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The Korean Society for Biotechnology and Bioengineering (한국생물공학회)
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Development of Formaldehyde-shielding Chitosan-gel Sheet

키토산 겔을 이용한 포름알데하이드 차폐 시트 개발

  • Kim, So-Yeon (Department of Chemical & Biological Engineering and ERI, Gyeongsang National University) ;
  • Kim, Mi-So (Department of Chemical & Biological Engineering and ERI, Gyeongsang National University) ;
  • Tak, Sang Min (Department of Chemical & Biological Engineering and ERI, Gyeongsang National University) ;
  • Lee, Ji Whan (Department of Chemical & Biological Engineering and ERI, Gyeongsang National University) ;
  • Sim, So Yeon (Department of Chemical & Biological Engineering and ERI, Gyeongsang National University) ;
  • Joo, Eun Hee (Department of Chemical & Biological Engineering and ERI, Gyeongsang National University) ;
  • Kim, Sung Bae (Department of Chemical & Biological Engineering and ERI, Gyeongsang National University) ;
  • Kim, Chang-Joon (Department of Chemical & Biological Engineering and ERI, Gyeongsang National University)
  • 김소연 (경상대학교 생명화학공학과 및 공학연구원) ;
  • 김미소 (경상대학교 생명화학공학과 및 공학연구원) ;
  • 탁상민 (경상대학교 생명화학공학과 및 공학연구원) ;
  • 이지환 (경상대학교 생명화학공학과 및 공학연구원) ;
  • 심소연 (경상대학교 생명화학공학과 및 공학연구원) ;
  • 주은희 (경상대학교 생명화학공학과 및 공학연구원) ;
  • 김성배 (경상대학교 생명화학공학과 및 공학연구원) ;
  • 김창준 (경상대학교 생명화학공학과 및 공학연구원)
  • Received : 2014.04.12
  • Accepted : 2014.05.09
  • Published : 2014.06.30
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Abstract

Sick-building syndrome occurs when indoor air is polluted with harmful volatile organic compounds such as formaldehyde which are contained in furniture or new building materials. In this study, formaldehyde-shielding chitosangel sheet was developed and its performance was evaluated. Chitosan and agar were dissolved in acetic acid solution. The optimal concentrations of chitosan, acetic acid and agar were 3, 3, and 2.5 %(w/w). Formaldehyde was spreaded on gypsum board and then wall paper was attached on it by using glue. When chitosan-gel sheet was attached on this control board, the amount of formaldehyde released from the board was decreased by 63% than in control board. On the other hand, decrease in formaldehyde releasing was only 32% when liquid solution of chitosan was spreaded on the control board. This result clearly indicates that chitosan-gel sheet removes formaldehyde more effectively than liqud solution of chitosan. Furthermore, this type of sheet is more applicable to new building than spraying type.

Keywords

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