胎面胶粉/RNR/NR/BR/SBR轮胎垫带材料性能的研究

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在胎面再生胶(RNR)/天然橡胶(NR)/顺丁橡胶(BR)/丁苯橡胶(SBR)为基体的载重轮胎垫带材料中加入60目胎面胶粉,考察了不同用量胶粉对RNR/NR/BR/SBR并用胶硫化特性、门尼粘度、力学性能、动态力学性能的影响.结果 表明,当加入10份胶粉时,硫化胶的综合性能最好,拉伸强度13.5MPa,拉断伸长率493%,拉断永久变形32%,Shore A硬度63,达到并优于行业标准HG/T 4625-2014的规定.
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