聚合物PTC材料的研究与应用

Study on PTC Polpmer Materials and Their Application

对聚合物ＰＴＣ材料ＰＴＣ现象的几种解释作了介绍，着重讨论了其导电机制、影响电性能的主要因素及其在自动限温和过电流保护等领域的应用，简要说明了它的几种制作方法，并对当前该领域的发展趋势和最新研究开发进展作了较详细的介绍。

Some interpretation of PTCR phenomena in polymer materials are introduced.Conduction mechanism of the PTC polymers, main factors influencing on their electric properties and their application in temperature automatic restriction,overcurrent protection and the other fields are emphasised. Some methods to make them are briefly described.The recent research progress and development trends in this field are reported in detail.