Abstract
Transformations in the course of high-temperature modification of polyolefins under action of sulfur-containing modifiers have been studied using hexene-1 and hexane as model compounds. Composition of products of thermolysis of bis[3-(3,5-di-tert-butyl-4-hydroxyphenyl)propyl] disulfide and bis[3-(3,5-di-tert-butyl-4-hydroxyphenyl)propyl] sulfide at 200–270°C has been elucidated by means of thermogravimetry and gas chromatography-mass spectrometry. Mechanism of olefins modification with sulfides and disulfides involving the formation of biradical intermediates is discussed.
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Original Russian Text © A.P. Krysin, L.M. Pokrovskii, A.A. Nefedov, I.K. Shundrina, B.A. Selivanov, 2015, published in Zhurnal Obshchei Khimii, 2015, Vol. 85, No. 3, pp. 498–505.
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Krysin, A.P., Pokrovskii, L.M., Nefedov, A.A. et al. Mechanism of low-molecular alkenes interaction with sulfur-containing spatially hindered phenols under conditions of thermal modification of polymer materials. Russ J Gen Chem 85, 659–666 (2015). https://doi.org/10.1134/S1070363215030226
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DOI: https://doi.org/10.1134/S1070363215030226