2019
DOI: 10.11159/htff19.109
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Investigation of Thermal Stability of Non-Newtonian Melt Flows

Abstract: Polymers are one of the major classes of raw materials available for many aspects of production. Extrusion is a fundamental method for processing polymeric materials to form a wide range of products. Being poor thermal conductors these materials are difficult to heat and cool and also exhibit high viscosity in their molten state. Hence, heat transfer and rheology are major aspects of polymer processing applications. Also, polymer melts usually exhibit a non-Newtonian behaviour and hence are quite complicated t… Show more

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Cited by 2 publications
(1 citation statement)
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“…Applying the Cox–Merz rule, as the frequency was replaced by the shear rate, the values of viscosities at shear rates at 100 s −1 tended to lie below 10,000 Pa s [ 84 ]. As the data points for this frequency were measured at the beginning, the loss of PEG was minimal and the values confirmed the processibility of these blends in an extruder at 200 °C [ 82 , 85 , 86 , 87 , 88 , 89 ]. Figure 8 b shows the influence of temperature on the viscosity of blend E3_PEG200_20.…”
Section: Resultsmentioning
confidence: 59%
“…Applying the Cox–Merz rule, as the frequency was replaced by the shear rate, the values of viscosities at shear rates at 100 s −1 tended to lie below 10,000 Pa s [ 84 ]. As the data points for this frequency were measured at the beginning, the loss of PEG was minimal and the values confirmed the processibility of these blends in an extruder at 200 °C [ 82 , 85 , 86 , 87 , 88 , 89 ]. Figure 8 b shows the influence of temperature on the viscosity of blend E3_PEG200_20.…”
Section: Resultsmentioning
confidence: 59%