학 섬유공학과) ;
  • 이은영 (숭실대학교 공과대학 섬유공학) ;
  • 최재원 (숭실대학교 공과대학 섬유공학과)
  • Published : 2004.06.01
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Abstract

To improve water resistance of the blend films of poly(vinyl alcohol) (PVA) and N-(2-hydroxy)propyl-3-trimethylammonium chitosan chloride (HTCC), crosslinking was introduced by using glutaraldehyde (GA) solution. The changes in characteristics of the blend films crosslinked with different concentrations of GA solution were evaluated with FT-IR, DMA and measurements of swelling and bacterial reduction. The IR peak analysis of the hydroxyl groups in the blend film indicated that the aldehyde groups of GA reacted with the hydroxyl groups of PYA and HTCC and that the crosslinking reaction was predominant in the hydroxyl groups of PVA rather than those of HTCC. Crosslinked PVA/HTCC blend films showed higher peak temperature in tan $\delta$ curves compared to uncrosslinked ones, the temperature being increased with GA concentration. Although uncrosslinked PVA/HTCC blend films showed excellent bacterial reduction, the introduction of crosslinks deteriorated the antimicrobial activity. It decreased more with increasing GA concentration.

Keywords

References

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