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| 环氧化天然橡胶在全钢子午线轮胎带束层中的应用研究 |
| Application of Epoxidized Natural Rubber in Belt Ply of All-steel Radial Tire |
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| DOI： |
| 中文关键词: 环氧化天然橡胶；带束层；粘合力；热氧老化 |
| 英文关键词: ENR；belt ply；adhesion force；thermo-oxidative aging |
| 基金项目: |
| 中图分类号:U463.341＋.6；TQ332.5 |
| Author Name | Affiliation | | XU Xiaopeng | Zhejiang University；Zhongce Rubber Group Co.，Ltd | | ZHANG Xuanhui | Zhejiang University；Zhongce Rubber Group Co.，Ltd | | ZHU Dawei | Zhongce Rubber Group Co.，Ltd |
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| 中文摘要: |
| 研究不同用量的环氧化天然橡胶（ENR）对全钢子午线轮胎带束层胶料性能的影响。结果表明，随着ENR用量增大，胶料流动性能变差，焦烧时间延长，硫化速度减慢；胶料的硬度与300%定伸应力都有明显提升，但拉伸强度与拉断伸长率都有一定程度降低，而撕裂强度基本不变；胶料与钢丝粘合力先增强后减弱。热氧老化研究显示加入ENR的胶料性能保持率明显较高。ENR与天然橡胶相容性较差，会使胶料滚动阻力增大，当ENR用量为10份时，胶料的综合性能最佳。 |
| 英文摘要: |
| The effect of the amount of epoxidized natural rubber（ENR）on the properties of belt compound in all-steel radial tire was investigated.The results showed that，with the increase of ENR amount，the flowability of the compound decreased，scorch time was prolonged，curing rate was slowed down，Mooney viscosity，hardness，modulus at 300% elongation of the compound increased，and tensile strength and elongation at break decreased，while the tear strength was basically unchanged.The adhesion between the compound and wire was strengthened first and then weakened with the increase of ENR amount.Thermo-oxidative aging studies had shown significantly higher property retention of the compound with ENR.The compatibility of ENR and NR was poor which caused the increase of the rolling resistance of the compound.When the amount of ENR was 10 phr，the best overall performance of the compound was obtained. |
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