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Journal of Plastics Technology 2014/02

Analysis of the morphology of injection molded plates of PP/SiO2 -nanocomposites

Analysis of the morphology of injection molded plates of PP/SiO2-nanocomposites

This study comprises the analysis of the microstructure of injection molded specimens of polypropylene (PP) filled with SiO2 nanoparticles. Three independent methods were used for morphology analysis: from the test specimens, thin sections were taken and examined in polarized transmitted light. Parallel samples were chemically etched and analyzed in reflecting light. By thermal analysis (DSC) in addition, the degree of crystallinity was determined along the wall thickness. The results clearly show five layers along the wall thickness. While the spherulite size decreases from the center to the edge continuously, thermal analysis exhibits a local maximum in the degree of crystallinity in the transition layer closest to the cavity wall. Generally both the spherulite size and the degree of crystallinity decrease as higher the filler loading.

M. Eng. Buncha Suksut1 , Prof. Dr.-Ing. Alois K. Schlarb1,2,3
1 Composite Engineering, University of Kaiserslautern, Kaiserslautern, Germany
2 INM – Leibniz Institute for New Materials, Saarbrucken, Germany
3 Research Center OPTIMAS, University of Kaiserslautern, Kaiserslautern, Germany

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The Journal of Plastics Technology is a peer reviewed internet periodical published under the auspices of the Scientific Alliance of Polymer Technology (WAK)


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International Polymer Processing

International Polymer Processing, the journal of the Polymer Processing Society, is a discussion forum for the world-wide community of engineers and scientists in the field of polymer processing.

The journal covers research and industrial application in the very specific areas of designing polymer products, processes, processing machinery and equipment.


International Polymer Processing


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The Journal of Plastics Technology is indexed in SCOPUS, the largest abstract and citation database of peer-reviewed literature.