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功能高分子复合材料热敏特性的主要表征参数，包括室温电阻率、稳态发热功率、稳态表面温度和升阻比等。通过研究导电物质的品种和含量对功能材料热敏特性的影响，论证了配方优化设计的基本原则。经配方优选的功能材料，既具有较高的发热功率（较低的室温电阻率），又具有优良的阻温特性和控温性能。通过多次热循环老化和长期通电实验后，该材料的升阻比、室温电阻率等特性参数变化不大，长期老化稳定性优于国内同类产品。实验结果证实了新研制的功能复合材料具有优良的热敏特性和广泛的使用价值，值得推广应用。
The main characterization parameters of the thermosensitive properties of functional polymer composites include room temperature resistivity, steady-state heating power, steady-state surface temperature and lift-drag ratio. By studying the influence of the varieties and contents of conductive materials on the thermal characteristics of functional materials, the basic principles of formulation optimization design are demonstrated. The formulation of the preferred functional material, both with high heating power (low room temperature resistivity), but also has excellent resistance to temperature characteristics and temperature control performance. After repeated heat cycle aging and long-term power-on experiments, the material has little change in the specific resistance such as the specific resistance of the material and the specific resistance at room temperature. The long-term aging stability is superior to that of similar products in China. Experimental results confirmed that the newly developed functional composite has excellent thermal properties and a wide range of use value, which is worth popularizing and applying.