Počet záznamů: 1
The Self-Assembly of Copolymers with One Hydrophobic and One Polyelectrolyte Block in Aqueous Media: A Dissipative Particle Dynamics Study.
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SYSNO ASEP 0463018 Druh ASEP J - Článek v odborném periodiku Zařazení RIV J - Článek v odborném periodiku Poddruh J Článek ve WOS Název The Self-Assembly of Copolymers with One Hydrophobic and One Polyelectrolyte Block in Aqueous Media: A Dissipative Particle Dynamics Study. Tvůrce(i) Lísal, Martin (UCHP-M) RID, ORCID, SAI
Limpouchová, Z. (CZ)
Procházka, K. (CZ)Zdroj.dok. Physical Chemistry Chemical Physics. - : Royal Society of Chemistry - ISSN 1463-9076
Roč. 18, č. 24 (2016), s. 16127-16136Poč.str. 10 s. Jazyk dok. eng - angličtina Země vyd. GB - Velká Británie Klíč. slova amphiphilic diblock copolymers ; hybrid olymeric micelles ; simulations Vědní obor RIV CF - Fyzikální chemie a teoretická chemie CEP GA13-02938S GA ČR - Grantová agentura ČR Institucionální podpora UCHP-M - RVO:67985858 UT WOS 000381056500009 EID SCOPUS 84975229417 DOI 10.1039/c6cp00341a Anotace The reversible self-assembly of symmetrical block copolymers consisting of one hydrophobic block and one ionizable polyelectrolyte block of the same length has been studied in aqueous solutions by dissipative particle dynamics simulations. In addition to three standard dissipative particle dynamics forces (conservative soft repulsion, dissipative and stochastic forces), explicit interaction between smeared charges on ions and on ionized polymer beads described by the electrostatic potential with appropriately localized charges was taken into account. The self-assembly and properties of formed core-shell micelles were investigated as functions of the degree of ionization for systems differing in the hydrophobicity of the non-ionized polyelectrolyte block and in the compatibility of the polymer blocks. This study shows that micelles undergo massive dissociation with increasing degree of ionization. The simulation data compare well with the predictions of scaling theories for systems with soluble polyelectrolytes on a semiquantitative level and broaden the knowledge of systems in poor solvents. Pracoviště Ústav chemických procesů Kontakt Eva Jirsová, jirsova@icpf.cas.cz, Tel.: 220 390 227 Rok sběru 2017
Počet záznamů: 1