| Study on Desulfurization Process Conditions of Rubber Powder by Twin Screw Extruder |
| Received:June 16, 2022 Revised:June 16, 2022 |
| DOI：10.12136/j.issn.1000-890X.2024.01.0053 |
| Key Words: rubber powder；twin screw extruder；desulfurization；process condition |
| Author Name | Affiliation | E-mail | | LIU Zhiguo | Qingdao Borui Zhiyuan Anti-vibration Technology Co., Ltd. | liuzhiguo.ss@crrcgc.cc | | WAN Jijun | Qingdao Borui Zhiyuan Anti-vibration Technology Co., Ltd. | | | LIU Zhiao | Qingdao University of Science and Technology | | | GENG Yifei | Qingdao University of Science and Technology | | | ZHAO Shugao | Qingdao University of Science and Technology | | | LI Peijun* | Qingdao University of Science and Technology | li@qust.edu.cn |
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| Abstract: |
| The effect of screw structure，desulfurization temperature and screw speed on the rubber
powder desulfurization by the co-rotating twin screw extruder was studied. The results showed that the
screw structure was more conducive to improving the mixing and shear ability of the screw，and the larger
the sol content of the rubber powder was，the smaller the crosslinking density was. When the desulfurization
temperature increased from 170 ℃ to 190 ℃，the desulfurization effect of the rubber powder was improved to
a certain extent. When the screw speed increased from 50 r·min-1 to 90 r·min-1，the desulfurization effect
of the rubber powder was significantly improved. When the desulfurization temperature was 180～190 ℃ and
the screw speed was 50～70 r·min-1，the desulfurization effect of the rubber powder with medium mixing
and shear ability screw were better，and the tensile properties of the desulfurization rubber powder compound
were superior. |
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