| NR/SBR混炼胶挤出流动中自然收敛角的计算 |
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| 引用本文： | 梁基照.NR/SBR混炼胶挤出流动中自然收敛角的计算[J].橡胶工业,1996,43(8):458-461. |
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| 作者姓名： | 梁基照 |
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| 作者单位： | 华南理工大学 |
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| 摘 要： | 考察了ＮＲ／ＳＢＲ共混胎面胶在毛细管挤出流动中的末端效应、基于以前的工作［１］提出了粘弹性流体自然收敛半角方程，并估算了试样在挤出条件下的人口自然收敛角（２α０）。结果表明，２α０值随着温度的升高而有所增大．随着剪切速率的增加而减小。
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| 关 键 词： | 混炼胶，收敛流动，口型，挤出 |
Calculation of Natural Convergent Angle of NR/SBR Compoun Flow during Extrusion |
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| Liang Jizhao.Calculation of Natural Convergent Angle of NR/SBR Compoun Flow during Extrusion[J].China Rubber Industry,1996,43(8):458-461. |
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| Authors: | Liang Jizhao |
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| Affiliation: | South China University of Science and Technology 510641 |
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| Abstract: | The end effect of NR/SBR tread compound flow during capillary extrusion was investigated. Based on the previous workLlj,an equation for calculating the natural convergent semiangle of viscoelastic fluid was proposed and the natural convergent angle (2a0)of the sample at the inlet during extrusion was estimated. The results showed that 2a0 increased with the rise of the temperature and decreased with the increase of the shear rate. |
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| Keywords: | compound convergent flow die extrusion |
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