Higher moisture content is associated with greater emissions of DEHP from PVC wallpaper
作者： Nai-Yun Hsu , Yu-Chun Liu , Chia-Wei Lee , Ching-Chang Lee , Huey-Jen Su
DOI: 10.1016/J.ENVRES.2016.09.027
关键词: Plastic materials 、 Environmental science 、 Water content 、 Relative humidity 、 Animal science 、 Wallpaper 、 Phthalate 、 Moisture 、 Closed chamber 、 Precipitation
摘要: Abstract Water damage and moisture in buildings may become more prevalent due to the increasing frequency of extreme precipitation flooding events resulting from climate change. However, effects levels on phthalate emissions building materials are still underreported. This study aims evaluate effect content (MC) level di-(2ethylhexyl) (DEHP) emitted plastic wallpaper (0.22 wt% DEHP) within 15 days a closed chamber. A scenario short-term exposure DEHP suffering water was simulated. Experiments, controlled at 100% relative humidity (RH) air 28 °C, were conducted under following three conditions: (I) without (control chamber), (II) dry (MC 3.57%) (III) damp 52.31%). Air dust samples collected elapsed time 2, 4, 6, 8, 10, 13 days, wipe sample last day. Higher concentrations found be into adsorbed for wallpapers with higher MC%. exhibited an trend length experiment. Overall, it that approximately 35.31% total mass released air, compared wallpapers. It is concluded affected by inner percentage.
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