ペルオキシド-オキシム化合物系によるエチレン-プロピレン加硫ゴムの耐熱性

概要

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The heat resistance of ethylene propylene rubber (EPDM) in peroxide cure with cross linking additives such as p-quinone dioxime (GM) and p p′-dibenzoyl quinone dioxime (DGM) was investigated by three different methods : stress relaxation method, oxygen absorption method and test tube aging method. From the results it was found that the peroxide-cured rubbers in the presence of the cross linking coagents such as DGM and GM, showed superior heat resistances in any of these three measuring methods.