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Graphene oxide, a kind of nano-fillers with desirable thermal and electrical properties, could be added to epoxy resin and achieve satisfactory dispersion status due to its hydrophilicity, which lend great help to the preparation of samples. Graphene oxide could be mixed with water since its functional groups, O-H is in harmony with water's functional groups. Furthermore, epoxy resin, flexibilizer,...
The mechanical and dielectric properties change significantly when the temperature is close to the glass transition temperature (Tg) for epoxy resin, which is a dry-type insulation materials used in the high voltage direct current (HVDC) power transmission system. In order to study the effect of dynamic glass transition on space charge behavior in epoxy resin, samples with Tg as approximately 82 °C...
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