| 炭黑/橡胶力敏复合材料压阻特性的研究 |
| Study on pressure resistance characteristic of carbon black/rubber force-sensitive composite |
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| DOI： |
| 中文关键词: 橡胶 炭黑 力敏复合材料 压阻特性 压阻重复性 |
| 英文关键词: rubber carbon black force sensitive composite pressure resistance characteristic stability of pressure resistance |
| 基金项目:中国工程物理研究院重大基金资助项目（2007A03003） |
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| 中文摘要: |
| 采用机械共混法制备炭黑/BR、炭黑/BR/NR和炭黑/甲基乙烯基硅橡胶(MVQ)力敏复合材料，并对其压阻特性进行研究。结果表明，炭黑/MVQ复合材料导电炭黑的逾渗阈值最小，压力敏感特性最强；随着压应力的增大，炭黑/BR、炭黑/BR/NR和炭黑/MVQ复合材料的压阻重复性依次下降。采用多乙烯基硅油和全硫化粉末BR，可改善炭黑/MVQ复合材料的压阻重复性。 |
| 英文摘要: |
| The carbon black/BR，carbon black/BR/NR and carbon black/MVQ composites were prepared by mechanical blending method，and the pressure resistance characteristics were investigated.The results showed that，the carbon black percolation threshold of carbon black/MVQ composite was the lowest，and its pressure-sensitivity was the strongest；the pressure resistance repetitiveness of carbon black/BR，carbon black/BR/NR and carbon black/MVQ composites were declined as the pressure increased.The pressure resistance repetitiveness of carbon black/MVQ composite was improved by addition of polyvinylsilicone oil and full-vulcanized powdered butadiene rubber. |
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