| 活化改性胶粉应用研究 |
| Study on Application of Modified Active Crumb |
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| DOI： |
| 中文关键词: 活化改性胶粉 胎面胶料 |
| 英文关键词: modified active crumb tread compound |
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| 中文摘要: |
| 活化改性胶粉比较稳定，存放2年，活性基本不变。掺用活化改性胶粉时，胶料硫化体系要进行调整。胎面胶中掺用 30—40份活化改性胶粉时.拉伸强度可保持原胶料的85%；可改善胶料动态力学性能，特别是压缩永久变形明显减小，生热有所降低低；工艺性能有改善，胎面挤出收缩率减小，粘性好，半成品挺性好，成型方便；混炼时加料顺序对胶料物理性能有一定影响，要根据实际生产需要进行调整。 |
| 英文摘要: |
| The modified active crumb is more stable and will change little in activity after two-year storage.When compounded with modified active crumb，the curing system needs to be adjusted.When 30—40phr level of modified active crumb is incorporated into a tread compound，85% of the tensile strength will remain；the dynamic properties，particularly the compression set will improve；the heat build-up will decrease；the processing technology will improve，including the smaller die swell duing tread extrusion，good tackness，stiff semi-product and easy assembly.The properties of the compound will be influenced by the incorporating order of the compounding ingredients. |
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