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20 October 2009 Quantitative analyses of extrudate swell for polymer nanocomposites
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Proceedings Volume 7493, Second International Conference on Smart Materials and Nanotechnology in Engineering; 749367 (2009) https://doi.org/10.1117/12.840443
Event: Second International Conference on Smart Materials and Nanotechnology in Engineering, 2009, Weihai, China
Abstract
The quantitative theory of extrudate swell for nanocomposite and pure polymer is significant either for optimum processing or for understanding their viscoelasticity. Based on Song's die swell theory for entangled polymers, one extrudate swell correlation with material properties and capillary parameters was developed for polymer melt and their nanocomposites when compensating reservoir entry effect. It was the first to find that the composite swell ratio can be the matrix swell ratio multiplied by the concentration shift factor. The factor is the functions of the shear field, filler content, filler internal structure and the surface state as well as the matrix properties. The quantitative model was well fitful for the five kinds of nanoomposites.
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Kejian Wang and Chongxiao Sun "Quantitative analyses of extrudate swell for polymer nanocomposites", Proc. SPIE 7493, Second International Conference on Smart Materials and Nanotechnology in Engineering, 749367 (20 October 2009); https://doi.org/10.1117/12.840443
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