AGGREGATION OF SULFONATED POLY(P-PHENYLENE TEREPHTHALAMIDE) IN DILUTE-SOLUTIONS

被引：17

作者：

CHU, EY ^{[1
]}

XU, ZS ^{[1
]}

LEE, CJM ^{[1
]}

SEK, CKF ^{[1
]}

OKAMOTO, Y ^{[1
]}

PEARCE, EM ^{[1
]}

KWEI, TK ^{[1
]}

机构：

[1] POLYTECH INST NEW YORK,DEPT CHEM,333 JAY ST,BROOKLYN,NY 11201

来源：

JOURNAL OF POLYMER SCIENCE PART B-POLYMER PHYSICS | 1995年 / 33卷 / 01期

关键词：

RIGID POLYMER; SULFONATED POLY(P-PHENYLENE TEREPHTHALAMIDE); POLYMER AGGREGATION; SOLUTION VISCOSITY;

D O I：

10.1002/polb.1995.090330108

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 viscosities of dilute solutions of poly(p-phenylene terephthalamide), PPTS, in dimethylacetamide, water, and their mixtures were determined. The reduced viscosity plot in dimethylacetamide shows a negative slope. When the water content in the mixed solvent in 90% or higher, there is an upswing in the reduced viscosity values at concentrations below 0.1 g/dL. The latter behavior suggests a ''polyelectrolyte'' effect. However, an association model was found to be able to explain the viscosity behaviors in both solvents. (C) 1995 John Wiley & Sons, Inc.

引用

页码：71 / 75

页数：5

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