About: Biodegradable polyhydroxybutyrate as a polyol for elastomeric polyurethanes

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An Entity of Type : http://linked.opendata.cz/ontology/domain/vavai/Vysledek, within Data Space : linked.opendata.cz associated with source document(s)

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rdf:type	skos:Concept http://linked.opendata.cz/ontology/domain/vavai/Vysledek
Description	In the proposed work, new elastomeric bio-polyol based polyurethanes (bio-PUs) with specific mechanical properties were prepared by a one-shot process without the presence of a solvent. Commercial non-degradable polyether polyol derived from petrochemical feed stock was partly (in the amount of 1 mass %, 5 mass %, and 10 mass %) substituted by the biodegradable polyhydroxybutyrate (PHB). Morphology of elastomeric PU composites was evaluated by scanning electron microscopy and mechanical properties of the prepared samples were obtained by both tensile measurements and prediction via the Mooney-Rivlin equation. Electron microscopy proved that the prepared materials have the character of a particle filled composite material, where PHB particles are regular with their size of about 1–2 microm in diameter. Tensil measurements demonstrated that the Youngs modulus, tensile stress at break, and tensile strain at break of each sample increase with the increase of the volume fraction of the filler. From the m In the proposed work, new elastomeric bio-polyol based polyurethanes (bio-PUs) with specific mechanical properties were prepared by a one-shot process without the presence of a solvent. Commercial non-degradable polyether polyol derived from petrochemical feed stock was partly (in the amount of 1 mass %, 5 mass %, and 10 mass %) substituted by the biodegradable polyhydroxybutyrate (PHB). Morphology of elastomeric PU composites was evaluated by scanning electron microscopy and mechanical properties of the prepared samples were obtained by both tensile measurements and prediction via the Mooney-Rivlin equation. Electron microscopy proved that the prepared materials have the character of a particle filled composite material, where PHB particles are regular with their size of about 1–2 microm in diameter. Tensil measurements demonstrated that the Youngs modulus, tensile stress at break, and tensile strain at break of each sample increase with the increase of the volume fraction of the filler. From the m (en)
Title	Biodegradable polyhydroxybutyrate as a polyol for elastomeric polyurethanes Biodegradable polyhydroxybutyrate as a polyol for elastomeric polyurethanes (en)
skos:prefLabel	Biodegradable polyhydroxybutyrate as a polyol for elastomeric polyurethanes Biodegradable polyhydroxybutyrate as a polyol for elastomeric polyurethanes (en)
skos:notation	RIV/00216305:26620/12:PU99352!RIV13-MSM-26620___
http://linked.open...avai/riv/aktivita	S
http://linked.open...avai/riv/aktivity	S
http://linked.open...iv/cisloPeriodika	9
http://linked.open...vai/riv/dodaniDat	2013
http://linked.open...aciTvurceVysledku	Sedláček, Petr Kupka, Vojtěch Vojtová, Lucy Jančář, Josef Žídek, Jan Wasserbauer, Jaromír
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	Vysoké učení technické v Brně / Středoevropský technologický institut
http://linked.open...dnocenehoVysledku	125004
http://linked.open...ai/riv/idVysledku	RIV/00216305:26620/12:PU99352
http://linked.open...riv/jazykVysledku	eng - angličtina
http://linked.open.../riv/klicovaSlova	polyurethanes, elastomers, biodegradable, poly(hydroxybutyrate), simulation, Mooney– Rivlin equation (en)
http://linked.open.../riv/klicoveSlovo	Mooney– Rivlin equation simulation elastomers poly(hydroxybutyrate) biodegradable polyurethanes
http://linked.open...odStatuVydavatele	SK - Slovenská republika
http://linked.open...ontrolniKodProRIV	[FCF4C94132A7]
http://linked.open...i/riv/nazevZdroje	Chemical Papers
http://linked.open...in/vavai/riv/obor	CD
http://linked.open...ichTvurcuVysledku	6 (xsd:int)
http://linked.open...cetTvurcuVysledku	6 (xsd:int)
http://linked.open...UplatneniVysledku	2012
http://linked.open...v/svazekPeriodika	66
http://linked.open...iv/tvurceVysledku	Jančář, Josef Kupka, Vojtěch Sedláček, Petr Vojtová, Lucy Wasserbauer, Jaromír Žídek, Jan
issn	0366-6352
number of pages	6 (xsd:int)
http://localhost/t...ganizacniJednotka	26620

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