| Properties of NR Compounds Filled with Pyrolytic Carbon Black/Carbon Black N330 Blends |
| Received:April 11, 2024 Revised:April 22, 2024 |
| DOI：10.12136/j.issn.1000-890X.2026.05.0361 |
| Key Words: pyrolysis carbon black；carbon black N330；NR；cross-linking density；wear resistance |
| Author Name | Affiliation | E-mail | | TANG Danning | Qingdao University of Science and Technology | 1219315954@qq.com | | LI Kunhui | Qingdao Global Belting Co.，Ltd | | | WANG Jia | Qingdao Global Belting Co.，Ltd | | | LIU Jiwen* | Qingdao University of Science and Technology | sunchongmc@qust.edu.cn | | SUN Chong | Qingdao University of Science and Technology | |
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| Abstract: |
| The effects of pyrolysis carbon black（CBp）/carbon black N330 blend on the properties of natural rubber（NR） compounds were studied.The results showed that with the increase of the addition level of CBp，the Fmax－FL of the compound decreased，which meaned the cross-linking degree decreased，but CBp could promote the vulcanization of NR compound.Compared with CBp，carbon black N330 had a smaller particle size and uniform distribution in NR matrix，with better dispersion.As the addition level of carbon black N330 increased，the cross-linking density of NR vulcanizate decreased，the Shore A hardness，tensile stress at a given elogation and tensile strength decreased，and the wear resistance deteriorated. |
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