| Study on Properties of NR/BR Blends Filled with Different Kinds of Carbon Black |
| Received:August 28, 2021 Revised:August 28, 2021 |
| DOI：10.12136/j.issn.1000-890X.2023.02.0097 |
| Key Words: carbon black；NR；BR；blend；physical parameter；dynamic mechanical property； compression fatigue heat build-up resistance；wear resistance |
| Author Name | Affiliation | E-mail | | XU Tiwen* | Guangdong University of Petrochemical Technology | twxu2017@gmail.com | | LING Feilong | Maoming Roundstar Advanced Materials Co.，Ltd | | | SHI Bo | Guangdong University of Petrochemical Technology | | | YU Benyi | Maoming Roundstar Advanced Materials Co.，Ltd | |
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| Abstract: |
| The properties of natural rubber （NR）/butadiene rubber（BR） blends filled with five kinds of
carbon black（RX2007，NC1301，NC1312，BC2109，and N234）were studied. The results showed that all five
kinds of carbon black were well dispersed in the NR/BR matrix and the properties of NR/BR blend highly
depended on the physical properties of the filled carbon black. It was found that the t90 of the NR/BR blend
filled with carbon black RX2007 was the shortest，and the t90 of the NR/BR blend filled with carbon black
NC1312 was the longest. The modulus，tensile strength and tear strength of the NR/BR blends filled with
carbon black BC2109 and N234 were higher. The dynamic mechanical properties of the NR/BR blend filled
with carbon black RX2007 were the best. The compression fatigue heat build-up resistance of the NR/BR
blends filled with carbon black RX2007 and N234 was better. The wear resistance of the NR/BR blend filled
with carbon black NC1312 was the best. |
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