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| 炭黑改性低顺式聚丁二烯橡胶在轿车子午线轮胎胎侧胶中的应用 |
| Application of Carbon Black Modified Low Cis-Polybutadiene Rubber in Sidewall Compound of Passenger Car Radial Tire |
| Received:August 28, 2024 Revised:August 28, 2024 |
| DOI： |
| 中文关键词: 轿车子午线轮胎；低顺式聚丁二烯；炭黑改性；胎侧胶；生热；滚动阻力 |
| 英文关键词: passenger car radial tire；LCBR；carbon black modification；sidewall compound；heat build-up；rolling resistance |
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| Author Name | Affiliation | E-mail | | MA Xiuju* | Prinx Chengshan（shandong）Tire Co.，Ltd | 15662310822@163.com | | FU Youjian | Prinx Chengshan（shandong）Tire Co.，Ltd | | | WANG Yan | Prinx Chengshan（shandong）Tire Co.，Ltd | | | LIU Yongqiang | Prinx Chengshan（shandong）Tire Co.，Ltd | | | DONG Jianyun | Prinx Chengshan（shandong）Tire Co.，Ltd | | | LI Chongbing | Prinx Chengshan（shandong）Tire Co.，Ltd | |
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| 中文摘要: |
| 研究炭黑改性低顺式聚丁二烯橡胶（LCBR）在轿车子午线轮胎胎侧胶中的应用。结果表明：与顺丁橡胶（BR）相比，LCBR的门尼粘度较大，相对分子量分布较窄，玻璃化转变温度较高；在胎侧胶中以LCBR等量替代BR，胶料的门尼粘度、交联密度和300%定伸应力增大，生热降低；成品轮胎的高速性能和耐久性能均满足国家标准要求，滚动阻力
降低。 |
| 英文摘要: |
| The application of carbon black modified low cis polybutadiene rubber（LCBR） in the sidewall compound of passenger car radial tire was studied.The results showed that compared with butadiene rubber（BR），LCBR had a high Mooney viscosity，a narrow relative molecular weight distribution and a high glass transition temperature.When LCBR was used to replace BR with an equal amount in the sidewall compound，the Mooney viscosity，crosslink density and modulus at 300% of the compound increased，heat build-up reduced.The high-speed performance and durability of the finished tire met national standards，while the rolling resistance reduced. |
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