| 添加纳米银粉对导电胶体积电阻率的影响 |
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| 引用本文： | 樊明娜,李世鸿,刘继松,黄富春.添加纳米银粉对导电胶体积电阻率的影响[J].贵金属,2014,35(2):10-13. |
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| 作者姓名： | 樊明娜 李世鸿 刘继松 黄富春 |
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| 作者单位： | 昆明贵金属研究所稀贵金属综合利用新技术国家重点实验室; |
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| 基金项目： | 国家科技支撑项目(2012BAE06B00) |
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| 摘 要： | 将3种银粉,即:片状银粉、片状银粉加入5%纳米银粉的混合粉、片状银粉加入10%纳米银粉的混合粉,加入双酚F环氧树脂中配制导电胶。通过在玻璃基片上印刷导电胶条,固化后测量其长、宽、厚和电阻,利用公式ρ=Rs/l计算体积电阻率。结果表明,当纳米银粉添加量为5%时,体积电阻率出现明显下降,混合银粉含量为75%时的体积电阻率能达到1.6×10-4?·cm。在接近"穿流阈值"时,加入纳米银粉可以增大颗粒间的接触面积,形成更多的导电通路,能降低导电胶的体积电阻率。
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| 关 键 词： | 复合材料 导电胶 体积电阻率 片状银粉 纳米银粉 |
| 收稿时间： | 2013/7/11 0:00:00 |
Effect of Nano-sized Silver Powders on the Volume Resistivity of Conductive Adhesives |
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| FAN Mingn,LI Shihong,LIU Jisong and HUANG Fuchun.Effect of Nano-sized Silver Powders on the Volume Resistivity of Conductive Adhesives[J].Precious Metals,2014,35(2):10-13. |
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| Authors: | FAN Mingn LI Shihong LIU Jisong and HUANG Fuchun |
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| Affiliation: | State Key Laboratory of Advanced Technologies for Comprehensive Utilization of Platinum Metals,Kunming Institute of Precious Metals, Kunming 650106, China;State Key Laboratory of Advanced Technologies for Comprehensive Utilization of Platinum Metals,Kunming Institute of Precious Metals, Kunming 650106, China;State Key Laboratory of Advanced Technologies for Comprehensive Utilization of Platinum Metals,Kunming Institute of Precious Metals, Kunming 650106, China;State Key Laboratory of Advanced Technologies for Comprehensive Utilization of Platinum Metals,Kunming Institute of Precious Metals, Kunming 650106, China |
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| Abstract: | |
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| Keywords: | composite materials conductive adhesives volume resistivity silver flakes nano-sized silver powders |
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