| Study on Application of Modified Pyrolysis Carbon Black in Sidewall Compound of Passenger Car Tire |
| Received:June 03, 2021 Revised:June 03, 2021 |
| DOI：10.12136/j.issn.1000-890X.2022.10.0759 |
| Key Words: pyrolysis carbon black；modification；sidewall compound；passenger tire；physical property； rolling resistance |
| Author Name | Affiliation | E-mail | | GENG Yifei | Qingdao University of Science and Technology | 1564078772@qq.com | | LIU Zhiao | Qingdao University of Science and Technology | | | ZHAO Qingzhen | Qingdao University of Science and Technology | | | LI Peijun* | Qingdao University of Science and Technology | li@qust.edu.cn |
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| Abstract: |
| Pyrolysis carbon black（CBp） was modified，and the application of modified CBp in passenger
tire sidewall compound was studied（replacing 50% carbon black N375 with the same amount of CBp）. The
results showed that when the CBp was unmodified CBp，the physical properties of the sidewall compound
decreased significantly. When the CBp was physically modified（air flow crushing），the physical properties of
the sidewall compound were still reduced. However，when the CBp was chemically modified by using maleic
anhydride-ethylene glycol-dicyclopentadiene copolymer，the physical properties of the sidewall compound
showed little change，and the rolling resistance decreased. Chemically modified CBp could be used to replace
a certain proportion of carbon black N375 in the sidewall compound，which was beneficial to environmental
protection while reducing compound cost. |
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