纳米SiO2改性硅树脂天线罩涂层性能测试

随着现代导弹技术的快速发展,石英陶瓷天线罩得到广泛应用,但因其自身的易吸潮、耐污差等缺点,性能优异的天线罩防潮涂料的研制显得至关重要。本文通过对现有硅树脂进行改性制备了纳米SiO_2改性硅树脂涂层,并进行了相关性能测试分析。测试表明。改性后的硅树脂涂层吸水率明显下降,电性能优异,比现有纯硅树脂涂料硬度更高,耐热性更好。

Testing of the Properties of Silicone Resin Coating Modified with Nano SiO2 for Quartz Radome

With the rapid development of modern missile technology, quartz ceramic radome has been widely used. In order to prevent moist absorbing and improve the anti-pollution performance of quartz ceramics, a high performance moisture-proof coating should be used. In this paper, a nano-SiO2-modified silicone resin coating was prepared and tested. It was shown that, after being modified by adding nano SiO2, the coating exhibits a significant reduction in water absorption and excellent electrical properties. Furthermore, the modified coating exhibits higher hardness and better heat resistance than the conventional pure silicone resin coating.