| 符寿康,陶平,康鑫,任建民,刘学涛.高低温循环作用下三元乙丙橡胶胶料的压缩永久变形及回弹值研究[J].橡胶科技,2020,18(3):0138-0141. |
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| 高低温循环作用下三元乙丙橡胶胶料的压缩永久变形及回弹值研究 |
| Compression Set and Resilience of EPDM under Cyclic High and Low Temperature |
| 投稿时间：2019-10-30 修订日期：2019-10-30 |
| DOI：10.12137/j.issn.2095-5448.2020.03.0138 |
| 中文关键词: 三元乙丙橡胶 压缩永久变形 回弹值 高低温循环 乙烯含量 含胶率 交联程度 |
| 英文关键词: ethylene propylene terpolymer compression set resilience cyclic high and low temperature ethylene content rubber content crosslinking degree |
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| 摘要点击次数: 2077 |
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| 中文摘要: |
| 研究高低温循环作用下三元乙丙橡胶（EPDM）胶料的压缩永久变形及回弹值，考察了EPDM乙烯含量、胶料含胶率和交联程度的影响，并与常温、高温和低温条件下结果进行对比。结果表明：高低温循环作用对EPDM胶料压缩永久变形及回弹值的影响比单纯高温老化的影响大；EPDM乙烯含量、胶料含胶率及交联程度对EPDM胶料在高低温循环作用下压缩永久变形及回弹值的影响很大，其中胶料含胶率的影响最大，其次是EPDM乙烯含量，最后是胶料交联程度。 |
| 英文摘要: |
| The compression set and resilience of ethylene propylene terpolymer（EPDM） compound under cyclic high and low temperature were studied and compared with those under normal temperature，high temperature and low temperature conditions.The effects of ethylene content of EPDM，rubber content and crosslinking degree of the compound were investigated.The results showed that，the effect of cyclic high and low temperature on the compression set and resilience of the compound was greater than that of pure high temperature aging.The ethylene content of EPDM，rubber content and crosslinking degree had significant influence on the compression set and resilience of EPDM compound under cyclic high and low temperature.The rubber content was the most important influence factor，followed by ethylene content of EPDM，and finally crosslinking degree.temperature on the compression set and resilience of the compound was greater than that of pure high temperature aging.The ethylene content of EPDM，rubber content and crosslinking degree had significant influence on the compression set and resilience of EPDM compound under cyclic high and low temperature.The rubber content was the most important influence factor，followed by ethylene content of EPDM，and finally crosslinking degree. |
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