| 双螺杆挤出机胶粉脱硫工艺条件的研究 |
| Study on Desulfurization Process Conditions of Rubber Powder by Twin Screw Extruder |
| 投稿时间：2022-06-16 修订日期：2022-06-16 |
| DOI：10.12136/j.issn.1000-890X.2024.01.0053 |
| 中文关键词: 胶粉 双螺杆挤出机 脱硫 工艺条件 |
| 英文关键词: rubber powder twin screw extruder desulfurization process condition |
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| 中文摘要: |
| 研究同向双螺杆挤出机的螺杆结构、脱硫温度和螺杆转速对胶粉脱硫的影响。结果表明：螺杆结构越有利于提高螺杆的混合和剪切能力，胶粉的溶胶含量越大，交联密度越小；当脱硫温度从170 ℃升高至190 ℃时，胶粉的脱硫效果有一定改善；当螺杆转速从50 r·min-1增至90 r·min-1时，胶粉的脱硫效果明显改善；当脱硫温度为180～190 ℃、螺杆转速为50～70 r·min-1时，中等混合和剪切能力螺杆的脱硫胶粉的脱硫效果较好，胶粉胶料的拉伸性能较优。 |
| 英文摘要: |
| 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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