About: Coalescence during annealing of quiescent immiscible polymer blends

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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)

Attributes	Values
rdf:type	skos:Concept http://linked.opendata.cz/ontology/domain/vavai/Vysledek
rdfs:seeAlso	http://www.e-polymers.org/journal/papers/bdimzoski_010311.pdf
Description	Coalescence during annealing of quiescent immiscible polymer blends, containing polypropylene matrix and different amount of ethylene-propylene copolymer (EPR) as dispersed phase, was studied. Comparison of experimental results with available coalescence theories revealed that changes in the phase structure after 20 min annealing can be precisely estimated using the approximate theory of coalescence induced by van der Waals forces and considering drainage of the matrix film between spherical droplets. All results evidenced growth of the EPR droplet size with the annealing time and temperature; increase in the content of dispersed phase contributed to higher growth rate of the dispersed phase, more pronounced at the coalescence origin. Anisometry of the EPR droplets and droplet shape relaxation were perceived, both interfering the course of coalescence. Enhanced elasticity of examined blends at low frequencies and positive deviation of the complex viscosity from the linear mixing rules was observed. Coalescence during annealing of quiescent immiscible polymer blends, containing polypropylene matrix and different amount of ethylene-propylene copolymer (EPR) as dispersed phase, was studied. Comparison of experimental results with available coalescence theories revealed that changes in the phase structure after 20 min annealing can be precisely estimated using the approximate theory of coalescence induced by van der Waals forces and considering drainage of the matrix film between spherical droplets. All results evidenced growth of the EPR droplet size with the annealing time and temperature; increase in the content of dispersed phase contributed to higher growth rate of the dispersed phase, more pronounced at the coalescence origin. Anisometry of the EPR droplets and droplet shape relaxation were perceived, both interfering the course of coalescence. Enhanced elasticity of examined blends at low frequencies and positive deviation of the complex viscosity from the linear mixing rules was observed. (en)
Title	Coalescence during annealing of quiescent immiscible polymer blends Coalescence during annealing of quiescent immiscible polymer blends (en)
skos:prefLabel	Coalescence during annealing of quiescent immiscible polymer blends Coalescence during annealing of quiescent immiscible polymer blends (en)
skos:notation	RIV/61389013:_____/11:00358512!RIV12-AV0-61389013
http://linked.open...avai/riv/aktivita	P Z
http://linked.open...avai/riv/aktivity	P(IAA200500903), Z(AV0Z40500505)
http://linked.open...iv/cisloPeriodika	011
http://linked.open...vai/riv/dodaniDat	2012
http://linked.open...aciTvurceVysledku	Mikešová, Jana Nevoralová, Martina Šlouf, Miroslav Fortelný, Ivan Michálková, Danuše Dimzoski, Bojan
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	190756
http://linked.open...ai/riv/idVysledku	RIV/61389013:_____/11:00358512
http://linked.open...riv/jazykVysledku	eng - angličtina
http://linked.open.../riv/klicovaSlova	coalescence; polymer blends; annealing (en)
http://linked.open.../riv/klicoveSlovo	annealing coalescence polymer blends
http://linked.open...odStatuVydavatele	US - Spojené státy americké
http://linked.open...ontrolniKodProRIV	[25ABAB195134]
http://linked.open...i/riv/nazevZdroje	E-Polymers
http://linked.open...in/vavai/riv/obor	BJ
http://linked.open...ichTvurcuVysledku	6 (xsd:int)
http://linked.open...cetTvurcuVysledku	6 (xsd:int)
http://linked.open...vavai/riv/projekt	The effects of coalescence and crystallization on the phase structure evolution at cooling of polymer blends
http://linked.open...UplatneniVysledku	2011
http://linked.open...v/svazekPeriodika	-
http://linked.open...iv/tvurceVysledku	Dimzoski, Bojan Fortelný, Ivan Michálková, Danuše Mikešová, Jana Nevoralová, Martina Šlouf, Miroslav
http://linked.open...ain/vavai/riv/wos	000288656300002
http://linked.open...n/vavai/riv/zamer	Progresivní makromolekulární materiály a supramolekulární systémy: syntéza a studium vlastností, jevů a možností využití pro speciální aplikace a moderní technologie
issn	1618-7229
number of pages	12 (xsd:int)

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