High temperature macromolecular PTC materials were prepared by using of polyvinyl chloride (PVC) and ethyne carbon black (CB) as precursors.

• 以聚氯乙烯(PVC)和炭黑(CB)为原料,加入抗氧剂1010,通过混合、混炼、模压制备PVC/CB高分子复合高温PTC材料。