Based on the HDPE/CB, this paper discussed the effect of the type and quantity of CB and coupling agent on the performance of PTC conductive composite, and the mechanism of coupling grafting.

• 以HDPE/工业炭黑 (CB)复合材料为研究对象 ,考察了炭黑及偶联剂种类、用量对高分子PTC(正温度系数 )导电材料性能的影响 ,并探讨了偶联接枝机理 ,从理论上对改性效果进行了分析。