Elasticity of comb copolymer cylindrical brushes

被引：126

作者：

Subbotin, A

Saariaho, M

Ikkala, O

ten Brinke, G

机构：

[1] Univ Groningen, Polymer Chem Lab, NL-9747 AG Groningen, Netherlands

[2] Univ Groningen, Ctr Mat Sci, NL-9747 AG Groningen, Netherlands

[3] Russian Acad Sci, Inst Petrochem Synthesis, Moscow 117912, Russia

[4] Helsinki Univ Technol, Phys Mat Lab, Dept Engn Phys & Math, FIN-02015 Espoo, Finland

来源：

MACROMOLECULES | 2000年 / 33卷 / 09期

关键词：

D O I：

10.1021/ma991031l

中图分类号：

O63 [高分子化学（高聚物）];

学科分类号：

070305 ; 080501 ; 081704 ;

摘要：

An analysis of the cylindical brush of an isolated comb copolymer molecule consisting of a semiflexible backbone and flexible side chains is presented. Using the Alexander-de Gennes approximation, we calculate the free energy of both straight and bent cylindrical brush and the brush persistence length lambda, and show that lambda scales as a function of the side chain length M as lambda proportional to M-2. The discrepancy between the asymptotic scaling behavior and recent computer simulation results is also discussed.

引用

页码：3447 / 3452

页数：6

共 27 条

[1] POLYMERS GRAFTED TO A CONVEX SURFACE [J].