| 张宁,郑涛,龙飞飞,姜杰,徐岩.抗疲劳剂PAPI在缺气保用轮胎支撑胶中的应用[J].轮胎工业,2020,40(5):0295-0298 |
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| 抗疲劳剂PAPI在缺气保用轮胎支撑胶中的应用 |
| Application of Anti-fatigue Additive PAPI in Support Compound for Run-flat Tire |
| 投稿时间：2019-04-20 修订日期：2019-04-20 |
| DOI：10.12135/j.issn.1006-8171.2020.05.0295 |
| 中文关键词: 抗疲劳剂 缺气保用轮胎 支撑胶 硫化特性 物理性能 耐屈挠性能 压缩疲劳温升 |
| 英文关键词: anti-fatigue additive run-flat tire support compound curing characteristics physical property flexing resistance compression fatigue temperature rise |
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| 中文摘要: |
| 研究抗疲劳剂PAPI的性质及其在缺气保用轮胎支撑胶中的应用。抗疲劳剂PAPI含有多官能团马来酰亚胺化合物，其多苯环结构有助于炭黑的分散，并可通过Alder-Ene反应直接参与橡胶的硫化交联，重构交联网络。试验结果表明：将抗疲劳剂PAPI应用于支撑胶，混炼胶的门尼粘度降低，焦烧时间延长；硫化胶的拉伸强度和拉断伸长率提高，压缩疲劳温升降低，耐屈挠性能大幅提高；可提高缺气保用轮胎的安全性。 |
| 英文摘要: |
| The quality of anti-fatigue additive PAPI and its application in support compound of run-flat tire were investigated.Anti-fatigue additive PAPI contained polyfunctional maleimide compound，and its structure of multiple benzene rings contributed to dispersion of carbon black.Through the Alder-Ene reaction，anti-fatigue additive PAPI could directly participate in the vulcanization cross-linking of rubber, reconstruct the cross-linked network.The results showed that，by using anti-fatigue additive PAPI in the support compound，the Mooney viscosity of the compound was reduced，and the scorch time was prolonged；the tensile strength and elongation at break of the vulcanizate were improved，the compression fatigue temperature rise was reduced，the flexing resistance was improved greatly，and the safety of run-flat tire was improved. |
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