Abstract
The formation of water tree in XLPE insulation material was inhibited by adding EAA(Ethylene Acrylic Acid),DBS(dibenzylidene sorbitol) into cross-linked polyethylene-based materials. The mixture was crosslinked through mixing and tabletting the blend at 160 degrees. The effect of additive content on the length of the water tree was investigated. The water tree cultivation experiment showed that the length of water tree decreased with increasing of the content of EAA and DBS in the modified compound.Its full property experiments results showed that the property of the insulation material fully meet the related requirements for the use of anti-watertreeing XLPE cable.
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