Abstract
The sorption and transport of sulfur dioxide (SO[sub 2]) in polymers is important in areas such as food packaging, polymer degradation, and sensors and monitoring devices. Another possible application is in pollution control for exhaust gases from power plants. Polysulfone is a polymer that is widely used for commercial gas separations with membranes. The authors have investigated the sorption and transport of SO[sub 2] in a commercially available Bisphenol A polysulfone near room temperature. The results were interpreted using the dual-mode sorption model with partial immobilization. Although similar data on other polymers have been published in the literature, they are not aware of any studies of sorption and transport of SO[sub 2] in polysulfone.
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