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本文首先讨论了合成膜电阻性能上缺点的根源,作者认为:在薄膜成分中加入合成树脂的增塑剂,可以提高薄膜的弹性和炭黑颗粒在薄膜中均匀的分布,从而改善电阻器的主要电性能。 本文扼要叙述了苯二甲酸二丁酯为增塑剂时在合成膜中的作用机理,并详细论述了此种材料对合成膜电阻器的温度系数、电压系数、噪音电平等性能的影响。 文中结论指出,在合成膜成分中加入10％量的苯二甲酸二丁酯对上述主要电性能都有一定程度的改进,而对电阻器的热稳定性无不良影响。
This paper first discusses the shortcomings of synthetic membrane resistance on the root causes of the author believes that: the composition of the film by adding synthetic plasticizers, can increase the flexibility of the film and carbon black particles in the film uniform distribution, thereby improving the main resistor Electrical properties. This article briefly describes the mechanism of action of dibutyl phthalate as a plasticizer in the synthesis of membranes and discusses in detail the influence of such materials on the temperature coefficient, voltage coefficient and noise level of the composite membrane resistor. The paper concludes that the addition of 10% dibutyl phthalate to the composition of the composite films improves the above electrical properties to some extent without adversely affecting the thermal stability of the resistors.