Thermo-oxidative Oligomerization of Aromatic Diamine

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By:Zaitsev Boris A., Kleptsova Larisa G., Shvabskaya Irina D., Bursian Anna E.

DOI: https://doi.org/10.30564/opmr.v3i1.3612

Abstract: Molecular spectroscopy (electronic, FT-IR, NMR), methods of thermal and elemental analysis were used for the first time to describe the process of thermo-oxidative oligomerization of 1,3-bis-(4-aminophenoxy)benzene. Introduction of this monomer into linear and network copolymers makes it possible to improve processability, mechanical strength and heat resistance of materials. The structures of copolymers obtained by thermo-oxidation of the diamine in various thermal regimes were studied. It was demonstrated that during prolonged heating of this diamine in air in the temperature range from 220 to 320°C, oligomeric aromatic diamines were formed; these products contained fragments of benzenoid and quinoid types. References:

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