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RPA分析硫黄用量对天然橡胶动态性能的影响

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  • Key Words:天然橡胶;;硫黄;;动态性能;;RPA

  • Abstract:用橡胶加工分析仪(RPA)分析硫黄用量对NR动态性能的影响。结果表明:不同硫黄用量的混炼胶的动态模量随频率的升高和温度的降低而增加,损耗因子降低;应变超过28%,混炼胶的储能模量下降。不同硫黄用量的硫化胶随交联密度的提高,动态性能对频率的依赖性变小,对应变的依赖性变强;而温度越高,硫化胶的"橡胶弹性"越明显。

  • Volume:v.31;No.185

  • Issue:05

  • Translation or Not:no

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