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

Result code in IS VaVaI

<a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F67985858%3A_____%2F07%3A00081961" target="_blank" >RIV/67985858:_____/07:00081961 - isvavai.cz</a>

Alternative codes found

RIV/44555601:13440/07:00003434

Result on the web

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DOI - Digital Object Identifier

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Result language

angličtina

Original language name

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

Original language 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 perpendicularphases 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.

Czech name

Uspořádání lamelární fáze diblokových kopolymerů vlivem střihu. Studie pomocí disipativní částicové dynamiky

Czech description

Článek se zabývá studií uspořádání symetrických diblokových kopolymerů pomocí disipativní částicové dynamiky v případě působení smyku.

Type

J_x - Unclassified - Peer-reviewed scientific article (Jimp, Jsc and Jost)

CEP classification

CF - Physical chemistry and theoretical chemistry

OECD FORD branch

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Project

Result was created during the realization of more than one project. More information in the Projects tab.

Continuities

P - Projekt vyzkumu a vyvoje financovany z verejnych zdroju (s odkazem do CEP)<br>Z - Vyzkumny zamer (s odkazem do CEZ)

Publication year

2007

Confidentiality

S - Úplné a pravdivé údaje o projektu nepodléhají ochraně podle zvláštních právních předpisů

Name of the periodical

Langmuir

ISSN

0743-7463

e-ISSN

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Volume of the periodical

23

Issue of the periodical within the volume

9

Country of publishing house

US - UNITED STATES

Number of pages

10

Pages from-to

4808-4818

UT code for WoS article

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EID of the result in the Scopus database

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