Abstract
AbstractEthyl methacrylate(EMA)‐n‐butyl methacrylate (nBuMA) copolymer containing anhydrous ferric chloride was prepared by free radical polymerization at 70°C. TGA studies show that the addition of ferric chloride increases the thermal stability of the copolymer. Mössbauer studies of the copolymers showed the presence of Fe3+ species only. Mössbauer studies of the copolymer heated at 150°C, 250°C, and 500°C for 1 h showed that during the thermal degradation, Fe3+ species are reduced to Fe2+ and then finally α‐Fe2O3 is formed. The mechanism of thermal degradation has been proposed on the basis of IR, TGA, and Mössbauer studies.
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