Effect of chain architecture on properties of self-assembled dendron brushes

被引：3
|
作者：
Zhulina, E. B. [1 ,2 ]
Leermakers, F. A. M. [3 ]
Borisov, O., V [1 ,2 ,4 ,5 ]
机构：
[1] Russian Acad Sci, Inst Macromol Cpds, St Petersburg, Russia
[2] St Petersburg Natl Univ Informat Technol Mech & O, St Petersburg 197101, Russia
[3] Phys Chem & Soft Matter, Dreijenpl 6, NL-6703 HB Wageningen, Netherlands
[4] Peter Great St Petersburg State Polytech Univ, St Petersburg 105251, Russia
[5] CNRS UPPA, UMR 5254, Inst Sci Analyt & Physicochim Environm & Mat, Pau, France
来源：
POLYMER | 2018年 / 144卷
基金：
俄罗斯科学基金会;
关键词：
Dendron brushes; Polymeric surfactants; Lubrication; POLYMER-BEARING SURFACES; FRICTIONAL FORCES; NANOCOMPOSITES; LUBRICATION; INTERCALATION; INTERFACE; RHEOLOGY; DYNAMICS; SHEAR; MODEL;
D O I：
10.1016/j.polymer.2018.03.066
中图分类号：
O63 [高分子化学（高聚物）];
学科分类号：
070305 ; 080501 ; 081704 ;
摘要：
We present self-consistent field theory targeted to describe the equilibrium structure of self-assembled solvent-free planar brushes formed by regularly branched polymeric 'surfactants' that adsorb 'head'-on from a polymer melt. By using numerical and analytical approaches we examine how the width of a melt-brush interpenetration zone depends on the surfactant architecture. We demonstrate that the macrocyclization of the surfactant molecules leads to the smallest brush-melt interpenetration compared to linear and starlike variants. Theoretical predictions are compared to results of computer simulations and experiments. (C) 2018 Elsevier Ltd. All rights reserved.
引用
收藏
页码：142 / 149
页数：8
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