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抗冠状病毒环氧树脂纳米复合材料的非线性导电性和热稳定性

Yanli Liu¹, Junguo Gao¹, Ning Guo¹

¹Key Laboratory of Engineering Dielectrics and Its Application, Ministry of Education, College of Electrical and Electronic Engineering, Harbin University of Science and Technology, Harbin 150080, China.

|May 11, 2024

概括

使用碳化 (SiC) 和有机蒙莫里隆石 (O-MMT) 等纳米填料的高性能抗冠状病毒涂料提高了机动车辆的安全性. 该O-MMT/SiC/EP复合材料显示了增强的热稳定性和电气性能,延长了电机的寿命.

科学领域:

材料科学材料科学材料科学
电气工程电气工程
聚合物科学聚合物科学

背景情况:

长时间的电机运行会降解抗冠状病毒涂料,影响表面导电性和非线性系数,从而降低电机寿命和安全性.
开发先进的抗冠状病毒涂料对于确保大型电机的可靠和安全运行至关重要.

研究的目的:

调查纳米填充剂,特别是碳化 (SiC) 和有机蒙莫里隆石 (O-MMT) 对以环氧树脂为基础的抗冠状病毒涂料性能的影响.
在老化条件下评估新型抗冠状病毒涂料配方的热电性能.

主要方法:

三种抗冠状病毒涂料类型的配方:SiC/EP,Nano-SiC/EP和O-MMT/SiC/EP,将微米和纳米填充剂纳入环氧树脂矩阵中.
涂料性能的表征,包括玻璃过渡温度,表面导电性,非线性系数和介电热稳定性.
通过在不同温度下进行老化测试来评估性能评估,以评估随时间变化的性能稳定性.

主要成果:

这种O-MMT/SiC/EP复合物表现出明显更高的玻璃过渡温度 (约. 与SiC/EP相比增加了25°C),这表明它具有优越的热性能.
纳米填充剂的引入显著提高了表面导电性,在老化测试后观察到的波动范围减少.
该O-MMT/SiC/EP复合材料表现出优异的非线性系数 (1.382-1.465) 和优异的介电热稳定性,展现出卓越的耐热性.

结论:

纳米填料,特别是O-MMT和SiC,有效地提高了抗冠状病毒涂料的性能和寿命.
该O-MMT/SiC/EP复合材料提供卓越的热稳定性和电气性能,使其成为改善大型电机安全和运行寿命的有希望的候选人.

关键词:

环氧树脂是一种环氧树脂.玻璃过渡温度是玻璃过渡温度.纳米电器的使用不线性导电性的非线性导电性.热稳定性的热稳定性

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