【摘要】 本文通过参考近几十年来国内外对PTC材料的研究成果,全面介绍了聚合物-炭黑复合型PTC材料的导电特性及影响因素,并简述了应用开发方面取得的成果,对其发展方向提出了自己的见解。更多还原

【Abstract】 The conductive characteristics and various influential factors ofpolymer-carbon black composites having PTC effect are introduced comprehensively by consulting the research achievements on PTC materials in and outside China in recent decades. The achievements of exploitation are introduced concisely. The author’s own oppinions on future developments of the PTC materials are also proposed.更多还原