Abstract
AbstractFour kinds of ethylene–proplene–diene/maleic anhydride compatibilized polyamide 6/polypropylene samples were prepared with different mixing sequences and showed significant differences in the Izod impact strength. The morphological features of these samples were characterized with scanning electron microscopy, and a heterogeneous dispersion of the compatibilizer in the injection‐molded samples was observed; this was related to the shear field in the skin and subskin layers during injection. A parameter, the transfer energy, is put forward to interpret the dispersion of the compatibilizer in the injection‐molded blends, and the results show that the transfer energy is a key factor in determining the transfer of the compatibilizer. © 2009 Wiley Periodicals, Inc. J Appl Polym Sci, 2009
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