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Morphology of injection molded modified poly(phenylene oxide)/polyamide-6 blends

Cited 27 time in Web of Science Cited 31 time in Scopus
Authors
Son, Younggon; Ahn, Kyung Hyun; Char, Kookheon
Issue Date
2004-04-04
Publisher
John Wiley & Sons
The Royal Entomological Society
Citation
Polym. Eng. Sci. 40. 1376 (2004)
Abstract
The morphology of injection molded poly(phenylene oxide)/polyamide-6 blends was investigated. A distinct skin layer, subskin layer, and core region were found across the part thickness, and the morphology of the skin layer was clearly observed. The shape and size of the dispersed phase depended on the position across the part thickness and the viscosity ratio of the component polymers. For low viscosity ratios, small and large particles coexisted in the subskin layer, implying that both coalescence and breakup of the dispersed phase occurred in that layer. For high viscosity ratios, an intermediate zone, in which little deformation of the dispersed phase occurred, was found between the skin layer and the subskin layer. These findings are expected to help foster understanding of the mechanism of morphology evolution during the filling and cooling stages of the injection molding process.
ISSN
0032-3888 (print)
1548-2634 (online)
Language
English
URI
http://hdl.handle.net/10371/5875
DOI
https://doi.org/10.1002/pen.11267
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College of Engineering/Engineering Practice School (공과대학/대학원)Dept. of Chemical and Biological Engineering (화학생물공학부)Journal Papers (저널논문_화학생물공학부)
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