| Preparation of Low Heat Build-up NR by Using Composite Flocculant |
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| DOI： |
| Key Words: NR；composite flocculant；reversed coagulation process；heat build-up；dynamic mechanical property |
| Author Name | Affiliation | | SHEN Jiafeng | Beijing University of Chemical Technology | | WANG Yiqing | Beijing University of Chemical Technology | | ZHANG Liqun | Beijing University of Chemical Technology |
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| Abstract: |
| Using calcium chloride/sodium chloride as the composite flocculant，the NR was prepared by reversed coagulation process，and the effect of the addition level of sodium chloride on the properties of NR was investigated，and compared with those of reference sample（RSS and SCR from Yunnan）.The results showed that，when the volume ratio of calcium chloride/sodium chloride was 1∶1，the flocculation effect was better.When the mass fraction of sodium chloride was 0.03，the NR compound possessed larger torque increase，preferable physical properties，smaller tanδ，and lower rolling resistance，smaller heat build-up and lower ash content. |
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