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| 双末端改性星形溶聚丁苯橡胶在电动汽车轮胎胎面胶中的应用 |
| Application of Double-ended Modified Star Shaped SSBR in |
| Received:September 18, 2024 Revised:September 18, 2024 |
| DOI：10.12135/j.issn.1006-8171.2025.10.0597 |
| 中文关键词: 溶聚丁苯橡胶；末端改性；电动汽车轮胎；胎面胶；耐磨性能；动态力学性能 |
| 英文关键词: SSBR；end modification；electric vehicle tire；tread compound；wear resistance；dynamic mechanical property |
| 基金项目: |
| 中图分类号: |
| Author Name | Affiliation | E-mail | | DONG Jianyun* | Prinx Chengshan（Shandong） Tire Co.，Ltd | jydong@prinxchengshan.com | | WANG Yan | Prinx Chengshan（Shandong） Tire Co.，Ltd | | | YU Haiyang | Prinx Chengshan（Shandong） Tire Co.，Ltd | | | MA Xiuju | Prinx Chengshan（Shandong） Tire Co.，Ltd | | | LIU Yongqiang | PrinxChengshan (Shandong) Tire Co., LTD | | | LI Chongbing | Prinx Chengshan（Shandong） Tire Co.，Ltd | |
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| 中文摘要: |
| 研究双末端改性星形溶聚丁苯橡胶（SSBR）在电动汽车轮胎胎面胶中的应用。结果表明：与单末端改性SSBR相比，双末端改性星形SSBR的门尼粘度较大，苯乙烯基和乙烯基含量相当，相对分子质量分布较窄；在电动汽车轮胎胎面胶中加入双末端改性星形SSBR，胶料的加工性能、分散性、耐磨性能、抗湿滑性能和干湿地制动性能提高，同时滚动阻力降低。 |
| 英文摘要: |
| The application of double-end modified star shaped solution polymerized styrene butadiene rubber（SSBR） in the tread compound of electric vehicle tire was studied.The results showed that compared with single-end modified SSBR，the Mooney viscosity of double-end modified star shaped SSBR was higher，styrene and vinyl content was comparable and relative molecular mass distribution was narrower.By adding double-end modified star shaped SSBR in the tread compound of electric vehicle tire，the the processing performance，dispersion，wear resistance，wet-skid resistance and dry wet braking performance of the compound improved，while the rolling resistance decreased. |
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