| 焦文秀,崔 轶,张海盟,刘 鹏,韩玉瑶.跑气保用轮胎胎侧支撑胶配方的优化[J].轮胎工业,2019,39(5):0295-0297 |
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| 跑气保用轮胎胎侧支撑胶配方的优化 |
| Formulation Optimization of Sidewall Support Compound for Run-flat Tire |
| 投稿时间：2018-09-19 修订日期：2018-09-19 |
| DOI：10.12135/j.issn.1006-8171.2019.05.0295 |
| 中文关键词: 跑气保用轮胎 胎侧支撑胶 热塑性弹性体 生热 |
| 英文关键词: thermoplastic elastomer run-flat tire sidewall support compound heat build-up |
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| 中文摘要: |
| 对现用跑气保用轮胎胎侧支撑胶配方进行优化。试验结果表明：在天然橡胶/顺丁橡胶生胶体系中并用热塑性弹性体，并调整炭黑用量后，胶料的门尼焦烧时间和正硫化时间延长，抗硫化返原性能提高，工艺性能良好；硫化胶的硬度和拉伸强度增大，生热降低，耐老化性能改善；成品轮胎的耐久性能提高。 |
| 英文摘要: |
| The existing formulation of the sidewall support compound for run-flat tire was optimized.The results showed that，by adding thermoplastic elastomer in the NR/BR blend，and decreasing the addition level of BR and carbon black N550，the Mooney scorching time and optimum curing time of the compound were extended，the anti-reversion performance was improved，and the processability was good.The physical properties and aging resistance of the vulcanizate were improved，the heat build-up was decreased.The endurance of the finished tire improved. |
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