Abstract

Abstract Epoxy resin is widely used in the insulation packaging field of electrical equipment due to its advantages such as low cost, excellent insulation, and mechanical properties. However, the thermal conductivity and the heat resistance of domestic epoxy insulation packaging materials make it difficult to meet the increasingly demanding operating conditions of electrical equipment. This article investigated the effects of active diluents with different functional group numbers on the glass transition temperature, mechanical strength, and low-temperature cracking resistance of epoxy materials. Four functional group active diluents were selected as additives to reduce the viscosity of epoxy resin, and the influence of diluent content on the comprehensive performance of epoxy resin was studied and analyzed.

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