Morphology evolution in PS/LDPE blends in a twin screw extruder: Effects of compatibilizer

In order to understand the mixing in polymer extrusion, the morphology of PS/LDPE blends compatibilized with SEES was simulated based on the Lee and Park model. Experiments were performed in a co-rotating twin screw extruder and a Haake mixer, and the morphology of the compatibilized blends of various compositions was compared with the non-compatibilized ones. The size of the dispersed phase of the compatibilized blend was smaller than the noncompatibilized one, and the blend of the PE matrix had a smaller size in the dispersed phase than the non-compatibilized one. Simulation results were agreed well with experiments, and the Lee and Park model could be applied in the extrusion analysis of compatibilized polymer blends.
Publisher
KOREAN INST CHEM ENGINEERS
Issue Date
2001-01
Language
ENG
Keywords

MECHANICAL-PROPERTIES; POLYMER BLENDS; POLYETHYLENE; POLYSTYRENE

Citation

KOREAN JOURNAL OF CHEMICAL ENGINEERING, v.18, no.1, pp.33 - 39

ISSN
0256-1115
URI
http://hdl.handle.net/10203/5142
Appears in Collection
CBE-Journal Papers(저널논문)
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