About: On the rheological characterisation of linear and branched metallocene polypropylenes prepared by reactive extrusion process     Goto   Sponge   NotDistinct   Permalink

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Description
  • Byla provedena měření reologických charakteristik pro tři typy materiálů: čistý (lineární) metallocenový polypropylen (mPP) a zpracovaný mPP s peroxidem a bez peroxidu. Byla ověřena možnost použití XPP modelu pro jednotlivé typy měřených materiálů. (cs)
  • Measurements of the rheological characteristics (dynamic properties - storage G’ and loss G’’ moduli and transient uniaxial extensional viscosity) were carried out for pure (linear) metallocene polypropylene (mPP), and processed mPP with (weight percentage of peroxide 0.01%) and without peroxide. For proper determination of a temperature field in the close vicinity of a sample during measurement of elongational viscosity it was necessary to insert two thermocouples into the ARES 2000 oven equipped with the SER Universal Testing Platform as a transition of these materials from a solid-like state to apparent fluidity is within a couple of degrees. For the branching level characterisation of mPP the XPP model was used. The XPP model was able to fit both steady shear and uniaxial extensional viscosities in a sufficient agreement with the measured data.
  • Measurements of the rheological characteristics (dynamic properties - storage G’ and loss G’’ moduli and transient uniaxial extensional viscosity) were carried out for pure (linear) metallocene polypropylene (mPP), and processed mPP with (weight percentage of peroxide 0.01%) and without peroxide. For proper determination of a temperature field in the close vicinity of a sample during measurement of elongational viscosity it was necessary to insert two thermocouples into the ARES 2000 oven equipped with the SER Universal Testing Platform as a transition of these materials from a solid-like state to apparent fluidity is within a couple of degrees. For the branching level characterisation of mPP the XPP model was used. The XPP model was able to fit both steady shear and uniaxial extensional viscosities in a sufficient agreement with the measured data. (en)
Title
  • On the rheological characterisation of linear and branched metallocene polypropylenes prepared by reactive extrusion process
  • K reologické charakterizaci lineárních a rozvětvených zpracovaných metalocenových polypropylenů (cs)
  • On the rheological characterisation of linear and branched metallocene polypropylenes prepared by reactive extrusion process (en)
skos:prefLabel
  • On the rheological characterisation of linear and branched metallocene polypropylenes prepared by reactive extrusion process
  • K reologické charakterizaci lineárních a rozvětvených zpracovaných metalocenových polypropylenů (cs)
  • On the rheological characterisation of linear and branched metallocene polypropylenes prepared by reactive extrusion process (en)
skos:notation
  • RIV/67985874:_____/07:00096957!RIV08-AV0-67985874
http://linked.open.../vavai/riv/strany
  • 1;8
http://linked.open...avai/riv/aktivita
http://linked.open...avai/riv/aktivity
  • P(IAA200600703), Z(AV0Z20600510)
http://linked.open...vai/riv/dodaniDat
http://linked.open...aciTvurceVysledku
http://linked.open.../riv/druhVysledku
http://linked.open...iv/duvernostUdaju
http://linked.open...titaPredkladatele
http://linked.open...dnocenehoVysledku
  • 439426
http://linked.open...ai/riv/idVysledku
  • RIV/67985874:_____/07:00096957
http://linked.open...riv/jazykVysledku
http://linked.open.../riv/klicovaSlova
  • constitutive equations; polymer melts; shear flow; elongational flow (en)
http://linked.open.../riv/klicoveSlovo
http://linked.open...ontrolniKodProRIV
  • [19E826AC56D5]
http://linked.open...v/mistoKonaniAkce
  • Gothenburg
http://linked.open...i/riv/mistoVydani
  • Copenhagen
http://linked.open...i/riv/nazevZdroje
  • PPS07 EA: Europe/Africa Regional Meeting 2007
http://linked.open...in/vavai/riv/obor
http://linked.open...ichTvurcuVysledku
http://linked.open...cetTvurcuVysledku
http://linked.open...vavai/riv/projekt
http://linked.open...UplatneniVysledku
http://linked.open...iv/tvurceVysledku
  • Filip, Petr
  • Zatloukal, M.
  • Pivokonský, Radek
  • Tzoganakis, C.
http://linked.open...vavai/riv/typAkce
http://linked.open.../riv/zahajeniAkce
http://linked.open...n/vavai/riv/zamer
number of pages
http://purl.org/ne...btex#hasPublisher
  • Hexagon Holding ApS
https://schema.org/isbn
  • 87-89753-56-9
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