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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 |
| Received:September 19, 2018 Revised:September 19, 2018 |
| 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 |
| 基金项目: |
| 中图分类号: |
| Author Name | Affiliation | E-mail | | jiaowenxiu* | Triangle Tire Co., Ltd | ychjwx@163.com | | CUI Yi | Triangle Tire Co., Ltd | | | ZHANG Haimeng | Triangle Tire Co., Ltd | | | LIU Peng | Triangle Tire Co., Ltd | | | HAN Yuyao | Triangle Tire Co., Ltd | |
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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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