| Effect of Roller Speed Ratios of Refining Machine on Properties of Reclaimed Rubber Compounds |
| Received:February 26, 2024 Revised:February 26, 2024 |
| DOI：10.12136/j.issn.1000-890X.2025.10.0780 |
| Key Words: refining machine；roller speed ratio；waste rubber；reclaimed rubber；mechanical shear stress；Mooney viscosity；tensile property |
| Author Name | Affiliation | E-mail | | LIU Kexin | College of Electromechanical Engineering,Qingdao University of Science Technology,Shang dong Qingdao
China | 19862125309@163.com | | ZHAO Jinyang | College of Electromechanical Engineering,Qingdao University of Science Technology,Shang dong Qingdao
China | | | CHAI Hailin | College of Electromechanical Engineering,Qingdao University of Science Technology,Shang dong Qingdao
China | | | JIAN Xingao | College of Electromechanical Engineering,Qingdao University of Science Technology,Shang dong Qingdao
China | | | WANG Fu | College of Electromechanical Engineering,Qingdao University of Science Technology,Shang dong Qingdao
China | | | LUAN Qinghao | College of Electromechanical Engineering,Qingdao University of Science Technology,Shang dong Qingdao
China | | | GUO Lei | College of Electromechanical Engineering,Qingdao University of Science Technology,Shang dong Qingdao
China | | | LIU Fumin | College of Electromechanical Engineering,Qingdao University of Science Technology,Shang dong Qingdao
China | | | XU Yuan | College of Electromechanical Engineering,Qingdao University of Science Technology,Shang dong Qingdao
China | | | LIU Haichao* | College of Electromechanical Engineering,Qingdao University of Science Technology,Shang dong Qingdao
China | liuhaichao@qust.edu.cn |
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| Abstract: |
| The effect of the roller speed ratios of the refining machine （hereinafter referred to as roller ratios） on the properties of the reclaimed rubber compounds was studied.The results showed that the mechanical shear stress distribution roles of the waste rubber regeneration between two rollers under different roller speed ratios were essentially the same.As the roller speed ratio increased，the maximum mechanical shear stress of the waste rubber regeneration gradually increased，the Mooney viscosity and crosslink density of the reclaimed rubber compounds gradually decreased，the hardness first increased and then decreased，the sol mass fraction gradually increased.When the roller speed ratio was 1.3∶1，the Fmax－FL，tensile strength and elongation at break of the reclaimed rubber compound were the maximum. |
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