Halved Space Charge
The propenyl phase separated from impact polypropylene copolymer exhibits nonlinear DC conductivity, high mismatch with the vinyl phase, and significantly reduced space charge accumulation and electric field distortion compared to untreated IPC.
Yang, Jiaming · Zhao, Xindong · Yang, Xu · Wang, Kai · Dianyu, Wang · Zhe, Fu
Polymers 2025
Maximum space charge density reduced by about 1/3 at 50 °C and about 50% at 80 °C
DC conductivity mismatch between propenyl and vinyl phases from several to hundreds of times
Time for charge dissipation to reach stability during depolarization shortened