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Determination of pressure coefficient of polymer melts from shear flow

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dc.title Determination of pressure coefficient of polymer melts from shear flow en
dc.contributor.author Sedláček, Tomáš
dc.contributor.author Zatloukal, Martin
dc.contributor.author Lengálová, Anežka
dc.contributor.author Filip, Petr
dc.contributor.author Sáha, Petr
dc.relation.ispartof Annual Technical Conference - ANTEC, Conference Proceedings
dc.date.issued 2003
utb.relation.volume 3
dc.citation.spage 3748
dc.citation.epage 3752
dc.event.title 61st Annual Technical Conference ANTEC 2003
dc.event.location Nashville, TN
utb.event.state-en United States
utb.event.state-cs Spojené státy americké
dc.event.sdate 2003-05-04
dc.event.edate 2003-05-08
dc.type conferenceObject
dc.language.iso en
dc.relation.uri http://www.4spe.org/Resources/resource.aspx?ItemNumber=7214
dc.subject Additional chamber en
dc.subject Modified rheometer en
dc.subject Pressure coefficient en
dc.subject Shear viscosity en
dc.description.abstract A modified capillary rheometer was used to measure strain rate-temperature-pressure dependencies of shear viscosity for injection molding grades of polymers. The modification consisted in the addition of a second chamber and a restricting needle valve below the main die, and its purpose was to determine the effect of pressure on the shear viscosity of different polymer melts. The modified White-Metzner model was employed to simultaneously fit the measured viscosity data and determine the pressure and temperature coefficients, ß and α. It has been found that not only the temperature but also the pressure factor significantly influences viscosity, and both of them are useful for the description of a polymer behaviour. en
utb.faculty Faculty of Technology
dc.identifier.uri http://hdl.handle.net/10563/1005093
utb.identifier.scopus 2-s2.0-0141728500
utb.identifier.coden ACPED
utb.source d-scopus
dc.date.accessioned 2015-06-04T12:56:58Z
dc.date.available 2015-06-04T12:56:58Z
utb.contributor.internalauthor Sedláček, Tomáš
utb.contributor.internalauthor Zatloukal, Martin
utb.contributor.internalauthor Lengálová, Anežka
utb.contributor.internalauthor Sáha, Petr
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