We are using TEG in our industry for dehydration of gas, during that process, we found some kind of elastomers formed inside of the pump. It showing predominant % T in FTIR, the wave no 1035 and 785 cm-1. From 4000 to 1500cm-1, no absorption bands. 1035 is due to C-O dialkyl stretch, what about 785? Then what kind of polymers formed from TEG under hot condition?

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