| Calculation of Natural Convergent Angle of NR/SBR Compoun Flow during Extrusion |
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| DOI： |
| Key Words: compound；convergent flow；die；extrusion |
| Author Name | Affiliation | | Liang Jizhao | South China University of Science and Technology |
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| Abstract: |
| The end effect of NR/SBR tread compound flow during capillary extrusion was investigated.Based on the previous workck[1]，an equation for calculating the natural convergent semiangle of viscoelastic fluid was proposed and the natural convergenr angle （2α0）of the sample at the inlet during extrusion was estimated.The results showed that 2α0 increased with the rise of the temperature and decreased with the increase of the shear rate. |
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