文章摘要
炭黑N330/N990并用对三元乙丙橡胶高速铁路轨枕垫胶料性能的影响
Influence of Carbon Black N330/N990 Blend Ratio on Properties of EPDM Compound for High Speed Railway Pad
  
DOI：
中文关键词: 热裂法炭黑  三元乙丙橡胶  动态疲劳性能  加工性能  回弹性
英文关键词: pyrolysis carbon black  EPDM  dynamic fatigue property  processing property  resi lience
基金项目:
作者单位
刘根海 青岛科技大学 橡塑材料与工程教育部重点实验室 
陈民杰 朗盛青岛高性能橡胶研发中心 
赵菲 青岛科技大学 橡塑材料与工程教育部重点实验室 
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中文摘要:
      试验研究炭黑N330与热裂法炭黑N990并用比对铁路轨枕垫用三元乙丙橡胶性能的影响。结果表明，用20份炭黑N990等量替代炭黑N330，可使混炼胶的门尼粘度值降低15个单位，硫化胶的压缩疲劳温升降低6 ℃；炭黑N990相对含量增加能改善胶料的回弹性，降低压缩永久变形，提高耐疲劳性能。
英文摘要:
      The influence of carbon black N330/N990 blending ratio on the properties of EPDM compound for high speed railway pad was studied.The results showed that，when 20phr of N330 in the original formulation was replaced by an equal weight of N990，the Mooney viscosity of the compound decreased by 15 units and the temperature rise in the compression fatigue test was lowered by 6 ℃.With increasing the addition level of N990，the resilience and fatigue resistance of the vulcanizates were improved，and the compression set decreased.
Author NameAffiliation
LIU Gen-hai Qingdao University of Science and Technology 
CHEN Min-jie LANXESS High Property Rubber Research Center Qing dao 
ZHAO Fei Qingdao University of Science and Technology 
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