Abstract
The effect of various sulfonating agents (Chlorosulfonic acid and Trimethylsilylchlorosulfonate (TMSCS) on the performance of Polysulfone (PSU) nanocomposite membranes was investigated. FTIR and 1H NMR results confirmed the sulfonation reaction. Sulfonation of PSU as well as incorporation of Cloisite 30B (C30B) as a filler, resulted in an increase of proton conductivity, water uptake and glass transition temperature (Tg). Thermogravimetric analysis (TGA) exhibited a decrease in decomposition temperature with sulfonation.XRD confirmed positive interaction between C30B and SPSU. Surface and cross-sectional morphology of the membranes were studied using SEM.
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