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Description
| - The relation between PVT and rheological measurements of several polymer melts including polyethylenes, polypropylene, polystyrene, poly(methyl methacrylate), and polycarbonate has been taken into investigation. Pressure-temperature dependent viscosities, determined on rotational and backpressure-modified capillary rheometers, were fitted through the Carreau-Yasuda model. PVT data was analyzed by the help of the Simha-Somcynsky equation of state (SS EOS). The thermodynamical parameters of the SS EOS were connected to constant-stress viscosity (experimental) and zero-shear viscosity (extrapolated). The Doolittle relationship was modified into the form of . The relation was employed and tested for the data evaluation. It proved to be a good tool for linearization of PVT and rheological data.
- The relation between PVT and rheological measurements of several polymer melts including polyethylenes, polypropylene, polystyrene, poly(methyl methacrylate), and polycarbonate has been taken into investigation. Pressure-temperature dependent viscosities, determined on rotational and backpressure-modified capillary rheometers, were fitted through the Carreau-Yasuda model. PVT data was analyzed by the help of the Simha-Somcynsky equation of state (SS EOS). The thermodynamical parameters of the SS EOS were connected to constant-stress viscosity (experimental) and zero-shear viscosity (extrapolated). The Doolittle relationship was modified into the form of . The relation was employed and tested for the data evaluation. It proved to be a good tool for linearization of PVT and rheological data. (en)
- Byl zkoumán vztah mezi PVT a reologickými měřeními několika polymerních tavenin # polyetylénu, polypropylene, polystyrene, polymetylmetakrylátu a polykarbonátu. Tlakové a teplotní závislosti viskozitního chování určené pomocí rotačního a modifikovaného kapilárního reometru byly fitovány Carreau-Yaskudovým modelem. PVT data byly analyzovány pomocí stavové rovnice Simha-Somcynského. Termodynamické parametry této rovnice pak byly spojeny s daty viskozitními při konstantním napětí (experimentální) a při nulovém napětí (extrapolované). Pro spojení bylo využito modifikovaného Doolittlova vztahu. Modifikace se ukázala jako vhodný nástroj pro linearizaci PVT a reologických dat. (cs)
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Title
| - On PVT and Rheological Measurment of Polymer Melts: Correction of Hole Fraction - Viscosity Relationship
- PVT a reologická měření: Korekce vztahu volný objem - viskozita (cs)
- On PVT and Rheological Measurment of Polymer Melts: Correction of Hole Fraction - Viscosity Relationship (en)
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skos:prefLabel
| - On PVT and Rheological Measurment of Polymer Melts: Correction of Hole Fraction - Viscosity Relationship
- PVT a reologická měření: Korekce vztahu volný objem - viskozita (cs)
- On PVT and Rheological Measurment of Polymer Melts: Correction of Hole Fraction - Viscosity Relationship (en)
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skos:notation
| - RIV/70883521:28110/05:63503789!RIV06-AV0-28110___
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http://linked.open.../vavai/riv/strany
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http://linked.open...avai/riv/aktivita
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http://linked.open...avai/riv/aktivity
| - P(IAA2060202), Z(MSM7088352101)
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http://linked.open...iv/cisloPeriodika
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http://linked.open...vai/riv/dodaniDat
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http://linked.open...aciTvurceVysledku
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http://linked.open.../riv/druhVysledku
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http://linked.open...iv/duvernostUdaju
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http://linked.open...titaPredkladatele
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http://linked.open...dnocenehoVysledku
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http://linked.open...ai/riv/idVysledku
| - RIV/70883521:28110/05:63503789
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http://linked.open...riv/jazykVysledku
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http://linked.open.../riv/klicovaSlova
| - PVT diagrams; rheology; polymer melts; pressure dependent viscosity; temperature dependent viscosity (en)
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http://linked.open.../riv/klicoveSlovo
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http://linked.open...odStatuVydavatele
| - DE - Spolková republika Německo
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http://linked.open...ontrolniKodProRIV
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http://linked.open...i/riv/nazevZdroje
| - International Polymer Processing
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http://linked.open...in/vavai/riv/obor
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http://linked.open...ichTvurcuVysledku
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http://linked.open...cetTvurcuVysledku
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http://linked.open...vavai/riv/projekt
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http://linked.open...UplatneniVysledku
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http://linked.open...v/svazekPeriodika
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http://linked.open...iv/tvurceVysledku
| - Sedláček, Tomáš
- Sáha, Petr
- Hausnerová, Berenika
- Zatloukal, Martin
- Čermák, Roman
- Boldizar, Antal
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http://linked.open...n/vavai/riv/zamer
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issn
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number of pages
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http://localhost/t...ganizacniJednotka
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