【摘要】 对炭黑填充聚合物基PTC材料进行了较为全面的论述,介绍了此类材料的导电机理,总结了影响其PTC效应的主要因素,并对该材料的应用和发展方向进行了详细的讨论。更多还原

【Abstract】 Carbon black filled polymer composites have the characteristic of positive temperature coefficient(PTC) effect.This paper is devoted to the introduction of conduction mechanisms,main factors which have great influence on PTC effects,important applications as well as the trends of development of this kind of PTC polymer material.更多还原