直接氟化对液态硅橡胶示踪性和耐蚀性的影响

2020 IEEE International Conference on High Voltage Engineering and Application (ICHVE) Pub Date : 2020-09-06 DOI:10.1109/ICHVE49031.2020.9279762

Tiaotiao Chen, Zihan Shen, Z. An, F. Zheng, Yewen Zhang

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引用次数: 3

摘要

为了提高不使用三水合氧化铝的加成固化液态硅橡胶(LSR)的跟踪性和耐冲蚀性，制备了不同质量分数的气相硅橡胶(LSR)样品。采用斜面试验对各试样进行了跟踪性和抗冲蚀性评价。试验结果表明，提高气相白炭黑的质量分数可以提高材料的跟踪性和抗冲蚀性。试验结果进一步表明，直接氟化对改善跟踪性和耐蚀性起到了非常重要的作用，含18 phr气相二氧化硅的样品在氟化后能够满足室外应用要求。

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Effect of Direct Fluorination on Tracking and Erosion Resistance of Liquid Silicone Rubber

Aiming to improve the tracking and erosion resistance of the addition-cure liquid silicone rubber (LSR) without using alumina trihydrate, LSR samples with different mass fractions of fumed silica were prepared. The tracking and erosion resistance of all the samples was evaluated by the Inclined-Plane Test. The test results showed that increasing the mass fraction of fumed silica can improve the tracking and erosion resistance. The test results further showed that direct fluorination played a very important role in the improvement in tracking and erosion resistance, and the sample containing 18 phr fumed silica is able to meet the outdoor application requirements after the fluorination.

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2020 IEEE International Conference on High Voltage Engineering and Application (ICHVE)

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