Synthesis and thermal properties of asymmetrical azo-peresters |
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| Authors: | Barbara Hefczyc Jan Zawadiak Henryk Janeczek Marek Kowalczuk and Beata Orlińska |
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| Institution: | (1) Department of Organic Chemical Technology and Petrochemistry, Silesian University of Technology, Gliwice, Poland;(2) Center of Polymer and Carbon Materials, Polish Academy of Sciences, Zabrze, Poland |
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| Abstract: | Abstract New asymmetrical azo-perester derivatives of tert-butyl and tert-amyl hydroperoxides were obtained by reacting azo acids with hydroperoxides in the presence of N,N′-carbonyldiimidazole. The obtained azo-peresters possess two labile functional groups: the azo group and the perester group.
Data from dynamic differential scanning calorimetry (DSC) experiments indicate that the azo groups decompose at somewhat lower
temperatures than the perester groups. |
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