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Description
  • Byly zkoumány tlakové a teplotní závislosti smykové a elongační viskozity vybraných materiálů na polymerní bázi. Množství čistých polymerních tavenin a různých kompozitních systémů obsahujících polymerní matrici bylo testováno pomocí modifikovaného kapilárního reometru. Modifikace reometru spočívajícího v přídavku zařízení generujícího protitlak umožňovala zvýšení tlaku uvnitř taveniny až na 100 MPa a následné vyhodnocení tlaku na tokové vlastnosti. Získané viskozitní data při různých tlakových a teplotních podmínkách byly vyhodnoceny pomocí modifikovaného White-Metznerova modelu a takto byly určeny tlakové a teplotní viskozitní koeficienty. (cs)
  • The pressure and temperature dependencies of shear and elongational viscosities of selected polymeric based materials were tested. A number of pure polymeric melts and various composites contain polymer matrix were studied on a modified capillary rheometer. The modification of rheometer consisted of the addition of a backpressure device which enables increasing the pressure in the polymer melt up to 100 MPa, and thus to evaluate its effect on the flow behaviour. The obtained viscosity values at different pressure and temperature conditions were the inputs in the modified White-Metzner model serving for the calculation of melt viscosity dependence on pressure and temperature.
  • The pressure and temperature dependencies of shear and elongational viscosities of selected polymeric based materials were tested. A number of pure polymeric melts and various composites contain polymer matrix were studied on a modified capillary rheometer. The modification of rheometer consisted of the addition of a backpressure device which enables increasing the pressure in the polymer melt up to 100 MPa, and thus to evaluate its effect on the flow behaviour. The obtained viscosity values at different pressure and temperature conditions were the inputs in the modified White-Metzner model serving for the calculation of melt viscosity dependence on pressure and temperature. (en)
Title
  • Pressure-Temperature Dependences of Viscosity of Polymer Melts
  • Pressure-Temperature Dependences of Viscosity of Polymer Melts (en)
  • Tlakové a teplotní závislosti viskozity polymerních tavenin (cs)
skos:prefLabel
  • Pressure-Temperature Dependences of Viscosity of Polymer Melts
  • Pressure-Temperature Dependences of Viscosity of Polymer Melts (en)
  • Tlakové a teplotní závislosti viskozity polymerních tavenin (cs)
skos:notation
  • RIV/70883521:28110/05:63503792!RIV06-AV0-28110___
http://linked.open.../vavai/riv/strany
  • 1141-1144
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  • P(IAA2060202), Z(MSM7088352101)
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  • 538269
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  • RIV/70883521:28110/05:63503792
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  • Polymer based materials; viscosity; pressure dependent viscosity; temperature dependent viscosity (en)
http://linked.open.../riv/klicoveSlovo
http://linked.open...ontrolniKodProRIV
  • [AE550EDE0920]
http://linked.open...v/mistoKonaniAkce
  • Antalya, Turkey
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  • Zenica
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  • 9th Interational Research/Expert Conference TMT 2005
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  • Filip, Petr
  • Sedláček, Tomáš
  • Sáha, Petr
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http://linked.open.../riv/zahajeniAkce
http://linked.open...n/vavai/riv/zamer
number of pages
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  • University of Zenica
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  • 9958-617-28-5
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  • 28110
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