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Improvement of properties of silica-filled natural rubber compounds using polychloroprene

机译:使用聚氯丁二烯改善二氧化硅填充的天然橡胶混合物的性能

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Because silica has strong filler-filler interactions, a silica-filled rubber compound is characterized by a poor dispersion of the filler. Properties of silica-filled natural rubber (NR) compounds were improved using polychloroprene (chloroprene rubber [CRI). The bound rubber content of the compound increases and the filler dispersion is also improved by adding CR to the compound. Physical properties such as modulus, tensile strength, abrasion, and crack resistance are improved by adding CR. Elongation at break of the vulcanizates containing CR is longer than that of the vulcanizate without CR, although crosslink density of the former is higher than that of the latter. The improved physical properties are attributed to the good dispersion of silica by adding CR. (C) 2002 John Wiley Sons, Inc. [References: 16]
机译:因为二氧化硅具有很强的填料-填料相互作用,所以二氧化硅-填充的橡胶混合物的特征在于填料的分散性差。使用聚氯丁二烯(氯丁二烯橡胶[CRI])可改善二氧化硅填充的天然橡胶(NR)化合物的性能。通过向混合物中添加CR,可增加混合物中结合橡胶的含量,并改善填料的分散性。通过添加CR可以改善模量,拉伸强度,耐磨性和抗裂性等物理性能。含有CR的硫化橡胶的断裂伸长率比不含CR的硫化橡胶的断裂伸长率长,尽管前者的交联密度高于后者。改善的物理性质归因于通过添加CR的二氧化硅的良好分散。 (C)2002 John Wiley Sons,Inc. [参考:16]

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