Journal of the Korean Society for Railway (한국철도학회논문집)

The Korean Society for Railway (한국철도학회)
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Characterization of Volatile Organic Compounds Emission from Interior Materials of Railway Passenger Cabin

철도차량용 내장재의 휘발성유기화합물 방출특성 분석

  • 조영민 (한국철도기술연구원 철도환경연구실) ;
  • 박덕신 (한국철도기술연구원 철도환경연구실) ;
  • 권순박 (한국철도기술연구원 철도환경연구실) ;
  • 박은영 (과학기술연합대학원대학교)
  • Published : 2008.04.30
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Abstract

The environmental significance of indoor air quality is gaining more attention. Especially, the contamination of indoor air by volatile organic chemicals (VOCs) has become a serious environmental concern. We investigated the VOCs emissions from some interior materials used in the conventional railway passenger cabin. The seat cover and the flooring of cabins were used as testing materials, and they were put in a clean environmental chamber. The temperature and relative humidity was kept at $25{\pm}1^{\circ}C$ and $50{\pm}5%$, respectively. It was found that these interior materials emitted significant amount of VOCs under constantly ventilated condition. The flooring emitted more halogenated VOCs than the seat cover, because it is made of PVC, which contains many chlorine atoms. However, the emission gradually decreased over time. Because the VOCs emission from interior materials may threaten the health of passengers in the cabin, interior materials emitting less VOCs should be used.

실내공기질의 중요성이 날로 부각되고 있다. 특히 휘발성유기화합물(VOCs)에 의한 실내공기의 오염은 매우 심각한 환경문제가 되고 있다. 이에 본 연구에서는 철도차량 객실용 시트커버와 바닥재를 대상으로 청정한 챔버 안에 넣고, 고정 환기 조건에서 VOCs 방출특성을 조사하였다. 챔버는 온도 $25{\pm}1^{\circ}C$, 상대습도 $50{\pm}5%$를 유지하면서 방출량을 조사하였다. 실험결과 바닥재가 시트커버보다 많이 양의 VOCs를 방출하는 것으로 나타났는데, 이는 바닥재가 PVC 재질이기 때문인 것으로 보인다. 방출량은 시간에 따라 점차 감소하였다.내장재에서 방출되는 VOCs는 객실 승객의 건강을 위협할 수 있으므로, VOCs를 덜 방출하는 내장재가 사용되어야 한다.

Keywords

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