Abstract
Kinetics of curing of structurally different epoxy oligomers (ED-20 and PDI-3AK resins) in a mixture with other low-molecular-weight epoxy oligomers and plasticizers by the eutectic mixture of aromatic amines UP-0638/1 is studied by the DSC method. The activation energy and the heats of curing reactions are determined. It is established that crosslinked epoxy polymers cured at moderate temperatures (40–80°C) are strong moisture-resistant compositions with different mechanical characteristics. Plasicized elastomers based on PDI-3AK resin with glass transition temperatures of −78 and −95°C are freeze-and heat-resistant materials.
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Original Russian Text © M.S. Fedoseev, L.F. Derzhavinskaya, N.S. Valeev, S.N. Chulanova, V.D. Yampol’skaya, 2007, published in Klei. Germetiki. Tekhnologii, 2007, No. 6, pp. 22–24.
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Fedoseev, M.S., Derzhavinskaya, L.F., Valeev, N.S. et al. Curing of epoxy oligomers by the eutectic mixture of aromatic amines. Polym. Sci. Ser. D 1, 41–43 (2008). https://doi.org/10.1134/S1995421208010139
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DOI: https://doi.org/10.1134/S1995421208010139