纺织高校基础科学学报2024，Vol.37Issue(2)：33-39,7.DOI:10.13338/j.issn.1006-8341.2024.02.004
镀镍石墨导电硅橡胶电磁屏蔽复合材料的制备及性能
Preparation and performance of nickelcoated graphite/silicone rubber electromagnetic shielding composites
摘要
Abstract
In order to improve the traditional methods that are difficult to balance the high con-ductivity,magnetic properties,and mechanical properties of electromagnetic shielding rubber(ESR),a series of nickel coated graphite(NCG)conductive silicone rubber electromagnetic shiel-ding composite materials were prepared by mechanical blending,with coated NCG as filler,cou-pling agent as modifier,and silicone rubber as substrate.The vulcanization characteristics,me-chanical properties,conductivity,and shielding effectiveness of ESR were tested and analyzed,and the microstructure of the rubber was characterized by SEM.The effect of NCG addition on the mechanical properties,conductivity,and shielding effectiveness of conductive silicone rubber was studied,and the conductivity and shielding mechanism of ESR were analyzed.The results show that the filler can form a complete and stable three-dimensional conductive network inside the matrix when the filler addition amount is 180 parts,so that the composite material could have good mechanical properties and excellent electrical properties at the same time,and the tensile strength of the ESR is 3.688 MPa,the volume resistivity is 0.24 Ω·cm,and its average shielding efficiency in the X-band(8.2～12.4 GHz)can reach 55.25 dB.关键词
镀镍石墨/导电硅橡胶/电磁屏蔽橡胶/屏蔽效能/屏蔽机理Key words
nickelcoated graphite/silicone rubber/electromagnetic shielding rubber/shielding effectiveness/shielding mechanism分类
化学化工引用本文复制引用
苏晓磊,王鹏辉,贾艳..镀镍石墨导电硅橡胶电磁屏蔽复合材料的制备及性能[J].纺织高校基础科学学报,2024,37(2):33-39,7.基金项目
陕西省教育厅服务地方专项计划项目(23JC036) （23JC036）
西安市科技计划项目(23KGDW0031-2022) （23KGDW0031-2022）
陕西省特支计划项目 （）
