文章摘要
Effect of NR types and NR/IR Blending Ratios on properties of Shock-absorbing Rubber Materials
Received:February 28, 2023  Revised:February 28, 2023
DOI：10.12136/j.issn.1000-890X.2024.09.0688
Key Words: NR；IR；blending ratio；shock-absorbing rubber material；dynamic and static stiffness ratio；compression set
Author NameAffiliationE-mail
PANG Song* Jianxin Zhao’s Technology Co.，Ltd pangsong@jianxin.com 
TIAN Anwei Jianxin Zhao’s Technology Co.，Ltd  
LI Jian Jianxin Zhao’s Technology Co.，Ltd  
HE Qi Jianxin Zhao’s Technology Co.，Ltd  
LI Hengrong Jianxin Zhao’s Technology Co.，Ltd  
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Abstract:
      The effect of natural rubber（NR） types and NR/isoprene rubber（IR） blending ratios on the properties of shock-absorbing rubber materials was studied.The results showed that compared with NR smoked sheet vulcanizate，constant viscosity CV60 vulcanizate had better physical properties，but the dynamic and static stiffness ratio was slightly larger.When the NR（CV60）/IR blending ratio was 30/70，the NR/IR blends had excellent physical properties and hot air aging resistance，smaller compression set，but slightly larger dynamic and static stiffness，which met the requirements of high-performance shock-absorbing rubber compound.
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