| Prediction of Exit Pressure Drop of Rubber Mix in Extruder Die |
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| DOI： |
| Key Words: rubber mix；extrusion；exit pressure drop |
| Author Name | Affiliation | | Liang Jizhao | South China University of Science and Technology |
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| Abstract: |
| It was shown in this paper that the power-law existed between the die swell ratio B and the exit pressure drop ΔPexit of the rubber mix during flowing in the extruder die.The Δ Pexit values of two rubber mixes during capillary extrusion were predicted using the mathematic model proposed in the previous paper.The result showed that the proportion β of Δ Pexit to the end pressure drop Δ Pend decreased as the shear ratio increased，the average value of β was 15%-18%. |
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