About: Coalescence in quiescent polymer blends with a high content of the dispersed phase

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rdf:type	skos:Concept http://linked.opendata.cz/ontology/domain/vavai/Vysledek
Description	Coalescence in molten quiescent polymer blends induced by van der Waals forces is studied theoretically. Interaction between a droplet and its nearest neighbor keeping spherical shape during drainage of the matrix trapped between them is considered. It is assumed that droplets having a time dependent radius R are randomly distributed in the blend through the whole course of the coalescence. Various approaches to calculation of the average time of coalescence, tc are compared. Calculated dependence of R on the time of coalescence, t, is compared with experimental results for polypropylene/ethylene–propylene rubber (PP/EPR) blends. Experimental results show decreasing slope of R3 vs. t dependence, especially for a higher content of dispersed EPR. Theories using average h0 or direct averaging of tc predict somewhat smaller rate of coalescence than that experimentally determined for PP/EPR blends. Reasons of these differences are discussed Coalescence in molten quiescent polymer blends induced by van der Waals forces is studied theoretically. Interaction between a droplet and its nearest neighbor keeping spherical shape during drainage of the matrix trapped between them is considered. It is assumed that droplets having a time dependent radius R are randomly distributed in the blend through the whole course of the coalescence. Various approaches to calculation of the average time of coalescence, tc are compared. Calculated dependence of R on the time of coalescence, t, is compared with experimental results for polypropylene/ethylene–propylene rubber (PP/EPR) blends. Experimental results show decreasing slope of R3 vs. t dependence, especially for a higher content of dispersed EPR. Theories using average h0 or direct averaging of tc predict somewhat smaller rate of coalescence than that experimentally determined for PP/EPR blends. Reasons of these differences are discussed (en)
Title	Coalescence in quiescent polymer blends with a high content of the dispersed phase Coalescence in quiescent polymer blends with a high content of the dispersed phase (en)
skos:prefLabel	Coalescence in quiescent polymer blends with a high content of the dispersed phase Coalescence in quiescent polymer blends with a high content of the dispersed phase (en)
skos:notation	RIV/61389013:_____/12:00377756!RIV13-AV0-61389013
http://linked.open...avai/predkladatel	Ústav makromolekulární chemie AV ČR, v. v. i.
http://linked.open...avai/riv/aktivita	P Z
http://linked.open...avai/riv/aktivity	P(IAA200500903), Z(AV0Z40500505)
http://linked.open...iv/cisloPeriodika	7
http://linked.open...vai/riv/dodaniDat	2013
http://linked.open...aciTvurceVysledku	Jůza, Josef Fortelný, Ivan 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	127573
http://linked.open...ai/riv/idVysledku	RIV/61389013:_____/12:00377756
http://linked.open...riv/jazykVysledku	eng - angličtina
http://linked.open.../riv/klicovaSlova	polymer blends; coalescence; molecular forces (en)
http://linked.open.../riv/klicoveSlovo	coalescence polymer blends molecular forces
http://linked.open...odStatuVydavatele	GB - Spojené království Velké Británie a Severního Irska
http://linked.open...ontrolniKodProRIV	[CC365D4859E6]
http://linked.open...i/riv/nazevZdroje	European Polymer Journal
http://linked.open...in/vavai/riv/obor	BJ
http://linked.open...ichTvurcuVysledku	3 (xsd:int)
http://linked.open...cetTvurcuVysledku	3 (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	2012
http://linked.open...v/svazekPeriodika	48
http://linked.open...iv/tvurceVysledku	Dimzoski, Bojan Fortelný, Ivan Jůza, Josef
http://linked.open...ain/vavai/riv/wos	000306681200010
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	0014-3057
number of pages	11 (xsd:int)
http://bibframe.org/vocab/doi	10.1016/j.eurpolymj.2012.04.017
is http://linked.open...avai/riv/vysledek of	Coalescence in quiescent polymer blends with a high content of the dispersed phase

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