Studies on heterocyclic polyurea–epoxy resin condensation products

Studies on heterocyclic polyurea–epoxy resin condensation products Polyureas having different heterocyclic groups were reacted, respectively, with commercial epoxy resins, i.e., diglicidyle ether of bisphenol A and brominated DGEBA. The resultant polyurea–epoxy systems were designated as I(a–f) and II(a–f), respectively. All the polyurea–epoxy systems were characterized by FTIR spectral studies, thermogravimetric analysis and number average molecular weight, estimated by non-aqueous conductometric titration. The polyurea–epoxy systems were then mixed with appropriate amounts of DGEBA epoxy resin, monitored for differential scanning calorimetry, and, based on this, glass fiber-reinforced composites were prepared. All the resultant laminates were characterized by physical and mechanical properties. Research on Chemical Intermediates Springer Journals

Studies on heterocyclic polyurea–epoxy resin condensation products

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Springer Netherlands
Copyright © 2011 by Springer Science+Business Media B.V.
Chemistry; Catalysis; Physical Chemistry; Inorganic Chemistry
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