The products and mechanism of the thermal oxidative degradation of poly(ethylene oxide) at 150 °C have been analysed using 1H and 13C 1‐D and 2‐D NMR spectroscopy, including COSY, HMQC, HMBC and DOSY techniques. Peaks from methanoate ester chain ends (in the majority), in‐chain esters, peroxy groups, acetal links and ethanoyl chain ends have been assigned. Two small molecule degradation products, 2‐hydroxyethyl methanoate and ethylene glycol dimethanoate have been identified.
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Mkhatresh et al. (2004) studied this question.
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