| Application of Anti-Reversion Agent HVA-2 in Support Rubber of Run-Flat Tires |
| Received:October 10, 2024 Revised:October 10, 2024 |
| DOI：10.12136/j.issn.1000-890X.2026.09.0677 |
| Key Words: anti-reversion agent；RFT；support rubber；zero pressure durability |
| Author Name | Affiliation | E-mail | | YU Xin* | Qingdao LiHe Chemical Technology Co. Ltd | cm0006@tta-solution.com | | LI Hongwei | TTA(QINGDAO) TIRE TECHNOLOGY CO.,LTD | | | LIU Huaqiao | TTA(QINGDAO) TIRE TECHNOLOGY CO.,LTD | | | GU Peishuang | TTA(QINGDAO) TIRE TECHNOLOGY CO.,LTD | |
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| Abstract: |
| The application of anti-reversion agent HVA-2 in support rubber of run-flat tires was studied.The results showed that compared with the production formula rubber，the addition of the anti sulfurization returning agent HVA-2 increased the cross-linking density of the rubber，increased the vulcanization rate，improved the rigidity of the vulcanized rubber and slightly decreased the tensile strength and elongation at break.Within an acceptable range，E"" increased while tanδ remained basically unchanged.When the amount of anti sulfurization returning agent HVA-2 was 1 phr and the amount of sulfur remained unchanged，the comprehensive performance of the 2# formula rubber was optimal.Compared with the production of formula tires，the durability and high-speed performance of 2# formula tires had been improved at zero air pressure. |
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