| Basic Properties of Domestic IR |
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| DOI： |
| Key Words: IR；NR；blend；curing characteristics；physical property |
| Author Name | Affiliation | | YANG Qing | Beijing University of Chemical Technology；Sailun Co.，Ltd | | XIA Rongzhi | Sailun Co.，Ltd | | TIAN Ming | Beijing University of Chemical Technology |
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| Abstract: |
| The properties of NR/domestic IR blend were investigated.The results showed that the compatibility between IR and NR was good.As the addition level of IR increased，the Mooney scorch time and t90 of NR/IR compound extended gradually，MH-ML decreased gradually，and the dispersion of carbon black unchanged.The Shore A hardness and tear strength of vulcanizate decreased gradually，the modulus at 300% elongation and resilience tended to decrease，the compression heat build-up decreased，and the flexing resistance was improved.When the NR/IR blend ratio was less than 50/50，the comprehensive properties were better. |
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