About: Experimental study of sorption and diffusion in semi-crystalline polymers

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rdf:type	skos:Concept http://linked.opendata.cz/ontology/domain/vavai/Vysledek
Description	The main goal of this work is to analyse the dependence of the ethylene solubility on the polymer properties and temperature. In the case of PE, the dependency on temperature and PE density (crystallinity) was investigated. Subsequently, the ethylene solubility in the amorphous phase of PE was evaluated and the observed solubility trends discussed. For the evaluation, the temperature dependent crystallinity and swelling were both considered, which was not yet presented in the literature. In the case of hiPP, the dependency of the ethylene solubility on temperature, the content of EPR and the composition of EPR were investigated. Finally, ethylene solubilities in the amorphous phase of PE were fitted by the perturbed-chain statistical associating fluid theory (PC-SAFT) equation of state. The calculated isotherms were in a good agreement with the experimental data at all temperatures and for all measured PE samples. PC-SAFT enables to extrapolate experimental data, predict the phase equilibrium behavior when data are not available and even to obtain thermodynamic data (e.g., heat of sorption). The main goal of this work is to analyse the dependence of the ethylene solubility on the polymer properties and temperature. In the case of PE, the dependency on temperature and PE density (crystallinity) was investigated. Subsequently, the ethylene solubility in the amorphous phase of PE was evaluated and the observed solubility trends discussed. For the evaluation, the temperature dependent crystallinity and swelling were both considered, which was not yet presented in the literature. In the case of hiPP, the dependency of the ethylene solubility on temperature, the content of EPR and the composition of EPR were investigated. Finally, ethylene solubilities in the amorphous phase of PE were fitted by the perturbed-chain statistical associating fluid theory (PC-SAFT) equation of state. The calculated isotherms were in a good agreement with the experimental data at all temperatures and for all measured PE samples. PC-SAFT enables to extrapolate experimental data, predict the phase equilibrium behavior when data are not available and even to obtain thermodynamic data (e.g., heat of sorption). (en)
Title	Experimental study of sorption and diffusion in semi-crystalline polymers Experimental study of sorption and diffusion in semi-crystalline polymers (en)
skos:prefLabel	Experimental study of sorption and diffusion in semi-crystalline polymers Experimental study of sorption and diffusion in semi-crystalline polymers (en)
skos:notation	RIV/60461373:22340/14:43897932!RIV15-MSM-22340___
http://linked.open...avai/riv/aktivita	S
http://linked.open...avai/riv/aktivity	S
http://linked.open...vai/riv/dodaniDat	2015
http://linked.open...aciTvurceVysledku	Kosek, Juraj Chmelař, Josef Haškovcová, Kateřina
http://linked.open.../riv/druhVysledku	D - Článek ve sborníku
http://linked.open...iv/duvernostUdaju	S - Úplné a pravdivé údaje nepodléhající ochraně podle zvláštních právních předpisů
http://linked.open...titaPredkladatele	Vysoká škola chemicko-technologická v Praze / Fakulta chemicko-inženýrská
http://linked.open...dnocenehoVysledku	15901
http://linked.open...ai/riv/idVysledku	RIV/60461373:22340/14:43897932
http://linked.open...riv/jazykVysledku	eng - angličtina
http://linked.open.../riv/klicovaSlova	polyethylene, high impact polypropylene, ethylene solubilities, crystallinity, gravimetric apparatus, PC-SAFT equation of state (en)
http://linked.open.../riv/klicoveSlovo	crystallinity PC-SAFT equation of state polyethylene ethylene solubilities gravimetric apparatus high impact polypropylene
http://linked.open...ontrolniKodProRIV	[6800FDAACF99]
http://linked.open...v/mistoKonaniAkce	Brno
http://linked.open...i/riv/mistoVydani	Brno
http://linked.open...i/riv/nazevZdroje	Studentská odborná konference Chemie je život 2014
http://linked.open...in/vavai/riv/obor	CI
http://linked.open...ichTvurcuVysledku	3 (xsd:int)
http://linked.open...cetTvurcuVysledku	3 (xsd:int)
http://linked.open...UplatneniVysledku	2014
http://linked.open...iv/tvurceVysledku	Kosek, Juraj Chmelař, Josef Haškovcová, Kateřina
http://linked.open...vavai/riv/typAkce	CST - Celostátní
http://linked.open.../riv/zahajeniAkce	2014-12-04 (xsd:date)
number of pages	8 (xsd:int)
http://purl.org/ne...btex#hasPublisher	Vysoké učení technické v Brně; Fakulta chemická
https://schema.org/isbn	978-80-214-5078-3
http://localhost/t...ganizacniJednotka	22340

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