| Research on High-pressure Water Jet Rubber Powder Replacing Carbon Black to Reinforce NR |
| Received:July 24, 2023 Revised:July 24, 2023 |
| DOI：10.12136/j.issn.1000-890X.2025.02.0102 |
| Key Words: high-pressure water jet rubber powder；carbon black；NR；wet mixing；physical property；dynamic mechanical property |
| Author Name | Affiliation | E-mail | | GUO Shouyun* | Qingdao University of Science and Technology | 644370152@qq.com | | LIU Gongxu | Qingdao University of Science and Technology | | | BAI Lichen | Qingdao University of Science and Technology | | | ZHAO Jinyang | Qingdao University of Science and Technology | | | LIU Kexin | Qingdao University of Science and Technology | | | CHAI Hailin | Qingdao University of Science and Technology | | | JIAN Xingao | Qingdao University of Science and Technology | | | LIU Haichao | Qingdao University of Science and Technology | | | GUO Lei | Qingdao University of Science and Technology | |
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| Abstract: |
| Using high-pressure water jet rubber powder partially replaced carbon black N330 in natural rubber（NR） compound，and the influence of water jet rubber powder dosage on the properties of NR compound was studied by adopting dry and wet mixing processes respectively.The results showed that with the increase of water jet rubber powder dosage，the dispersion of the filler improved，thet90 of the compound trended to shorten，the FL，Fmax，density，hardness and modulus of the compound decreased，the tensile strength and elongation at break increased at first and then decreased，the wet skid resistance and rolling resistance decreased.Compared with dry mixing mixed compound ，the dispersion of the filler and physical properties of the wet mixed compound were better.When water jet rubber powder dosage was 10 phr and using wet mixing process，the comprehensive properties of the compound were the best. |
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