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2016 , Vol. 16 >Issue 5: 781 - 787

DOI: https://doi.org/10.12034/j.issn.1009-606X.216176

Process and Technology

Effect of Hollow Silica Spheres on Electrical Insulation Properties of High Temperature Vulcanized Silicone Rubber Composite

  • QIAN Xi-hui ZHANG Dong-hai XUE Yang LI Xiao-fei LI Wen-hui CHEN Yun-fa
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  • 1. State Key Laboratory of Multi-phase Complex Systems, Institute of Process Engineering, Chinese Academy of Sciences
    2. University of Chinese Academy of Sciences
    3. State Key Laboratory of Multi-Phase Complex Systern, Institute of Process Engineering, CAS
    4. State Key Lab. Multi-phase Complex Systems, Inst. Process Engineering, Chinese Academy of Sciences
    5. State Key Lab. Multiphase Complex System, Inst. Process Eng., Chinese Academy of Sciences

Received date: 2016-04-07

  Revised date: 2016-04-25

  Online published: 2016-10-14

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Abstract

采用模板法制备了尺度均一的SiO2中空微球(HSS)，将其均匀分散于高温硫化硅橡胶(HTV)中制成HSS/HTV复合材料，分析了HSS的形貌及壁厚，考察了其对硅橡胶电气绝缘性能的影响及其与硅橡胶基体的相互作用. 结果表明，HSS对硅橡胶的体积电阻率、击穿强度、介电常数及介电损耗均有较明显的影响，优于同等含量的气相SiO2/HTV复合材料. 加入HSS后，复合材料的体积电阻率由纯硅橡胶的5.3×1015 ??cm提升至1017 ??cm数量级，但随HSS含量增大略有下降；击穿强度随HSS含量增加而增大，含量为0.05 g/g时达21.6 kV/mm，比纯硅橡胶提高了26.3%；介电常数随HSS含量增大先降低后升高，含量为0.02 g/g时最低；介电损耗随HSS含量增大略有增大，但仍较低.

Key words： silica hollow sphere; silicone rubber; composite; electrical insulation property

Cite this article

QIAN Xi-hui ZHANG Dong-hai XUE Yang LI Xiao-fei LI Wen-hui CHEN Yun-fa . Effect of Hollow Silica Spheres on Electrical Insulation Properties of High Temperature Vulcanized Silicone Rubber Composite[J]. The Chinese Journal of Process Engineering, 2016 , 16(5) : 781 -787 . DOI: 10.12034/j.issn.1009-606X.216176

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