A method is proposed for the mass spectrometric analysis of volatile products from the thermal decomposition of esters of dibasic C10 acids and neopentyl alcohols. By this method, the product composition can be determined at temperatures up to 450°C, as well as the rate of formation of individual components under isothermal conditions.
This method has been used to study the composition of the volatile products obtained in thermal decomposition of a polyester of sebacic acid, neopentyl glycol, and neopentyl alcohol at temperatures from 200 to 440°C. It has been shown that these products contain olefinic hydrocarbons with two to five carbon atoms. As the temperature is increased from 200 to 440°C, the ethylene content increases to 67%. The rate of ethylene formation is exponentially dependent on temperature.
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A. A. Polyakova and R. A. Khmel'nitskii, Introduction to Mass Spectrometry of Organic Compounds [in Russian], Khimiya, Moscow (1966).
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Translated from Khimiya i Tekhnologiya Topliv i Masel, No. 8, pp. 48–51, August, 1974.
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Sosulina, L.N., Klimov, K.I. Mass-spectrometric analysis of volatile products from thermal decomposition of esters of C10 dibasic acids and neopentyl alcohols. Chem Technol Fuels Oils 10, 642–645 (1974). https://doi.org/10.1007/BF00726382
- Thermal Decomposition
- Individual Component