About: Rheological characterization and modeling of linear and branched metallocene polypropylenes prepared by reactive processing

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rdf:type	skos:Concept http://linked.opendata.cz/ontology/domain/vavai/Vysledek
Description	The aim of this contribution is to compare rheological behavior of three different samples of metallocene catalyzed polypropylene [virgin (linear) metallocene polypropylene (mPP), and (branched) mPPs prepared through reactive processing with (0.01 wt.%) and without peroxide]. For their theological description in different flow situations (shear and elongational) the extended Pom-Pom (XPP) and PTT-XPP models were used. A rotational rheometer (ARES 2000) with the SER Universal Testing Platform was used for the measurement of dynamic data (storage G' and loss G '' moduli) and uniaxial extensional viscosity. It was shown that both processed (branched) mPPs (with and without peroxide) exhibit distinct behavior in uniaxial extensional viscosity (appearance of strain hardening) in comparison to the virgin (linear) mPP. The XPP and PTT-XPP models proved their usefulness for a branching level quantification based on the measurements of steady shear and elongational viscosities. On the other hand The aim of this contribution is to compare rheological behavior of three different samples of metallocene catalyzed polypropylene [virgin (linear) metallocene polypropylene (mPP), and (branched) mPPs prepared through reactive processing with (0.01 wt.%) and without peroxide]. For their theological description in different flow situations (shear and elongational) the extended Pom-Pom (XPP) and PTT-XPP models were used. A rotational rheometer (ARES 2000) with the SER Universal Testing Platform was used for the measurement of dynamic data (storage G' and loss G '' moduli) and uniaxial extensional viscosity. It was shown that both processed (branched) mPPs (with and without peroxide) exhibit distinct behavior in uniaxial extensional viscosity (appearance of strain hardening) in comparison to the virgin (linear) mPP. The XPP and PTT-XPP models proved their usefulness for a branching level quantification based on the measurements of steady shear and elongational viscosities. On the other hand (en)
Title	Rheological characterization and modeling of linear and branched metallocene polypropylenes prepared by reactive processing Rheological characterization and modeling of linear and branched metallocene polypropylenes prepared by reactive processing (en)
skos:prefLabel	Rheological characterization and modeling of linear and branched metallocene polypropylenes prepared by reactive processing Rheological characterization and modeling of linear and branched metallocene polypropylenes prepared by reactive processing (en)
skos:notation	RIV/70883521:28110/09:63508108!RIV10-MSM-28110___
http://linked.open...avai/riv/aktivita	P Z
http://linked.open...avai/riv/aktivity	P(IAA200600703), Z(AV0Z20600510), Z(MSM7088352101)
http://linked.open...iv/cisloPeriodika	1-2
http://linked.open...vai/riv/dodaniDat	2010
http://linked.open...aciTvurceVysledku	Zatloukal, Martin Pivokonský, Radek
http://linked.open.../riv/druhVysledku	J - Článek v odborném periodiku
http://linked.open...iv/duvernostUdaju	S - Úplné a pravdivé údaje nepodléhající ochraně podle zvláštních právních předpisů
http://linked.open...titaPredkladatele	Univerzita Tomáše Bati ve Zlíně / Fakulta technologická
http://linked.open...dnocenehoVysledku	339347
http://linked.open...ai/riv/idVysledku	RIV/70883521:28110/09:63508108
http://linked.open...riv/jazykVysledku	eng - angličtina
http://linked.open.../riv/klicovaSlova	Melt strength; Metallocene polypropylene; Elongational viscosity (en)
http://linked.open.../riv/klicoveSlovo	Elongational viscosity Melt strength Metallocene polypropylene
http://linked.open...odStatuVydavatele	NL - Nizozemsko
http://linked.open...ontrolniKodProRIV	[A3E19FAE37EC]
http://linked.open...i/riv/nazevZdroje	Journal of Non-Newtonian Fluid Mechanics
http://linked.open...in/vavai/riv/obor	CD
http://linked.open...ichTvurcuVysledku	2 (xsd:int)
http://linked.open...cetTvurcuVysledku	4 (xsd:int)
http://linked.open...vavai/riv/projekt	Investigation of flow behaviour for a novel class of metallocene-based polymers
http://linked.open...UplatneniVysledku	2009
http://linked.open...v/svazekPeriodika	156
http://linked.open...iv/tvurceVysledku	Filip, Petr Zatloukal, Martin Pivokonský, Radek Tzoganakis, Costas
http://linked.open...n/vavai/riv/zamer	Dynamics of Fluid Systems and Transformation Processes in Hydrosphere Multifunctional Composite Systems Based on Natural and Synthetic Polymers
issn	0377-0257
number of pages	6 (xsd:int)
http://localhost/t...ganizacniJednotka	28110
is http://linked.open...avai/riv/vysledek of	Rheological characterization and modeling of linear and branched metallocene polypropylenes prepared by reactive processing Rheological characterization and modeling of linear and branched metallocene polypropylenes prepared by reactive processing Rheological characterization and modeling of linear and branched metallocene polypropylenes prepared by reactive processing Rheological characterization and modeling of linear and branched metallocene polypropylenes prepared by reactive processing

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