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炭黑在溶聚丁苯橡胶和丁基橡胶中的分散与相互作用

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  • Key Words:溶聚丁苯橡胶;;丁基橡胶;;炭黑;;胎面胶;;动态性能

  • Abstract:采用高结构炭黑N234分别填充溶聚丁苯橡胶(SSBR)和丁基橡胶(IIR),对比研究填料在两种胶中的分散与相互作用,探究IIR替代SSBR提高胎面胶性能的可能性。结果发现:填料在IIR中的分散性较差,填料-填料相互作用更强,而在SSBR混炼胶中,填料-橡胶相互作用更强。相同硫化体系下,SSBR硫化胶的拉伸强度随炭黑用量增大呈线性增大,而IIR硫化胶在炭黑用量为30份时拉伸强度达到最大值,在炭黑高填充量下,其撕裂强度远高于SSBR。动态力学性能分析表明,IIR可以部分替代SSBR用于胎面胶,改善冬季轮胎或赛车轮胎的抓着性能。

  • Volume:v.63

  • Issue:02

  • Translation or Not:no

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