About: The influence of organoclays on the morphology, phase separation and thermal properties of polycarbonate-based polyurethane hybrid materials

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About: The influence of organoclays on the morphology, phase separation and thermal properties of polycarbonate-based polyurethane hybrid materials Goto Sponge NotDistinct Permalink

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Attributes	Values
rdf:type	skos:Concept http://linked.opendata.cz/ontology/domain/vavai/Vysledek
rdfs:seeAlso	http://www.mjcce.org.mk/index.php/MJCCE/article/view/144
Description	Polycarbonate-based polyurethane (PC-PU) nanostructured composites were obtained using a one-step technique, by the addition of 1 wt.% organically modified clays (either bentonite or montmorillonite). Only aliphatic components (polycarbonate diol, hexamethylene-diisocyanate and 1,4-butane diol) were used as reactants. The hard segment content of the obtained polyurethanes was 30 wt.%. Scanning electron microscopy (SEM) and Fourier transform infrared spectroscopy (FT-IR) were performed to investigate the morphology and hydrogen bonding formation in prepared elastomers. The influence of nanofiller addition on thermal properties of PC-PUs was studied using differential scanning calorimetry (DSC). The degree of phase separation of polyurethane nanocomposites was not influenced by the dispersion of silicate layers in the elastomeric matrix. It was determined that bentonite and montmorillonite affect the melting transition of hard segments and the recrystallization process, which is very important for the processing and recycling of the prepared polyurethane hybrid materials. Polycarbonate-based polyurethane (PC-PU) nanostructured composites were obtained using a one-step technique, by the addition of 1 wt.% organically modified clays (either bentonite or montmorillonite). Only aliphatic components (polycarbonate diol, hexamethylene-diisocyanate and 1,4-butane diol) were used as reactants. The hard segment content of the obtained polyurethanes was 30 wt.%. Scanning electron microscopy (SEM) and Fourier transform infrared spectroscopy (FT-IR) were performed to investigate the morphology and hydrogen bonding formation in prepared elastomers. The influence of nanofiller addition on thermal properties of PC-PUs was studied using differential scanning calorimetry (DSC). The degree of phase separation of polyurethane nanocomposites was not influenced by the dispersion of silicate layers in the elastomeric matrix. It was determined that bentonite and montmorillonite affect the melting transition of hard segments and the recrystallization process, which is very important for the processing and recycling of the prepared polyurethane hybrid materials. (en)
Title	The influence of organoclays on the morphology, phase separation and thermal properties of polycarbonate-based polyurethane hybrid materials The influence of organoclays on the morphology, phase separation and thermal properties of polycarbonate-based polyurethane hybrid materials (en)
skos:prefLabel	The influence of organoclays on the morphology, phase separation and thermal properties of polycarbonate-based polyurethane hybrid materials The influence of organoclays on the morphology, phase separation and thermal properties of polycarbonate-based polyurethane hybrid materials (en)
skos:notation	RIV/61389013:_____/13:00394948!RIV14-GA0-61389013
http://linked.open...avai/riv/aktivita	I P
http://linked.open...avai/riv/aktivity	I, P(GAP108/10/0195)
http://linked.open...iv/cisloPeriodika	1
http://linked.open...vai/riv/dodaniDat	2014
http://linked.open...aciTvurceVysledku	Špírková, Milena
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	Ústav makromolekulární chemie AV ČR, v. v. i.
http://linked.open...dnocenehoVysledku	79861
http://linked.open...ai/riv/idVysledku	RIV/61389013:_____/13:00394948
http://linked.open...riv/jazykVysledku	eng - angličtina
http://linked.open.../riv/klicovaSlova	polycarbonate-based polyurethane; bentonite; montmorillonite (en)
http://linked.open.../riv/klicoveSlovo	bentonite polycarbonate-based polyurethane montmorillonite
http://linked.open...odStatuVydavatele	MK - Bývalá jugoslávská republika Makedonie
http://linked.open...ontrolniKodProRIV	[6390182F96EC]
http://linked.open...i/riv/nazevZdroje	Macedonian Journal of Chemistry and Chemical Engineering
http://linked.open...in/vavai/riv/obor	CD
http://linked.open...ichTvurcuVysledku	1 (xsd:int)
http://linked.open...cetTvurcuVysledku	6 (xsd:int)
http://linked.open...vavai/riv/projekt	Novel multicomponent polyurethanes – synthesis, characterization
http://linked.open...UplatneniVysledku	2013
http://linked.open...v/svazekPeriodika	32
http://linked.open...iv/tvurceVysledku	Špírková, Milena Budinski-Simendic, J. Pavličević, J. Janković, M. Sinadinović-Fišer, S. Govedarica, O.
http://linked.open...ain/vavai/riv/wos	000322149300012
issn	1857-5552
number of pages	11 (xsd:int)

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