POLYMERS WITH ANNEALED AND QUENCHED BRANCHINGS BELONG TO DIFFERENT UNIVERSALITY CLASSES

被引：45

作者：

GUTIN, AM ^{[1
]}

GROSBERG, AY ^{[1
]}

SHAKHNOVICH, EI ^{[1
]}

机构：

[1] HARVARD UNIV,DEPT CHEM,12 OXFORD ST,CAMBRIDGE,MA 02138

来源：

MACROMOLECULES | 1993年 / 26卷 / 06期

关键词：

D O I：

10.1021/ma00058a016

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 show with the help of simple Flory-type arguments that critical indices nu for the swelling of a branched polymer with a quenched system of branchings and with annealed branchings differ so that nu(qu) < nu(ann). This is due to the fact that the process of rearranging branchings accompanies swelling of the annealed polymer. This difference becomes drastic in some physical manifestations, e.g., behavior in capillaries. We also discuss briefly the behavior of annealed polymers in the regime of a semidilute solution.

引用

页码：1293 / 1295

页数：3

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