Thermal degradation of fluorotelomer treated articles and related materials |
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Authors: | Yamada Takahiro Taylor Philip H Buck Robert C Kaiser Mary A Giraud Robert J |
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Affiliation: | Environmental Engineering Group, University of Dayton Research Institute, 300 College Park, Dayton, OH 45469-0114, USA. |
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Abstract: | This study reports the first known studies to investigate the thermal degradation of a polyester/cellulose fabric substrate ("article") treated with a fluorotelomer-based acrylic polymer under laboratory conditions conservatively representing typical combustion conditions of time, temperature, and excess air level in a municipal incinerator, with an average temperature of 1000 degrees C or greater over approximately 2s residence time. The results demonstrate that the polyester/cellulose fabric treated with a fluorotelomer-based acrylic polymer is destroyed and no detectable amount of perfluorooctanoic acid (PFOA) is formed under typical municipal incineration conditions. Therefore, textiles and paper treated with such a fluorotelomer-based acrylic polymer disposed of in municipal waste and incinerated are expected to be destroyed and not be a significant source of PFOA in the environment. |
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