About: Alignment of Lamellar Diblock Copolymer Phases under Shear: Insight from Dissipative Particle Dynamics Simulations

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rdf:type	skos:Concept http://linked.opendata.cz/ontology/domain/vavai/Vysledek
Description	Sheared self-assembled lamellar phases formed by symmetrical diblock copolymers are investigated through dissipative particle dynamics simulations. Our intent is to provide insight into the experimental observations that the lamellar phases adopt parallel alignment at low shear rates and perpendicular alignment at high shear rates and that it is possible to use shear to induce a transition from the parallel to perpendicular alignment. We consider the relative stability of the parallel and perpendicular phases by applying shear to lamellar structures initially aligned parallel and perpendicular to the shear direction, respectively.. At the high shear rates, the parallel lamellar phase first transforms into an unstable diagonal lamellar phase; and upon further increase of the shear rate, the parallel lamellar phase reorients into a perpendicular alignment. Sheared self-assembled lamellar phases formed by symmetrical diblock copolymers are investigated through dissipative particle dynamics simulations. Our intent is to provide insight into the experimental observations that the lamellar phases adopt parallel alignment at low shear rates and perpendicular alignment at high shear rates and that it is possible to use shear to induce a transition from the parallel to perpendicular alignment. We consider the relative stability of the parallel and perpendicular phases by applying shear to lamellar structures initially aligned parallel and perpendicular to the shear direction, respectively.. At the high shear rates, the parallel lamellar phase first transforms into an unstable diagonal lamellar phase; and upon further increase of the shear rate, the parallel lamellar phase reorients into a perpendicular alignment. (en) Článek se zabývá studií uspořádání symetrických diblokových kopolymerů pomocí disipativní částicové dynamiky v případě působení smyku. (cs)
Title	Alignment of Lamellar Diblock Copolymer Phases under Shear: Insight from Dissipative Particle Dynamics Simulations Uspořádání lamelární fáze diblokových kopolymerů vlivem střihu. Studie pomocí disipativní částicové dynamiky (cs) Alignment of Lamellar Diblock Copolymer Phases under Shear: Insight from Dissipative Particle Dynamics Simulations (en)
skos:prefLabel	Alignment of Lamellar Diblock Copolymer Phases under Shear: Insight from Dissipative Particle Dynamics Simulations Uspořádání lamelární fáze diblokových kopolymerů vlivem střihu. Studie pomocí disipativní částicové dynamiky (cs) Alignment of Lamellar Diblock Copolymer Phases under Shear: Insight from Dissipative Particle Dynamics Simulations (en)
skos:notation	RIV/67985858:_____/07:00081961!RIV07-AV0-67985858
http://linked.open.../vavai/riv/strany	4808;4818
http://linked.open...avai/riv/aktivita	P Z
http://linked.open...avai/riv/aktivity	P(1ET400720409), P(1ET400720507), P(GP203/03/P083), Z(AV0Z40720504)
http://linked.open...iv/cisloPeriodika	9
http://linked.open...vai/riv/dodaniDat	2007
http://linked.open...aciTvurceVysledku	Lísal, Martin
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 chemických procesů AV ČR, v. v. i.
http://linked.open...dnocenehoVysledku	409067
http://linked.open...ai/riv/idVysledku	RIV/67985858:_____/07:00081961
http://linked.open...riv/jazykVysledku	eng - angličtina
http://linked.open.../riv/klicovaSlova	shear; lamellar phase; diblock copolymer (en)
http://linked.open.../riv/klicoveSlovo	shear lamellar phase diblock copolymer
http://linked.open...odStatuVydavatele	US - Spojené státy americké
http://linked.open...ontrolniKodProRIV	[19EEF4C24375]
http://linked.open...i/riv/nazevZdroje	Langmuir
http://linked.open...in/vavai/riv/obor	CF
http://linked.open...ichTvurcuVysledku	1 (xsd:int)
http://linked.open...cetTvurcuVysledku	2 (xsd:int)
http://linked.open...vavai/riv/projekt	Applicationof advanced simulation methods for studying the structure, physico-chemical properties, and preparationof composites and nanomaterials Molecular simulations at extreme experimental conditions: Application of advanced methods to geochemistry Theory and molecular simulation of electric double-layer at solid-liquid interface
http://linked.open...UplatneniVysledku	2007
http://linked.open...v/svazekPeriodika	23
http://linked.open...iv/tvurceVysledku	Lísal, Martin Brennan, J. K.
http://linked.open...n/vavai/riv/zamer	Investigation of multiphase reacting systems for the design of processes important in synthesis and preparation of novel materials, in energy production and in environmental protection
issn	0743-7463
number of pages	10 (xsd:int)

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