Elastomers and Composites

The Rubber Society of Korea (한국고무학회)
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Preparation and Characterization of Antimicrobial Polyurethane Foam Modified by Urushiol and Cardanol

우루시올과 카다놀을 이용한 항균성 폴리우레탄 폼의 합성에 관한 연구

  • Kim, S.B. (Department of Chenical Engineering, Kyonggi University) ;
  • Kang, S.K. (Department of Chenical Engineering, Kyonggi University) ;
  • Cho, I.S. (Department of Chenical Engineering, Kyonggi University)
  • Published : 2008.06.30
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Abstract

Thermal and mechanical properties of flexible polyurethane foam modified by urushiol and cardanol which have been known to be antibiotic were investigated. It was observed from FT-IR spectra analysis that the urushiol reacted with isocyanate was participated in synthesis of polyurethane. It was also seen that the modification using urushiol and cardanol made the PU more thermally stable without deterioration of mechanical properties. The modified PU foams showed increased antibacterial properties compared with neat PU foam.

항균 기능이 있는 것으로 알려진 우루시올과 카다놀을 폴리우레탄 제조시 첨가하여 항균 기능을 갖는 폴리우레탄 폼을 제조하였다. 이 항균 첨가물이 MDI와 화학 반응하여 폴리우레탄 합성에 참여한다는 것을 FT-IR을 사용하여 확인하였다. 우루시올과 카다놀을 첨가하여 제조된 폴리우레탄 폼의 물성 변화는 없었으며 우루시올과 카다놀로 각각 공중합된 폴리우레탄폼의 열적 안정성이 항균물질 미처리된 폼 보다 향상된 것을 TGA를 이용하여 확인 할 수 있었다. 또한 대장균을 균주로 이용하여 항균테스트를 실시한 결과 균 감소율이 99%까지 나타났으며 이러한 항균성이 지속적임을 알 수 있었다.

Keywords

References

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