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| 耐辐照助剂对三元乙丙橡胶性能的影响 |
| Effect of Radiation-resistant Additives on Properties of EPDM |
| Received:April 08, 2019 Revised:April 08, 2019 |
| DOI：10.12137/j.issn.2095-5448.2019.10.0565 |
| 中文关键词: 三元乙丙橡胶 耐辐照助剂 Pb3O4 WC CeO2 Y2O3 辐照老化 |
| 英文关键词: EPDM radiation-resistant additive Pb3O4 WC CeO2 Y2O3 radiation aging |
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| 中文摘要: |
| 研究了4种耐辐照助剂[四氧化三铅（Pb3O4）、碳化钨（WC）、氧化铈（CeO2）、氧化钇（Y2O3）]对三元乙丙橡胶胶料性能的影响。结果表明：添加耐辐照助剂的胶料保持了较好的耐热老化性能，耐辐照性能大幅提高；耐辐照助剂品种及用量对胶料力学性能、耐热老化性能和耐辐照性能的影响差异较大；耐辐照助剂最优组合为：Pb3O4?30，WC?5，CeO2/Y2O3?10，在此条件下胶料具有良好的耐辐照性能和综合物理性能，可延长橡胶制品在辐照环境下的使用寿命。 |
| 英文摘要: |
| The effects of four radiation-resistant additives（Pb3O4，WC，CeO2 and Y2O3） on the properties of EPDM compound were studied.The results showed that，with the addition of radiation-resistant additives，the compound maintained a good heat aging resistance，and the radiation resistance was greatly improved.The variety and dosage of radiation-resistant additives had great influence on the mechanical properties，heat aging resistance and radiation resistance of the compound.The optimum combination of radiation-resistant additives was as follows：Pb3O4?30，WC?5，CeO2/Y2O3?10.Under the optimum conditions，the compound had good radiation resistance and comprehensive physical properties，which could prolong the service life of rubber products under radiation environment. |
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