Architectural research

Architectural Institute of Korea (대한건축학회)
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Characteristics of Volatile Organic Compounds Emitted in Building Materials and Their Predictions of Time-dependent Variation

  • Pang, Seung Ki (Department of Building Services & Control System, Kyungmin College) ;
  • Sohn, Jang Yeul (School of Architecture, Hanyang University) ;
  • Lee, Kwang Ho (Department of Architectural Engineering, Hanyang University)
  • Received : 2004.12.17
  • Published : 2005.06.30
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Abstract

Unlike other countries, Korea uses various kinds of wall-paper as finishing material. Conventional wall-paper consists of paper and vinyl, and petrochemical ink is used for the decoration of the surface. Adhesive is used to paste the wall with the wall-paper, which emit substantial amounts of VOCs and formaldehyde. In this study, VOCs characteristics emitted from specimens made of concrete, mortar, gypsum board and wall-paper were investigated using small chamber method. Moreover, concentration and emission factor of BTEX(Benzene, Toluene, Ethylbenzene, m,p,o-Xylene) and TVOC were investigated, and concentration and emission factor decay were estimated. As a result of the prediction, both time-dependent concentration decay and cumulative concentration can be converted into the logarithmic scale. Furthermore, prediction equations were developed from the experimental results under accurately controlled experimental conditions. Therefore, there may be difference if the estimated equations are directly applied to real buildings. Further research should be done on the generalization of the developed prediction equations.

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References

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