Introducing Chlorine Into Epoxy Resin to Modulate Charge Trap Depth in the Material

The epoxy insulators in dc gas-insulated transmission lines (GIL) tend to accumulate surface charges, which causes insulation flashover. Increasing the conductivity of resin, can restrain accumulation charges on insulator, is a potential method improve performance GIL insulators. polymer dielectric strongly influenced by charge trap characteristics polymer. In this work, we introduce chlorine with strong electronegativity and larger atomic radius into group segment resin distributed energy level structure, turn reduces electron depth, increase insulating material without affecting its intrinsic strength. Based results quantum chemistry calculation, modulation laws introduced (including form hydrolyzable atom nonhydrolyzable atom) levels molecule are anticipated. These explained from microscopic perspectives structure cloud offset. Both inductive effect conjugation 2p orbital oxygen impact changing spatial distribution density between valence bonds.