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| 环保丁基再生橡胶在半钢子午线轮胎气密层中的应用 |
| Application of Environmentally Friendly Reclaimed Butyl Rubber in Inner Liner of Semi-steel Radial Tire |
| Received:February 28, 2025 Revised:February 28, 2025 |
| DOI: |
| 中文关键词: 环保丁基再生橡胶;气密层;气密性;耐疲劳性能;高速性能;耐久性能 |
| 英文关键词: environmentally friendly reclaimed butyl rubber;inner liner;air tightness;fatigue resistance;high-speed performance;durability |
| 基金项目: |
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| Author Name | Affiliation | E-mail | | CUI Xuejing* | 0 | xjcui@prinxchengshan.com | | WANG Yan | 0 | | | ZHANG Han | 0 | | | LIU Yongqiang | 0 | | | LI Chongbing | 0 | |
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| 中文摘要: |
| 研究环保丁基再生橡胶在半钢子午线轮胎气密层中的应用。结果表明,与未添加环保丁基再生橡胶胶料相比,添加5~20份环保丁基再生橡胶胶料的门尼粘度基本不变,硫化速率变慢,交联密度减小,物理性能无明显变化;添加20份环保丁基再生橡胶硫化胶的拉伸强度减小,拉断伸长率略增大,动态力学性能均无明显变化,耐屈挠疲劳性能和耐伸张疲劳性能较优,疲劳寿命延长以及气密性提升;成品轮胎的高速性能、耐久性能均满足企业标准要求,且成品轮胎的气密性更优。 |
| 英文摘要: |
| The application of environmentally friendly reclaimed butyl rubber in inner liner of semi-steel radial tires was studied.The results showed that,compared to the compound without environmentally friendly reclaimed butyl rubber,the Mooney viscosity of the compound with 5~20 phr of environmentally friendly reclaimed butyl rubber remained essentially unchanged,while the vulcanization rate slowed and the crosslinking density decreased,with no significant changes in physical properties.When 20 phr of environmentally friendly reclaimed butyl rubber were added,the tensile strength of the vulcanizate decreased,the elongation at break slightly increased,and the dynamic mechanical properties remained largely unchanged.However,the flexural fatigue resistance and tensile fatigue resistance were superior,leading to extended fatigue life and improved air tightness.The high-speed performance and durability of finished tires met the requirements of enterprise standards,and the air tightness of finished tires was better. |
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