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湿法水磨胶粉在天然橡胶/顺丁橡胶并用配方体系中的应用

Tire Industry(2022)

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Abstract
研究废旧轮胎湿法水磨胶粉在天然橡胶(NR)/顺丁橡胶(BR)并用配方体系中的应用.结果表明:以湿法水磨胶粉部分替代炭黑N330,胶料的硬度、定伸应力和拉伸强度明显降低,拉断伸长率和回弹值明显增大,60℃时的损耗因子减小,动态拉伸储能模量大幅降低;在NR/BR并用胎圈胶配方中以30份湿法水磨胶粉替代5~10份炭黑N330,胶料的物理性能和动态性能在相同水平,同时可降低原材料成本,利于环保.
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