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Statements

Subject Item
n2:RIV%2F61389013%3A_____%2F11%3A00358512%21RIV12-AV0-61389013
rdf:type
n4:Vysledek skos:Concept
rdfs:seeAlso
http://www.e-polymers.org/journal/papers/bdimzoski_010311.pdf
dcterms: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.
dcterms:title
Coalescence during annealing of quiescent immiscible polymer blends Coalescence during annealing of quiescent immiscible polymer blends
skos:prefLabel
Coalescence during annealing of quiescent immiscible polymer blends Coalescence during annealing of quiescent immiscible polymer blends
skos:notation
RIV/61389013:_____/11:00358512!RIV12-AV0-61389013
n4:predkladatel
n19:ico%3A61389013
n5:aktivita
n11:Z n11:P
n5:aktivity
P(IAA200500903), Z(AV0Z40500505)
n5:cisloPeriodika
011
n5:dodaniDat
n9:2012
n5:domaciTvurceVysledku
n12:3071103 n12:3918912 n12:5861802 Dimzoski, Bojan n12:4483456 n12:4252454
n5:druhVysledku
n15:J
n5:duvernostUdaju
n13:S
n5:entitaPredkladatele
n10:predkladatel
n5:idSjednocenehoVysledku
190756
n5:idVysledku
RIV/61389013:_____/11:00358512
n5:jazykVysledku
n17:eng
n5:klicovaSlova
coalescence; polymer blends; annealing
n5:klicoveSlovo
n14:polymer%20blends n14:coalescence n14:annealing
n5:kodStatuVydavatele
US - Spojené státy americké
n5:kontrolniKodProRIV
[25ABAB195134]
n5:nazevZdroje
E-Polymers
n5:obor
n18:BJ
n5:pocetDomacichTvurcuVysledku
6
n5:pocetTvurcuVysledku
6
n5:projekt
n20:IAA200500903
n5:rokUplatneniVysledku
n9:2011
n5:svazekPeriodika
-
n5:tvurceVysledku
Mikešová, Jana Dimzoski, Bojan Fortelný, Ivan Nevoralová, Martina Michálková, Danuše Šlouf, Miroslav
n5:wos
000288656300002
n5:zamer
n6:AV0Z40500505
s:issn
1618-7229
s:numberOfPages
12