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| 全钢工程机械子午线轮胎气密层裂缝解决方案 |
| Solution of Inner-liner Cracks of All-steel Off-The-Road Radial Tire |
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| DOI： |
| 中文关键词: 全钢工程机械子午线轮胎；气密层；老化性能 |
| 英文关键词: |
| 基金项目: |
| 中图分类号:U463.341＋.5/.6；TQ333.6；TQ332 |
| Author Name | Affiliation | | XIE Hongjie | all-steel off-the-road radial tire；inner-liner；aging resistance | | GUO Mingming | 风神轮胎股份有限公司 | | WANG Zhiping | 风神轮胎股份有限公司 | | LI Youwen | 风神轮胎股份有限公司 |
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| 中文摘要: |
| 针对大中型全钢工程机械子午线轮胎在高温地区使用时易产生气密层裂缝等问题进行研究。简要分析其产生机理，并将气密层胶料配方由溴化丁基胶（BIIR）/天然橡胶并用体系调整为全BIIR为主体的配方，同时优化配方炭黑用量，以提升气密层胶料的耐老化和耐屈挠性能，有效解决了高温地区轮胎气密层裂缝问题。 |
| 英文摘要: |
| The inner-liner cracking of all-steel off-the-road radial tire which was used in high temperature areas was analyzed and its mechanism was investigated.Based on the analysis，the improved inner-liner was formulated using BIIR as the rubber material instead of BIIR/NR blend and the amount of carbon black was optimized.The testing results showed that the aging resistance and flexing resistance of the inner-liner compound were improved，and the cracking of inner-liner in hot and dry areas was solved. |
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