期刊
INDOOR AIR-INTERNATIONAL JOURNAL OF INDOOR AIR QUALITY AND CLIMATE
卷 11, 期 3, 页码 150-155出版社
MUNKSGAARD INT PUBL LTD
DOI: 10.1034/j.1600-0668.2001.011003150.x
关键词
phthalic acid esters; chamber emission test; fogging; plasticizer; PVC; wallcoverings
Phthalic acid esters are important additives in polyvinyl chloride (PVC) products. Since PVC plastisoles for the production of wallcoverings contain about 30% phthalic acid esters, it is a crucial question whether these products can contribute to the pollution of the indoor environment. In this study, the emission of several technically relevant phthalates from PVC-coated wallcoverings were measured in emission test chambers under standard room conditions. During a 14-day test period, both the chamber air concentrations and the condensation on a cooled plate (fogging) were determined. In the chamber air, maximum concentrations of 5.1 mug/ml for di-n-butvlphthalate (DBP), 2.08 mug/m(3) for di-pentylphthalate (DPP) and 0.94 mug/m(3) for di-(2-ethythexyl)phthalate (DEHP) were found. After 14 days of exposure, up to 60.4 mug DEHP and 17.7 mug DPP could be quantified on the cooled plates of the fogging apparatus. The amounts of DBP and DIBP were significantly lower. A simple exposure calculation indicated no specific risk of an increased phthalate exposure in rooms with PVC wallcoverings.
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