Abstract: Emissions of volatile organic compounds (VOCs) and carbonyls from three types of commercially available wallpapers (i.e., PVC-coated, paper-backed, natural material-coated) in Korea were evaluated using a 20 L small chamber. A total of 332 products were tested for emission factors, frequencies of occurrence and composition ratios. Toluene and formaldehyde concentrations were below Korean standard values for all products; however, the total VOC (TVOC) concentrations exceeded current standards (4.0 mg/m2·h) for 30 products. The TVOC emission factor for PVC-coated wallpapers, for which polymer materials are used in the manufacturing process, was seven and 16 times higher than those of paper-backed and natural material-coated wallpapers, respectively. The detection frequencies for toluene and formaldehyde were the highest (82.5%) and fourth highest (79.5%), respectively among the 50 target chemical species. The composition ratios for BTEX ranged from 0.3% to 5.1% and unidentified VOCs, which were not qualitatively analyzed using standard gas methods, ranged from 90.2% to 94.8%. Among six carbonyl compounds (acrolein was not detected in any type of wallpaper), acetone had the highest concentrations in PVC-coated (44.6%) and paper-backed (66.6%) wallpapers. Formaldehyde emissions were highest (64.6%) for natural material-coated wallpapers, a result of the formaldehyde-based resin used in the manufacturing process for these products.
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Lim, J.; Kim, S.; Kim, A.; Lee, W.; Han, J.; Cha, J.-S. Behavior of VOCs and Carbonyl Compounds Emission from Different Types of Wallpapers in Korea. Int. J. Environ. Res. Public Health 2014, 11, 4326-4339.
Lim J, Kim S, Kim A, Lee W, Han J, Cha J-S. Behavior of VOCs and Carbonyl Compounds Emission from Different Types of Wallpapers in Korea. International Journal of Environmental Research and Public Health. 2014; 11(4):4326-4339.
Lim, Jungyun; Kim, Suejin; Kim, ARong; Lee, Wooseok; Han, Jinseok; Cha, Jun-Seok. 2014. "Behavior of VOCs and Carbonyl Compounds Emission from Different Types of Wallpapers in Korea." Int. J. Environ. Res. Public Health 11, no. 4: 4326-4339.