Abstract
The preparation of elastomers based on blends containing oligoetherurethane diepoxide (OUDE) and low-molecular-weight diglycidylurethane (DGU) has been described. For both the composition and cured elastomer, the dependence of the properties on the DGU fraction in the initial blend has been studied. It is shown that, at an equimolar ratio of DGU and OUDE, the physicomechanical characteristics properties of the elastomers have been shown to be significantly higher than those for OUDE-based elastomers. A 1.5- to 2-fold decrease in the degree of equilibrium swelling has been observed at a 0.5 mole fraction of DGU, if compared to OUDE-based elastomers.
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