SMA-Modified PP Insulation

Suppresses space charge at high temp

Introduces styrene-maleic anhydride copolymer into PP insulation, creating deep traps that suppress space charge and enhance DC field endurance.

Zhan, Yunpeng · Yang, Xu · Yang, Jiaming · Hou, Shuai · Fu, Mingli

Polymers 2023

Advantages

Improved DC properties at 30, 50, and 70 °C

Significantly suppressed space charge in PP and PP/POE systems

Excellent electric field distortion resistance