Structure of Adsorption Layers of Amphiphilic Copolymers on Inorganic or Organic Particle Surfaces

被引：37

作者：

Bulychev, Nikolay ^{[1
,2
]}

Dervaux, Bart ^{[3
]}

Dirnberger, Klaus ^{[1
]}

Zubov, Vitali ^{[4
]}

Du Prez, Filip E. ^{[3
]}

Eisenbach, Claus D. ^{[1
]}

机构：

[1] Univ Stuttgart, Inst Polymer Chem, D-70569 Stuttgart, Germany

[2] Russian Acad Sci, NS Kurnakov Gen & Inorgan Chem Inst, Moscow 119991, Russia

[3] Univ Ghent, Dept Organ Chem, Polymer Chem Res Grp, B-9000 Ghent, Belgium

[4] Lomonosov Moscow State Acad Fine Chem Technol, Moscow 117571, Russia

来源：

MACROMOLECULAR CHEMISTRY AND PHYSICS | 2010年 / 211卷 / 09期

关键词：

block and block-like copolymers; dispersions; electrokinetic sonic amplitude method; pigment surface modification; polymer gel layer; surfaces; SOLID-LIQUID INTERFACE; DILUTE SUSPENSION; DYNAMIC MOBILITY; POLYMER;

D O I：

10.1002/macp.200900429

中图分类号：

O63 [高分子化学（高聚物）];

学科分类号：

070305 ; 080501 ; 081704 ;

摘要：

The structure of adsorption layers of amphiphilic block and block-like copolymers of poly(isobornyl acrylate) and poly(acrylic acid) on the surface of hydrophilic titanium dioxide and hydrophobic copper phthalocyanine (CuPc) pigments in an aqueous studied by the electrokinetic sonic amplitude (ESA) method. The electroacoustic behaviour of the polyelectrolyte block copolymer-coated particles could be described in the context of the polymer gel layer theory. The polymer layer around the particles was found to be much thinner for CuPc as compared to the TiO2 substrate. This is attributed to differences in the adsorption mechanism and the composition of the adsorption layer normal to the substrate surface. Adsorption models were established that consider effects of the copolymer structure.

引用

页码：971 / 976

页数：6

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