| Application of Liquid 1，4-polybutadiene in SBR Compounds |
| Received:September 26, 2022 Revised:October 11, 2022 |
| DOI：10.12136/j.issn.1000-890X.2024.04.0266 |
| Key Words: LPB；SBR；tensile property；wear resistance；dynamic mechanical property |
| Author Name | Affiliation | E-mail | | WANG Qian | Qingdao University of Science and Technology | wangqian@163.com | | ZHANG Junchi | Qingdao University of Science and Technology | | | LYU Guijie | Qingdao University of Science and Technology | | | XUE Xinyuan | Qingdao University of Science and Technology | | | SUN Tao | Qingdao University of Science and Technology | | | LIU Heng | Qingdao University of Science and Technology | | | ZHANG Chunyu | Qingdao University of Science and Technology | | | SUN Yu* | Qingdao University of Science and Technology | yusun@qust.edu.cn | | ZHANG Xuequan | Qingdao University of Science and Technology | |
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| Abstract: |
| The application of liquid 1，4-polybutadiene（LPB） in styrene butadiene rubber（SBR） compounds was studied.The results showed that the microstructure of LPB mainly consisted of cis-1，4-structure and trans-1，4-structure.Using LPB as a plasticizer to replace environmentally friendly aromatic oil（TDAE），the t10 and t90 of the compound were extended，the wear resistance of the vulcanizate increased，and the rolling resistance decreased，but at the same time，the wet slip resistance was reduced.Replacing TDAE with an equal amount of LPB resulted in a decrease in the tensile properties of the vulcanizate, while partially replacing TDAE with LPB resulted in an improvement in the tensile properties of the vulcanizate. |
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