| 粘土中金属组分对其填充NR硫化胶老化性能的影响* |
| Effect of Metal Component in Clay on Aging Properties of Clay-filled NR Compound |
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| DOI： |
| 中文关键词: 粘土 金属组分 NR 热氧老化 |
| 英文关键词: clay metal component NR thermal-o xidat ive aging |
| 基金项目:国家自然科学基金资助项目 |
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| 中文摘要: |
| 通过还原剂、强酸及添加金属化合物的方法处理3种粘土，并制备相应的粘土填充NR硫化胶(简称粘土填充胶)进行热氧老化性能测试。结果表明:粘土中的铜、锰、钴、铁4种金属组分对粘土填充胶老化性能产生影响，其中以钴最为显著，其次是铜，最后是铁和锰。在一定范围内，铁含量变化对粘土填充胶老化未产生明显作用。由于金属组分在粘土中存在形式的差异，粘土填充胶的老化性能与粘土中有害金属含量不存在对应关系。 |
| 英文摘要: |
| The thermal-oxydative aging properties were determined on the NR vulcanizates filled with 3 types of clays which were treated by reductant and strong acid and different metal compounds were added in.The results showed that the aging properties of clay-filled vulcanizates were influenced
by the metal components in clay in order of Co>Cu>Fe>Mn；the change of iron content in a certain range did not have significant effect on the aging properties of clay-filled vulcanizate；and the aging
properties of clay-filled vulcanizate were not in correspondence with the content of harmful metals in clay because the metal components in clay existed in different forms. |
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