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Statements

Subject Item
n2:RIV%2F60461373%3A22340%2F04%3A00011074%21RIV%2F2005%2FGA0%2F223405%2FN
rdf:type
n12:Vysledek skos:Concept
dcterms:description
We adopt the mathematical modeling of the morphogenesis of polyolefin particles as the tool for systematic understanding of various morphogenesis scenarios. The porous polymer macroparticle is assumed to consist of a large number of individual micro-elements (grains), i.e., catalyst fragments jacketed in the polymer layer. The rate of the growth of each particular grain depends on the local catalyst concentration and activity and on the local concentration of the monomer. The morphogenesis of polymer particle is governed by the binary and ternary visco-elastic interactions of individual growing micro-elements. These visco-elastic interactions are described by visco-elastic models, such as Maxwell or more general models. Various types of morphologies of polymer particles are obtained when different visco-elastic properties and/or different initial conditions are considered. Matematické modelování morfogeneze částic polyolefinů je využito jako nástroj systematického pochopení různých vývojů morfologie. Porézní částice polymeru je pro účely modelování diskretizována do velkého počtu mikro-elementů (zrn), tj. fragmentů katalyzátoru obklopených vrstvou polymeru. Rychlost růstu každého zrna závisí na lokální distribuci katalyzátoru a koncentraci monomeru. Morfogeneze částice polymeru je popsána binárními a ternárními visko-elastickými interakcemi jednotlivých rostoucích mikro-elementů. Různé typy morfologií částic polymeru jsou získány pokud uvažujeme různé visko-elastické vlastnosti a/nebo různé počáteční podmínky. We adopt the mathematical modeling of the morphogenesis of polyolefin particles as the tool for systematic understanding of various morphogenesis scenarios. The porous polymer macroparticle is assumed to consist of a large number of individual micro-elements (grains), i.e., catalyst fragments jacketed in the polymer layer. The rate of the growth of each particular grain depends on the local catalyst concentration and activity and on the local concentration of the monomer. The morphogenesis of polymer particle is governed by the binary and ternary visco-elastic interactions of individual growing micro-elements. These visco-elastic interactions are described by visco-elastic models, such as Maxwell or more general models. Various types of morphologies of polymer particles are obtained when different visco-elastic properties and/or different initial conditions are considered.
dcterms:title
Effect of the distribution of catalyst activity on the morphogenesis of polyolefin particles Vliv distribuce aktivity katalyzátoru na morfogenezi částic polyolefinů Effect of the distribution of catalyst activity on the morphogenesis of polyolefin particles
skos:prefLabel
Effect of the distribution of catalyst activity on the morphogenesis of polyolefin particles Effect of the distribution of catalyst activity on the morphogenesis of polyolefin particles Vliv distribuce aktivity katalyzátoru na morfogenezi částic polyolefinů
skos:notation
RIV/60461373:22340/04:00011074!RIV/2005/GA0/223405/N
n3:strany
P1.89 (1-10)
n3:aktivita
n6:P n6:Z
n3:aktivity
P(GA104/02/0325), Z(MSM 223400007)
n3:dodaniDat
n17:2005
n3:domaciTvurceVysledku
n14:3418847 n14:5230233
n3:druhVysledku
n11:D
n3:duvernostUdaju
n22:S
n3:entitaPredkladatele
n4:predkladatel
n3:idSjednocenehoVysledku
562063
n3:idVysledku
RIV/60461373:22340/04:00011074
n3:jazykVysledku
n16:eng
n3:klicovaSlova
morphology;polyolefin particles;evolution of morphology;visco-elasticity
n3:klicoveSlovo
n13:morphology n13:visco-elasticity n13:polyolefin%20particles n13:evolution%20of%20morphology
n3:kontrolniKodProRIV
[B592EB40C7D5]
n3:mistoKonaniAkce
Praha
n3:mistoVydani
Praha
n3:nazevZdroje
Proceedings 16th International Congress of Chemical and Process Engineering CHISA 2004
n3:obor
n21:CI
n3:pocetDomacichTvurcuVysledku
2
n3:pocetTvurcuVysledku
3
n3:projekt
n5:GA104%2F02%2F0325
n3:rokUplatneniVysledku
n17:2004
n3:tvurceVysledku
Kosek, Juraj Horáčková, Blanka Grof, Zdeněk
n3:typAkce
n19:WRD
n3:zahajeniAkce
2004-08-22+02:00
n3:zamer
n18:MSM%20223400007
s:numberOfPages
10
n10:hasPublisher
Ing. Jan Novosad, Procesní inženýrství
n20:isbn
80-86059-40-5
n9:organizacniJednotka
22340