Application of Supermolecular Aggregated NR in Formula of High Wear Resistant Tread of All-steel Radial Tire
The application of supermolecular aggregated natural rubber(NR)in the formula of high-wear-resistant tread for all-steel radial tires was investigated.The results indicated that the relative molecular weight and distribution of supermolecular aggregated NR were closer to that of ribbed smoked sheets.In the tread formula,the tensile strength and wear resistance of the supermolecular aggregated NR compound could reach the level of ribbed smoked sheets,with higher rebound values and lower heat buildup.The wear resistance of the compound using supermolecular aggregated NR after plasticization optimization was better than that of the compound using supermolecular aggregated NR directly.
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