| Numerical Simulation on Mixing of Solid Powder and Polymer in Double-rotor Continuous Mixer |
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| DOI： |
| Key Words: solid powder；polymer；double-rotor continuous mixer；mixing performance；numerical simulation |
| Author Name | Affiliation | | MA Kun | Beijing University of Chemical Technology | | DING Yu-mei | Beijing University of Chemical Technology | | SHAO Jian-bo | Beijing University of Chemical Technology | | LIU Miao-miao | Beijing University of Chemical Technology | | YANG Wei-min | Beijing University of Chemical Technology | | AN Ying | Beijing University of Chemical Technology |
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| Abstract: |
| The mixing process of solid powder and polymer matrix in a double-rotor continuous mixer was simulated by using polymer processing analysis software POLYFLOW.The 3D isothermal non-Newtonian flow fields and dynamic mixing under different rotor speeds were calculated and statistics post-processing was conducted.Axial mixing performance of the compound was evaluated by using cumulative residence time distribution.Dispersive mixing state of solid powder agglomerates in polymer matrix was evaluated by using accumulative size distribution function of solid powder agglo merates.Distribution mixing performance of the compound was evaluated by using segregation scale distribution.The results showed that，through increasing the rotor speed within a certain range，dispersion and distribution mixing performance of solid powder and polymer could be improved，and it was full of significance to determine a reasonable rotor speed range to obtain high performance polymer composites. |
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