Structure and properties of polydisperse polyelectrolyte brushes studied by self-consistent field theory

被引：19

作者：

Okrugin, Boris M. ^{[1
,2
]}

Richter, Ralf P. ^{[1
,3
,4
]}

Leermakers, Frans A. M. ^{[5
]}

Neelov, Igor M. ^{[7
]}

Borisov, Oleg, V ^{[6
,7
,8
]}

Zhulina, Ekaterina B. ^{[6
,7
]}

机构：

[1] CIC biomaGUNE, Biosurface Lab, Paseo Miramon 182, San Sebastian 20014, Spain

[2] St Petersburg State Univ, Dept Phys, St Petersburg 198904, Russia

[3] Univ Leeds, Fac Biol Sci, Fac Math & Phys Sci, Sch Phys & Astron, Leeds LS2 9JT, W Yorkshire, England

[4] Univ Leeds, Astbury Ctr Struct Mol Biol, Leeds LS2 9JT, W Yorkshire, England

[5] Wageningen Univ, Phys Chem & Soft Matter, NL-6703 NB Wageningen, Netherlands

[6] Russian Acad Sci, Inst Macromol Cpds, St Petersburg 199004, Russia

[7] St Petersburg Natl Univ Informat Technol Mech & O, St Petersburg 197101, Russia

[8] UMR 5254 CNRS UPPA, Inst Sci Analyt & Phys Chim Environm Mat, Pau, France

来源：

SOFT MATTER | 2018年 / 14卷 / 30期

基金：

俄罗斯基础研究基金会; 欧洲研究理事会;

关键词：

POLYMER BRUSH; GRAFTED POLYELECTROLYTES; PROJECTION DOMAINS; NF-M; NEUROFILAMENTS; CHAINS; LAYER; COPOLYMERS; NETWORKS; BEHAVIOR;

D O I：

10.1039/c8sm01138a

中图分类号：

O64 [物理化学（理论化学）、化学物理学];

学科分类号：

070304 ; 081704 ;

摘要：

Two complementary self-consistent field theoretical approaches are used to analyze the equilibrium structure of binary and ternary brushes of polyions with different degrees of polymerization. Stratification in binary brushes is predicted: the shorter chains are entirely embedded in the proximal sublayer depleted of end-points of longer chains while the peripheral sublayer contains exclusively terminal segments of longer chains. The boundary between sublayers is enriched with counterions that neutralize the residual charge of the proximal sublayer. These analytical predictions for binary brushes are confirmed and extended to ternary brushes using the numerical Scheutjens-Fleer approach.

引用

页码：6230 / 6242

页数：13

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