About: Effect of an organoclay on the reaction-induced phase-separation in a dynamically asymmetric epoxy/PCL system

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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	The addition of layered silicates can significantly affect the phase behaviour of both immiscible thermoplastic blends and partially miscible thermoset systems that undergo reaction-induced phase separation (RIPS) during curing. This study focuses on the phase behaviour of polycaprolactone (PCL)/epoxy in the presence of organically modified montmorillonite (oMMT). Due to the high dynamic asymmetry caused by the differences in the molecular weights and viscosities of the PCL and the uncured epoxy, the critical point is localised at low PCL concentrations, as indicated by the pseudophase diagram. The addition of oMMT to the system led to the marked shift of the critical point towards higher concentrations of PCL, with an increase in the oMMT content occurring as a consequence of the preferential localisation of the clay in the epoxy phase, making this phase more dynamically slow. Significant changes in morphology, including phase inversion of the PCL/epoxy systems caused by the presence of oMMT, were recorded for PCL concentrations ranging from 10 to 30%. The addition of layered silicates can significantly affect the phase behaviour of both immiscible thermoplastic blends and partially miscible thermoset systems that undergo reaction-induced phase separation (RIPS) during curing. This study focuses on the phase behaviour of polycaprolactone (PCL)/epoxy in the presence of organically modified montmorillonite (oMMT). Due to the high dynamic asymmetry caused by the differences in the molecular weights and viscosities of the PCL and the uncured epoxy, the critical point is localised at low PCL concentrations, as indicated by the pseudophase diagram. The addition of oMMT to the system led to the marked shift of the critical point towards higher concentrations of PCL, with an increase in the oMMT content occurring as a consequence of the preferential localisation of the clay in the epoxy phase, making this phase more dynamically slow. Significant changes in morphology, including phase inversion of the PCL/epoxy systems caused by the presence of oMMT, were recorded for PCL concentrations ranging from 10 to 30%. (en)
Title	Effect of an organoclay on the reaction-induced phase-separation in a dynamically asymmetric epoxy/PCL system Effect of an organoclay on the reaction-induced phase-separation in a dynamically asymmetric epoxy/PCL system (en)
skos:prefLabel	Effect of an organoclay on the reaction-induced phase-separation in a dynamically asymmetric epoxy/PCL system Effect of an organoclay on the reaction-induced phase-separation in a dynamically asymmetric epoxy/PCL system (en)
skos:notation	RIV/61389013:_____/13:00397267!RIV14-GA0-61389013
http://linked.open...avai/predkladatel	Ústav makromolekulární chemie AV ČR, v. v. i.
http://linked.open...avai/riv/aktivita	I P
http://linked.open...avai/riv/aktivity	I, P(GA13-15255S), P(IAA200500904)
http://linked.open...iv/cisloPeriodika	12
http://linked.open...vai/riv/dodaniDat	2014
http://linked.open...aciTvurceVysledku	Dybal, Jiří Kelnar, Ivan Sikora, Antonín Kaprálková, Ludmila Rotrekl, Jakub
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	71363
http://linked.open...ai/riv/idVysledku	RIV/61389013:_____/13:00397267
http://linked.open...riv/jazykVysledku	eng - angličtina
http://linked.open.../riv/klicovaSlova	nanocomposites; epoxy; microstructure (en)
http://linked.open.../riv/klicoveSlovo	microstructure nanocomposites epoxy
http://linked.open...odStatuVydavatele	HU - Maďarsko
http://linked.open...ontrolniKodProRIV	[11A9AFCFFDA2]
http://linked.open...i/riv/nazevZdroje	EXPRESS POLYMER LETTERS
http://linked.open...in/vavai/riv/obor	JI
http://linked.open...ichTvurcuVysledku	5 (xsd:int)
http://linked.open...cetTvurcuVysledku	5 (xsd:int)
http://linked.open...vavai/riv/projekt	In situ polymer-polymer kompozity s cílenou aplikací nanoplniv různých geometrií Optimizing structure and properties of multiphase thermosets using self-assembled nanofiller-based inclusions
http://linked.open...UplatneniVysledku	2013
http://linked.open...v/svazekPeriodika	7
http://linked.open...iv/tvurceVysledku	Dybal, Jiří Sikora, Antonín Kelnar, Ivan Kaprálková, Ludmila Rotrekl, Jakub
http://linked.open...ain/vavai/riv/wos	000325285100007
issn	1788-618X
number of pages	8 (xsd:int)
http://bibframe.org/vocab/doi	10.3144/expresspolymlett.2013.99

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