Polymer mixing effect in a series disc extruder

The mixing mechanism of a new kind of extruder-series disc extruder was studied. PS/Fe 3O 4/acrylic acid blends and HDPE/Mg(OH) 2 blends were mixed by a series disc extruder and a co-rotating twin screw extruder, the dispersion degree and uniformity of blends were studied by micrograph and photograph analyses. The results show that the series disc extruder is much better than the co-rotating twin screw extruder and the mixing effects are different under different rotation speeds and disc gaps.