Thermo-Rheological Investigation and Modeling of the Shear Viscosity of Polypropylene above the Melting Temperature

The increasing use of polymeric materials in the daily life, leads to challenges in the processing industry to deliver high performance materials with affordable terms. However, new processing techniques lead to high costs. In order to reduce processing costs it is necessary to understand the non-N...

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Autores principales: Ammar Al-Baldawi, Shatha K. Muallah, Olaf Wünsch
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Lenguaje:EN
Publicado: Al-Khwarizmi College of Engineering – University of Baghdad 2013
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Acceso en línea:https://doaj.org/article/beb311994097493c8fc87d7663b2c09a
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spelling oai:doaj.org-article:beb311994097493c8fc87d7663b2c09a2021-12-02T04:42:05ZThermo-Rheological Investigation and Modeling of the Shear Viscosity of Polypropylene above the Melting Temperature1818-11712312-0789https://doaj.org/article/beb311994097493c8fc87d7663b2c09a2013-12-01T00:00:00Zhttp://alkej.uobaghdad.edu.iq/index.php/alkej/article/view/181https://doaj.org/toc/1818-1171https://doaj.org/toc/2312-0789 The increasing use of polymeric materials in the daily life, leads to challenges in the processing industry to deliver high performance materials with affordable terms. However, new processing techniques lead to high costs. In order to reduce processing costs it is necessary to understand the non-Newtonian behavior of the polymers in their molten state to be able to simulate the processes before the construction of the plants starts. Here the shear thinning behavior of the viscosity of polymeric melts is essential. Thus, this paper deals with the experimental investigation of the thermo-rheological behavior of the viscosity of one of the most used polymers (Polypropylene) over a wide range of temperatures and shear rates.  Furthermore, a modeling approach of the viscosity via a generalized non-Newtonian law combined with an Arrhenius model is done. Ammar Al-BaldawiShatha K. MuallahOlaf WünschAl-Khwarizmi College of Engineering – University of BaghdadarticlePolymer melt, Polypropylenethermo-rheological modelinggeneralized Newtonian fluidCross modelshear viscosityshear thinning behaviorChemical engineeringTP155-156Engineering (General). Civil engineering (General)TA1-2040ENAl-Khawarizmi Engineering Journal, Vol 9, Iss 4 (2013)
institution DOAJ
collection DOAJ
language EN
topic Polymer melt, Polypropylene
thermo-rheological modeling
generalized Newtonian fluid
Cross model
shear viscosity
shear thinning behavior
Chemical engineering
TP155-156
Engineering (General). Civil engineering (General)
TA1-2040
spellingShingle Polymer melt, Polypropylene
thermo-rheological modeling
generalized Newtonian fluid
Cross model
shear viscosity
shear thinning behavior
Chemical engineering
TP155-156
Engineering (General). Civil engineering (General)
TA1-2040
Ammar Al-Baldawi
Shatha K. Muallah
Olaf Wünsch
Thermo-Rheological Investigation and Modeling of the Shear Viscosity of Polypropylene above the Melting Temperature
description The increasing use of polymeric materials in the daily life, leads to challenges in the processing industry to deliver high performance materials with affordable terms. However, new processing techniques lead to high costs. In order to reduce processing costs it is necessary to understand the non-Newtonian behavior of the polymers in their molten state to be able to simulate the processes before the construction of the plants starts. Here the shear thinning behavior of the viscosity of polymeric melts is essential. Thus, this paper deals with the experimental investigation of the thermo-rheological behavior of the viscosity of one of the most used polymers (Polypropylene) over a wide range of temperatures and shear rates.  Furthermore, a modeling approach of the viscosity via a generalized non-Newtonian law combined with an Arrhenius model is done.
format article
author Ammar Al-Baldawi
Shatha K. Muallah
Olaf Wünsch
author_facet Ammar Al-Baldawi
Shatha K. Muallah
Olaf Wünsch
author_sort Ammar Al-Baldawi
title Thermo-Rheological Investigation and Modeling of the Shear Viscosity of Polypropylene above the Melting Temperature
title_short Thermo-Rheological Investigation and Modeling of the Shear Viscosity of Polypropylene above the Melting Temperature
title_full Thermo-Rheological Investigation and Modeling of the Shear Viscosity of Polypropylene above the Melting Temperature
title_fullStr Thermo-Rheological Investigation and Modeling of the Shear Viscosity of Polypropylene above the Melting Temperature
title_full_unstemmed Thermo-Rheological Investigation and Modeling of the Shear Viscosity of Polypropylene above the Melting Temperature
title_sort thermo-rheological investigation and modeling of the shear viscosity of polypropylene above the melting temperature
publisher Al-Khwarizmi College of Engineering – University of Baghdad
publishDate 2013
url https://doaj.org/article/beb311994097493c8fc87d7663b2c09a
work_keys_str_mv AT ammaralbaldawi thermorheologicalinvestigationandmodelingoftheshearviscosityofpolypropyleneabovethemeltingtemperature
AT shathakmuallah thermorheologicalinvestigationandmodelingoftheshearviscosityofpolypropyleneabovethemeltingtemperature
AT olafwunsch thermorheologicalinvestigationandmodelingoftheshearviscosityofpolypropyleneabovethemeltingtemperature
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