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The physicochemical, thermomechanical, and elastic-strength characteristics of samples based on an oligoetheracrylate binder cured both under the action of only coherent UV radiation and with subsequent aftercuring in a UV oven were studied. It was established by differential scanning calorimetry that full curing of the polymeric matrix is not achieved by coherent UV radiation. The use of additional...
The published data on the synthesis of 4,4′-methylene bisanilines used as aromatic amine curing agents for epoxy resins have been analyzed. A most promising technological process for their preparation that can be applied to the synthesis of various derivatives is found. It consists in condensing the corresponding anilines with formaldehyde in the presence of an acid catalyst.
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