Theory of friction between neutral polymer brushes

被引：12

作者：

Sokoloff, J. B. ^{[1
]}

机构：

[1] Northeastern Univ, Dept Phys, Boston, MA 02115 USA

[2] Northeastern Univ, Ctr Interdisciplinary Res Complex Syst, Boston, MA 02115 USA

来源：

MACROMOLECULES | 2007年 / 40卷 / 11期

关键词：

D O I：

10.1021/ma062875p

中图分类号：

O63 [高分子化学（高聚物）];

学科分类号：

070305 ; 080501 ; 081704 ;

摘要：

A type of static friction between two polymer brush coated surfaces resulting from fluctuations from mean-field theory is found, but with creeplike motion for forces below the force of static friction, which is much more rapid than the usual creep between solid surfaces in contact. At sufficiently light loads, it is shown that polymer brush coated surfaces can slide, with the load supported entirely by osmotic pressure, and thus exhibit no static friction and only extremely weak viscous kinetic friction.

引用

页码：4053 / 4058

页数：6

共 39 条

[1] ADSORPTION OF CHAIN MOLECULES WITH A POLAR HEAD A-SCALING DESCRIPTION [J].