期刊
JOURNAL OF APPLIED POLYMER SCIENCE
卷 120, 期 4, 页码 2173-2182出版社
WILEY
DOI: 10.1002/app.33166
关键词
PA6/ABS blends; phase morphology; rheology behavior; Carreau-Yasuda model; relaxation time
Phase morphology and rheological behavior of polyamide 6 (PA6)/acrylonitrile butadiene styrene (ABS) polymers blends was studied using scanning electron microscopy and rheometry. The results showed that the phase morphology and rheological properties depends on blend composition. We evaluated the effect of addition of ABS as dispersed phase and EnBACO-MAH (ethylene n-butyl acrylate carbon monoxide maleic anhydride) as a compatibilizer on the morphological and rheological behaviors of PA6/ABS blends. It was concluded that there is a good agreement between the results obtained from rheological and morphological studies. As a consequence, addition of the ABS and compatibilizer weight percent led to a significant change in morphological structure and a great mounting in the viscosity as well as the elasticity. The rheological properties results demonstrate that adding compatibilizer to polymer blends led to increasing the crossover point, which shows a transition from a high viscous to a considerably more elastic behavior. Also, the slow transition of relaxation time peak from the peak of the PA6 to the peak of the ABS implies increasing the miscibility of the PA6/ABS blend components by increasing compatibilizer content. In addition, the Carreau-Yasuda model was used to extract information on rheological properties (zero shear viscosity and relaxation time) for PA6/ABS/EnBACO-MAH blends by fitting the experimental data with this model. (C) 2010 Wiley Periodicals, Inc. J Appl Polym Sci 120: 2173-2182, 2011
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