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Materiale Plastice
Cite as: Mater. Plast.
https://doi.org/10.37358/Mat.Plast.1964

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Materiale Plastice (Mater. Plast.), Year 2010, Volume 47, Issue 2,





Gheorghe Radu Emil MAries Thermal Analysis of Some Mechanical-Physical Properties of Polyoxymethylenes(POM) used for Manufacturing of Performance Sport Products


Abstract:
This paper presents the influence of the processing temperatures on the physical-mechanical properties of polyoxymethylenes (POM) used in injection molding of high performance sport products. The test-pieces were obtained by processing POM at the following temperatures: 180°C, 190°C, 200°C, 210°C, 220°C, 230°C and 240°C. It was established that the pressure in the mold decreases as the processing temperature increases. Further, thermal analyses (TG, DSC and DMA) were performed and it was noticed that the processing temperature had an influence on the thermal stability of the polymer, but the vitrification temperatures (Tv) and the melt temperatures (Tt) were poorly influenced by the processing temperature. Keywords: polyoxymethylene (POM), injection molding, Thermogravimetry (TG), Differential Scanning Calorimetry (DSC), Dynamic-Mechanical Analysis (DMA)



Issue: 2010 Volume 47, Issue 2
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