| Study on Aging Protection of Tire Tread Compound by Rare Earth Antioxidant |
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| DOI： |
| Key Words: rare earth antioxidant；tread compound；thermo-oxygen aging；ozone aging |
| Author Name | Affiliation | | JIANG Jian | Beijing University of Chemical Technology | | WEN Shipeng | Beijing University of Chemical Technology | | JIA Zhixin | South China University of Technology | | LIU Li | Beijing University of Chemical Technology |
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| Abstract: |
| The effects of the rare earth antioxidant on the main properties of tire tread compound before and after thermo-oxygen aging and ozone aging were investigated，and compared with antioxidant 4010NA.The results showed that，the protective effects of the rare earth antioxidant on the thermo-oxygen aging and ozone aging were better than those of antioxidant 4010NA，respectively.With rare earth antioxidantⅠ，the cut resistance of the vulcanizates was good，the retention rate of tear strength was the highest after thermo-oxygen aging，and the ozone aging resistance was the best.With rare earth antioxidant Ⅱ，the retention rate of tensile strength was the highest after thermo-oxygen aging，and the abrasion resistance of the vulcanizates was improved. |
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