文章摘要
Application of Domestic NR in Tread Compound with Low Rolling Resistance
Received:February 03, 2021  Revised:February 03, 2021
DOI：10.12136/j.issn.1000-890X.2022.08.0592
Key Words: NR；silica；tread compound；processability；physical property；dynamic mechanical property
Author NameAffiliationE-mail
YI Liming* EVE Rubber Institute Co,Ltd yilm@everi.com.cn 
DONG Jinlong Ecombine Advanced Materials Co,Ltd  
LI Xiaoyi EVE Rubber Institute Co,Ltd  
ZHANG Chao EVE Rubber Institute Co,Ltd  
XIE Mingxiu EVE Rubber Institute Co,Ltd  
HE Fujin EVE Rubber Institute Co,Ltd  
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Abstract:
      TAbstract：The application of domestic natural rubber（NR，10# standard rubber） in the tread compound with low rolling resistance was studied. The results showed that compared with the imported NR（20#standard rubber ），the Mooney viscosity of domestic NR was lower，the initial plastic value and plastic retention were smaller，and the processability was better. The Mooney viscosity of the domestic NR compound was also lower，and the vulcanization recovery rate was slightly higher. The elongation at break and tear strength of the domestic NR vulcanizate were slightly lower，the loss factor at 60 ℃ was slightly larger，and the aging resistance was slightly worse.
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